diff options
136 files changed, 7164 insertions, 1122 deletions
diff --git a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt new file mode 100644 index 0000000..8968371 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt @@ -0,0 +1,35 @@ +Marvell Armada AP806 System Controller +====================================== + +The AP806 is one of the two core HW blocks of the Marvell Armada 7K/8K +SoCs. It contains a system controller, which provides a number +registers giving access to numerous features: clocks, pin-muxing and +many other SoC configuration items. This DT binding allows to describe +this system controller. + +The Device Tree node representing the AP806 system controller provides +a number of clocks: + + - 0: clock of CPU cluster 0 + - 1: clock of CPU cluster 1 + - 2: fixed PLL at 1200 Mhz + - 3: MSS clock, derived from the fixed PLL + +Required properties: + + - compatible: must be: + "marvell,ap806-system-controller", "syscon" + - reg: register area of the AP806 system controller + - #clock-cells: must be set to 1 + - clock-output-names: must be defined to: + "ap-cpu-cluster-0", "ap-cpu-cluster-1", "ap-fixed", "ap-mss" + +Example: + + syscon: system-controller@6f4000 { + compatible = "marvell,ap806-system-controller", "syscon"; + #clock-cells = <1>; + clock-output-names = "ap-cpu-cluster-0", "ap-cpu-cluster-1", + "ap-fixed", "ap-mss"; + reg = <0x6f4000 0x1000>; + }; diff --git a/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller0.txt b/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller0.txt new file mode 100644 index 0000000..30c5469 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller0.txt @@ -0,0 +1,83 @@ +Marvell Armada CP110 System Controller 0 +======================================== + +The CP110 is one of the two core HW blocks of the Marvell Armada 7K/8K +SoCs. It contains two sets of system control registers, System +Controller 0 and System Controller 1. This Device Tree binding allows +to describe the first system controller, which provides registers to +configure various aspects of the SoC. + +The Device Tree node representing this System Controller 0 provides a +number of clocks: + + - a set of core clocks + - a set of gatable clocks + +Those clocks can be referenced by other Device Tree nodes using two +cells: + - The first cell must be 0 or 1. 0 for the core clocks and 1 for the + gatable clocks. + - The second cell identifies the particular core clock or gatable + clocks. + +The following clocks are available: + - Core clocks + - 0 0 APLL + - 0 1 PPv2 core + - 0 2 EIP + - 0 3 Core + - 0 4 NAND core + - Gatable clocks + - 1 0 Audio + - 1 1 Comm Unit + - 1 2 NAND + - 1 3 PPv2 + - 1 4 SDIO + - 1 5 MG Domain + - 1 6 MG Core + - 1 7 XOR1 + - 1 8 XOR0 + - 1 9 GOP DP + - 1 11 PCIe x1 0 + - 1 12 PCIe x1 1 + - 1 13 PCIe x4 + - 1 14 PCIe / XOR + - 1 15 SATA + - 1 16 SATA USB + - 1 17 Main + - 1 18 SD/MMC + - 1 21 Slow IO (SPI, NOR, BootROM, I2C, UART) + - 1 22 USB3H0 + - 1 23 USB3H1 + - 1 24 USB3 Device + - 1 25 EIP150 + - 1 26 EIP197 + +Required properties: + + - compatible: must be: + "marvell,cp110-system-controller0", "syscon"; + - reg: register area of the CP110 system controller 0 + - #clock-cells: must be set to 2 + - core-clock-output-names must be set to: + "cpm-apll", "cpm-ppv2-core", "cpm-eip", "cpm-core", "cpm-nand-core" + - gate-clock-output-names must be set to: + "cpm-audio", "cpm-communit", "cpm-nand", "cpm-ppv2", "cpm-sdio", + "cpm-mg-domain", "cpm-mg-core", "cpm-xor1", "cpm-xor0", "cpm-gop-dp", "none", + "cpm-pcie_x10", "cpm-pcie_x11", "cpm-pcie_x4", "cpm-pcie-xor", "cpm-sata", + "cpm-sata-usb", "cpm-main", "cpm-sd-mmc", "none", "none", "cpm-slow-io", + "cpm-usb3h0", "cpm-usb3h1", "cpm-usb3dev", "cpm-eip150", "cpm-eip197"; + +Example: + + cpm_syscon0: system-controller@440000 { + compatible = "marvell,cp110-system-controller0", "syscon"; + reg = <0x440000 0x1000>; + #clock-cells = <2>; + core-clock-output-names = "cpm-apll", "cpm-ppv2-core", "cpm-eip", "cpm-core", "cpm-nand-core"; + gate-clock-output-names = "cpm-audio", "cpm-communit", "cpm-nand", "cpm-ppv2", "cpm-sdio", + "cpm-mg-domain", "cpm-mg-core", "cpm-xor1", "cpm-xor0", "cpm-gop-dp", "none", + "cpm-pcie_x10", "cpm-pcie_x11", "cpm-pcie_x4", "cpm-pcie-xor", "cpm-sata", + "cpm-sata-usb", "cpm-main", "cpm-sd-mmc", "none", "none", "cpm-slow-io", + "cpm-usb3h0", "cpm-usb3h1", "cpm-usb3dev", "cpm-eip150", "cpm-eip197"; + }; diff --git a/Documentation/devicetree/bindings/clock/artpec6.txt b/Documentation/devicetree/bindings/clock/artpec6.txt new file mode 100644 index 0000000..dff9cdf --- /dev/null +++ b/Documentation/devicetree/bindings/clock/artpec6.txt @@ -0,0 +1,41 @@ +* Clock bindings for Axis ARTPEC-6 chip + +The bindings are based on the clock provider binding in +Documentation/devicetree/bindings/clock/clock-bindings.txt + +External clocks: +---------------- + +There are two external inputs to the main clock controller which should be +provided using the common clock bindings. +- "sys_refclk": External 50 Mhz oscillator (required) +- "i2s_refclk": Alternate audio reference clock (optional). + +Main clock controller +--------------------- + +Required properties: +- #clock-cells: Should be <1> + See dt-bindings/clock/axis,artpec6-clkctrl.h for the list of valid identifiers. +- compatible: Should be "axis,artpec6-clkctrl" +- reg: Must contain the base address and length of the system controller +- clocks: Must contain a phandle entry for each clock in clock-names +- clock-names: Must include the external oscillator ("sys_refclk"). Optional + ones are the audio reference clock ("i2s_refclk") and the audio fractional + dividers ("frac_clk0" and "frac_clk1"). + +Examples: + +ext_clk: ext_clk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <50000000>; +}; + +clkctrl: clkctrl@f8000000 { + #clock-cells = <1>; + compatible = "axis,artpec6-clkctrl"; + reg = <0xf8000000 0x48>; + clocks = <&ext_clk>; + clock-names = "sys_refclk"; +}; diff --git a/Documentation/devicetree/bindings/clock/axs10x-i2s-pll-clock.txt b/Documentation/devicetree/bindings/clock/axs10x-i2s-pll-clock.txt new file mode 100644 index 0000000..5ffc8df --- /dev/null +++ b/Documentation/devicetree/bindings/clock/axs10x-i2s-pll-clock.txt @@ -0,0 +1,25 @@ +Binding for the AXS10X I2S PLL clock + +This binding uses the common clock binding[1]. + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt + +Required properties: +- compatible: shall be "snps,axs10x-i2s-pll-clock" +- reg : address and length of the I2S PLL register set. +- clocks: shall be the input parent clock phandle for the PLL. +- #clock-cells: from common clock binding; Should always be set to 0. + +Example: + pll_clock: pll_clock { + compatible = "fixed-clock"; + clock-frequency = <27000000>; + #clock-cells = <0>; + }; + + i2s_clock@100a0 { + compatible = "snps,axs10x-i2s-pll-clock"; + reg = <0x100a0 0x10>; + clocks = <&pll_clock>; + #clock-cells = <0>; + }; diff --git a/Documentation/devicetree/bindings/clock/hi3519-crg.txt b/Documentation/devicetree/bindings/clock/hi3519-crg.txt new file mode 100644 index 0000000..acd1f23 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/hi3519-crg.txt @@ -0,0 +1,46 @@ +* Hisilicon Hi3519 Clock and Reset Generator(CRG) + +The Hi3519 CRG module provides clock and reset signals to various +controllers within the SoC. + +This binding uses the following bindings: + Documentation/devicetree/bindings/clock/clock-bindings.txt + Documentation/devicetree/bindings/reset/reset.txt + +Required Properties: + +- compatible: should be one of the following. + - "hisilicon,hi3519-crg" - controller compatible with Hi3519 SoC. + +- reg: physical base address of the controller and length of memory mapped + region. + +- #clock-cells: should be 1. + +Each clock is assigned an identifier and client nodes use this identifier +to specify the clock which they consume. + +All these identifier could be found in <dt-bindings/clock/hi3519-clock.h>. + +- #reset-cells: should be 2. + +A reset signal can be controlled by writing a bit register in the CRG module. +The reset specifier consists of two cells. The first cell represents the +register offset relative to the base address. The second cell represents the +bit index in the register. + +Example: CRG nodes +CRG: clock-reset-controller@12010000 { + compatible = "hisilicon,hi3519-crg"; + reg = <0x12010000 0x10000>; + #clock-cells = <1>; + #reset-cells = <2>; +}; + +Example: consumer nodes +i2c0: i2c@12110000 { + compatible = "hisilicon,hi3519-i2c"; + reg = <0x12110000 0x1000>; + clocks = <&CRG HI3519_I2C0_RST>; + resets = <&CRG 0xe4 0>; +}; diff --git a/Documentation/devicetree/bindings/clock/imx35-clock.txt b/Documentation/devicetree/bindings/clock/imx35-clock.txt index a703564..f497832 100644 --- a/Documentation/devicetree/bindings/clock/imx35-clock.txt +++ b/Documentation/devicetree/bindings/clock/imx35-clock.txt @@ -94,6 +94,7 @@ clocks and IDs. csi_sel 79 iim_gate 80 gpu2d_gate 81 + ckli_gate 82 Examples: diff --git a/Documentation/devicetree/bindings/clock/oxnas,stdclk.txt b/Documentation/devicetree/bindings/clock/oxnas,stdclk.txt new file mode 100644 index 0000000..208cca6 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/oxnas,stdclk.txt @@ -0,0 +1,35 @@ +Oxford Semiconductor OXNAS SoC Family Standard Clocks +================================================ + +Please also refer to clock-bindings.txt in this directory for common clock +bindings usage. + +Required properties: +- compatible: Should be "oxsemi,ox810se-stdclk" +- #clock-cells: 1, see below + +Parent node should have the following properties : +- compatible: Should be "oxsemi,ox810se-sys-ctrl", "syscon", "simple-mfd" + +For OX810SE, the clock indices are : + - 0: LEON + - 1: DMA_SGDMA + - 2: CIPHER + - 3: SATA + - 4: AUDIO + - 5: USBMPH + - 6: ETHA + - 7: PCIA + - 8: NAND + +example: + +sys: sys-ctrl@000000 { + compatible = "oxsemi,ox810se-sys-ctrl", "syscon", "simple-mfd"; + reg = <0x000000 0x100000>; + + stdclk: stdclk { + compatible = "oxsemi,ox810se-stdclk"; + #clock-cells = <1>; + }; +}; diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.txt b/Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.txt new file mode 100644 index 0000000..3888dd3 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/rockchip,rk3399-cru.txt @@ -0,0 +1,62 @@ +* Rockchip RK3399 Clock and Reset Unit + +The RK3399 clock controller generates and supplies clock to various +controllers within the SoC and also implements a reset controller for SoC +peripherals. + +Required Properties: + +- compatible: PMU for CRU should be "rockchip,rk3399-pmucru" +- compatible: CRU should be "rockchip,rk3399-cru" +- reg: physical base address of the controller and length of memory mapped + region. +- #clock-cells: should be 1. +- #reset-cells: should be 1. + +Each clock is assigned an identifier and client nodes can use this identifier +to specify the clock which they consume. All available clocks are defined as +preprocessor macros in the dt-bindings/clock/rk3399-cru.h headers and can be +used in device tree sources. Similar macros exist for the reset sources in +these files. + +External clocks: + +There are several clocks that are generated outside the SoC. It is expected +that they are defined using standard clock bindings with following +clock-output-names: + - "xin24m" - crystal input - required, + - "xin32k" - rtc clock - optional, + - "clkin_gmac" - external GMAC clock - optional, + - "clkin_i2s" - external I2S clock - optional, + - "pclkin_cif" - external ISP clock - optional, + - "clk_usbphy0_480m" - output clock of the pll in the usbphy0 + - "clk_usbphy1_480m" - output clock of the pll in the usbphy1 + +Example: Clock controller node: + + pmucru: pmu-clock-controller@ff750000 { + compatible = "rockchip,rk3399-pmucru"; + reg = <0x0 0xff750000 0x0 0x1000>; + #clock-cells = <1>; + #reset-cells = <1>; + }; + + cru: clock-controller@ff760000 { + compatible = "rockchip,rk3399-cru"; + reg = <0x0 0xff760000 0x0 0x1000>; + #clock-cells = <1>; + #reset-cells = <1>; + }; + +Example: UART controller node that consumes the clock generated by the clock + controller: + + uart0: serial@ff1a0000 { + compatible = "rockchip,rk3399-uart", "snps,dw-apb-uart"; + reg = <0x0 0xff180000 0x0 0x100>; + clocks = <&cru SCLK_UART0>, <&cru PCLK_UART0>; + clock-names = "baudclk", "apb_pclk"; + interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + reg-io-width = <4>; + }; diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt index 834436f..8f7619d 100644 --- a/Documentation/devicetree/bindings/clock/sunxi.txt +++ b/Documentation/devicetree/bindings/clock/sunxi.txt @@ -10,6 +10,7 @@ Required properties: "allwinner,sun4i-a10-pll1-clk" - for the main PLL clock and PLL4 "allwinner,sun6i-a31-pll1-clk" - for the main PLL clock on A31 "allwinner,sun8i-a23-pll1-clk" - for the main PLL clock on A23 + "allwinner,sun4i-a10-pll3-clk" - for the video PLL clock on A10 "allwinner,sun9i-a80-pll4-clk" - for the peripheral PLLs on A80 "allwinner,sun4i-a10-pll5-clk" - for the PLL5 clock "allwinner,sun4i-a10-pll6-clk" - for the PLL6 clock @@ -63,7 +64,9 @@ Required properties: "allwinner,sun8i-a83t-bus-gates-clk" - for the bus gates on A83T "allwinner,sun8i-h3-bus-gates-clk" - for the bus gates on H3 "allwinner,sun9i-a80-apbs-gates-clk" - for the APBS gates on A80 + "allwinner,sun4i-a10-display-clk" - for the display clocks on the A10 "allwinner,sun4i-a10-dram-gates-clk" - for the DRAM gates on A10 + "allwinner,sun5i-a13-dram-gates-clk" - for the DRAM gates on A13 "allwinner,sun5i-a13-mbus-clk" - for the MBUS clock on A13 "allwinner,sun4i-a10-mmc-clk" - for the MMC clock "allwinner,sun9i-a80-mmc-clk" - for mmc module clocks on A80 @@ -73,6 +76,8 @@ Required properties: "allwinner,sun8i-a23-mbus-clk" - for the MBUS clock on A23 "allwinner,sun7i-a20-out-clk" - for the external output clocks "allwinner,sun7i-a20-gmac-clk" - for the GMAC clock module on A20/A31 + "allwinner,sun4i-a10-tcon-ch0-clk" - for the TCON channel 0 clock on the A10 + "allwinner,sun4i-a10-tcon-ch1-clk" - for the TCON channel 1 clock on the A10 "allwinner,sun4i-a10-usb-clk" - for usb gates + resets on A10 / A20 "allwinner,sun5i-a13-usb-clk" - for usb gates + resets on A13 "allwinner,sun6i-a31-usb-clk" - for usb gates + resets on A31 @@ -81,6 +86,7 @@ Required properties: "allwinner,sun9i-a80-usb-mod-clk" - for usb gates + resets on A80 "allwinner,sun9i-a80-usb-phy-clk" - for usb phy gates + resets on A80 "allwinner,sun4i-a10-ve-clk" - for the Video Engine clock + "allwinner,sun6i-a31-display-clk" - for the display clocks Required properties for all clocks: - reg : shall be the control register address for the clock. diff --git a/Documentation/driver-model/devres.txt b/Documentation/driver-model/devres.txt index 6c4478c..76a6c0a 100644 --- a/Documentation/driver-model/devres.txt +++ b/Documentation/driver-model/devres.txt @@ -236,6 +236,7 @@ certainly invest a bit more effort into libata core layer). CLOCK devm_clk_get() devm_clk_put() + devm_clk_hw_register() DMA dmam_alloc_coherent() diff --git a/MAINTAINERS b/MAINTAINERS index 2f66ca7..e840831 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -977,7 +977,7 @@ S: Maintained L: linux-arm-kernel@axis.com F: arch/arm/mach-artpec F: arch/arm/boot/dts/artpec6* -F: drivers/clk/clk-artpec6.c +F: drivers/clk/axis ARM/ASPEED MACHINE SUPPORT M: Joel Stanley <joel@jms.id.au> diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 90518cd..53ddba2 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -200,6 +200,12 @@ config COMMON_CLK_PXA config COMMON_CLK_PIC32 def_bool COMMON_CLK && MACH_PIC32 +config COMMON_CLK_OXNAS + bool "Clock driver for the OXNAS SoC Family" + select MFD_SYSCON + ---help--- + Support for the OXNAS SoC Family clocks. + source "drivers/clk/bcm/Kconfig" source "drivers/clk/hisilicon/Kconfig" source "drivers/clk/mvebu/Kconfig" diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index 18e64bb..dcc5e69 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -33,6 +33,7 @@ obj-$(CONFIG_ARCH_MB86S7X) += clk-mb86s7x.o obj-$(CONFIG_ARCH_MOXART) += clk-moxart.o obj-$(CONFIG_ARCH_NOMADIK) += clk-nomadik.o obj-$(CONFIG_ARCH_NSPIRE) += clk-nspire.o +obj-$(CONFIG_COMMON_CLK_OXNAS) += clk-oxnas.o obj-$(CONFIG_COMMON_CLK_PALMAS) += clk-palmas.o obj-$(CONFIG_CLK_QORIQ) += clk-qoriq.o obj-$(CONFIG_COMMON_CLK_RK808) += clk-rk808.o @@ -51,6 +52,7 @@ obj-$(CONFIG_COMMON_CLK_WM831X) += clk-wm831x.o obj-$(CONFIG_COMMON_CLK_XGENE) += clk-xgene.o obj-$(CONFIG_COMMON_CLK_PWM) += clk-pwm.o obj-$(CONFIG_COMMON_CLK_AT91) += at91/ +obj-$(CONFIG_ARCH_ARTPEC) += axis/ obj-y += bcm/ obj-$(CONFIG_ARCH_BERLIN) += berlin/ obj-$(CONFIG_ARCH_HISI) += hisilicon/ @@ -62,7 +64,7 @@ obj-$(CONFIG_MACH_PIC32) += microchip/ ifeq ($(CONFIG_COMMON_CLK), y) obj-$(CONFIG_ARCH_MMP) += mmp/ endif -obj-$(CONFIG_PLAT_ORION) += mvebu/ +obj-y += mvebu/ obj-$(CONFIG_ARCH_MESON) += meson/ obj-$(CONFIG_ARCH_MXS) += mxs/ obj-$(CONFIG_MACH_PISTACHIO) += pistachio/ @@ -85,3 +87,4 @@ obj-$(CONFIG_X86) += x86/ obj-$(CONFIG_ARCH_ZX) += zte/ obj-$(CONFIG_ARCH_ZYNQ) += zynq/ obj-$(CONFIG_H8300) += h8300/ +obj-$(CONFIG_ARC_PLAT_AXS10X) += axs10x/ diff --git a/drivers/clk/at91/clk-h32mx.c b/drivers/clk/at91/clk-h32mx.c index 819f584..8e20c8a 100644 --- a/drivers/clk/at91/clk-h32mx.c +++ b/drivers/clk/at91/clk-h32mx.c @@ -114,7 +114,7 @@ static void __init of_sama5d4_clk_h32mx_setup(struct device_node *np) h32mxclk->regmap = regmap; clk = clk_register(NULL, &h32mxclk->hw); - if (!clk) { + if (IS_ERR(clk)) { kfree(h32mxclk); return; } diff --git a/drivers/clk/axis/Makefile b/drivers/clk/axis/Makefile new file mode 100644 index 0000000..628c9d3 --- /dev/null +++ b/drivers/clk/axis/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_MACH_ARTPEC6) += clk-artpec6.o diff --git a/drivers/clk/axis/clk-artpec6.c b/drivers/clk/axis/clk-artpec6.c new file mode 100644 index 0000000..ffc988b --- /dev/null +++ b/drivers/clk/axis/clk-artpec6.c @@ -0,0 +1,242 @@ +/* + * ARTPEC-6 clock initialization + * + * Copyright 2015-2016 Axis Comunications AB. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <dt-bindings/clock/axis,artpec6-clkctrl.h> + +#define NUM_I2S_CLOCKS 2 + +struct artpec6_clkctrl_drvdata { + struct clk *clk_table[ARTPEC6_CLK_NUMCLOCKS]; + void __iomem *syscon_base; + struct clk_onecell_data clk_data; + spinlock_t i2scfg_lock; +}; + +static struct artpec6_clkctrl_drvdata *clkdata; + +static const char *const i2s_clk_names[NUM_I2S_CLOCKS] = { + "i2s0", + "i2s1", +}; + +static const int i2s_clk_indexes[NUM_I2S_CLOCKS] = { + ARTPEC6_CLK_I2S0_CLK, + ARTPEC6_CLK_I2S1_CLK, +}; + +static void of_artpec6_clkctrl_setup(struct device_node *np) +{ + int i; + const char *sys_refclk_name; + u32 pll_mode, pll_m, pll_n; + struct clk **clks; + + /* Mandatory parent clock. */ + i = of_property_match_string(np, "clock-names", "sys_refclk"); + if (i < 0) + return; + + sys_refclk_name = of_clk_get_parent_name(np, i); + + clkdata = kzalloc(sizeof(*clkdata), GFP_KERNEL); + if (!clkdata) + return; + + clks = clkdata->clk_table; + + for (i = 0; i < ARTPEC6_CLK_NUMCLOCKS; ++i) + clks[i] = ERR_PTR(-EPROBE_DEFER); + + clkdata->syscon_base = of_iomap(np, 0); + BUG_ON(clkdata->syscon_base == NULL); + + /* Read PLL1 factors configured by boot strap pins. */ + pll_mode = (readl(clkdata->syscon_base) >> 6) & 3; + switch (pll_mode) { + case 0: /* DDR3-2133 mode */ + pll_m = 4; + pll_n = 85; + break; + case 1: /* DDR3-1866 mode */ + pll_m = 6; + pll_n = 112; + break; + case 2: /* DDR3-1600 mode */ + pll_m = 4; + pll_n = 64; + break; + case 3: /* DDR3-1333 mode */ + pll_m = 8; + pll_n = 106; + break; + } + + clks[ARTPEC6_CLK_CPU] = + clk_register_fixed_factor(NULL, "cpu", sys_refclk_name, 0, pll_n, + pll_m); + clks[ARTPEC6_CLK_CPU_PERIPH] = + clk_register_fixed_factor(NULL, "cpu_periph", "cpu", 0, 1, 2); + + /* EPROBE_DEFER on the apb_clock is not handled in amba devices. */ + clks[ARTPEC6_CLK_UART_PCLK] = + clk_register_fixed_factor(NULL, "uart_pclk", "cpu", 0, 1, 8); + clks[ARTPEC6_CLK_UART_REFCLK] = + clk_register_fixed_rate(NULL, "uart_ref", sys_refclk_name, 0, + 50000000); + + clks[ARTPEC6_CLK_SPI_PCLK] = + clk_register_fixed_factor(NULL, "spi_pclk", "cpu", 0, 1, 8); + clks[ARTPEC6_CLK_SPI_SSPCLK] = + clk_register_fixed_rate(NULL, "spi_sspclk", sys_refclk_name, 0, + 50000000); + + clks[ARTPEC6_CLK_DBG_PCLK] = + clk_register_fixed_factor(NULL, "dbg_pclk", "cpu", 0, 1, 8); + + clkdata->clk_data.clks = clkdata->clk_table; + clkdata->clk_data.clk_num = ARTPEC6_CLK_NUMCLOCKS; + + of_clk_add_provider(np, of_clk_src_onecell_get, &clkdata->clk_data); +} + +CLK_OF_DECLARE(artpec6_clkctrl, "axis,artpec6-clkctrl", + of_artpec6_clkctrl_setup); + +static int artpec6_clkctrl_probe(struct platform_device *pdev) +{ + int propidx; + struct device_node *np = pdev->dev.of_node; + struct device *dev = &pdev->dev; + struct clk **clks = clkdata->clk_table; + const char *sys_refclk_name; + const char *i2s_refclk_name = NULL; + const char *frac_clk_name[2] = { NULL, NULL }; + const char *i2s_mux_parents[2]; + u32 muxreg; + int i; + int err = 0; + + /* Mandatory parent clock. */ + propidx = of_property_match_string(np, "clock-names", "sys_refclk"); + if (propidx < 0) + return -EINVAL; + + sys_refclk_name = of_clk_get_parent_name(np, propidx); + + /* Find clock names of optional parent clocks. */ + propidx = of_property_match_string(np, "clock-names", "i2s_refclk"); + if (propidx >= 0) + i2s_refclk_name = of_clk_get_parent_name(np, propidx); + + propidx = of_property_match_string(np, "clock-names", "frac_clk0"); + if (propidx >= 0) + frac_clk_name[0] = of_clk_get_parent_name(np, propidx); + propidx = of_property_match_string(np, "clock-names", "frac_clk1"); + if (propidx >= 0) + frac_clk_name[1] = of_clk_get_parent_name(np, propidx); + + spin_lock_init(&clkdata->i2scfg_lock); + + clks[ARTPEC6_CLK_NAND_CLKA] = + clk_register_fixed_factor(dev, "nand_clka", "cpu", 0, 1, 8); + clks[ARTPEC6_CLK_NAND_CLKB] = + clk_register_fixed_rate(dev, "nand_clkb", sys_refclk_name, 0, + 100000000); + clks[ARTPEC6_CLK_ETH_ACLK] = + clk_register_fixed_factor(dev, "eth_aclk", "cpu", 0, 1, 4); + clks[ARTPEC6_CLK_DMA_ACLK] = + clk_register_fixed_factor(dev, "dma_aclk", "cpu", 0, 1, 4); + clks[ARTPEC6_CLK_PTP_REF] = + clk_register_fixed_rate(dev, "ptp_ref", sys_refclk_name, 0, + 100000000); + clks[ARTPEC6_CLK_SD_PCLK] = + clk_register_fixed_rate(dev, "sd_pclk", sys_refclk_name, 0, + 100000000); + clks[ARTPEC6_CLK_SD_IMCLK] = + clk_register_fixed_rate(dev, "sd_imclk", sys_refclk_name, 0, + 100000000); + clks[ARTPEC6_CLK_I2S_HST] = + clk_register_fixed_factor(dev, "i2s_hst", "cpu", 0, 1, 8); + + for (i = 0; i < NUM_I2S_CLOCKS; ++i) { + if (i2s_refclk_name && frac_clk_name[i]) { + i2s_mux_parents[0] = frac_clk_name[i]; + i2s_mux_parents[1] = i2s_refclk_name; + + clks[i2s_clk_indexes[i]] = + clk_register_mux(dev, i2s_clk_names[i], + i2s_mux_parents, 2, + CLK_SET_RATE_NO_REPARENT | + CLK_SET_RATE_PARENT, + clkdata->syscon_base + 0x14, i, 1, + 0, &clkdata->i2scfg_lock); + } else if (frac_clk_name[i]) { + /* Lock the mux for internal clock reference. */ + muxreg = readl(clkdata->syscon_base + 0x14); + muxreg &= ~BIT(i); + writel(muxreg, clkdata->syscon_base + 0x14); + clks[i2s_clk_indexes[i]] = + clk_register_fixed_factor(dev, i2s_clk_names[i], + frac_clk_name[i], 0, 1, + 1); + } else if (i2s_refclk_name) { + /* Lock the mux for external clock reference. */ + muxreg = readl(clkdata->syscon_base + 0x14); + muxreg |= BIT(i); + writel(muxreg, clkdata->syscon_base + 0x14); + clks[i2s_clk_indexes[i]] = + clk_register_fixed_factor(dev, i2s_clk_names[i], + i2s_refclk_name, 0, 1, 1); + } + } + + clks[ARTPEC6_CLK_I2C] = + clk_register_fixed_rate(dev, "i2c", sys_refclk_name, 0, 100000000); + + clks[ARTPEC6_CLK_SYS_TIMER] = + clk_register_fixed_rate(dev, "timer", sys_refclk_name, 0, + 100000000); + clks[ARTPEC6_CLK_FRACDIV_IN] = + clk_register_fixed_rate(dev, "fracdiv_in", sys_refclk_name, 0, + 600000000); + + for (i = 0; i < ARTPEC6_CLK_NUMCLOCKS; ++i) { + if (IS_ERR(clks[i]) && PTR_ERR(clks[i]) != -EPROBE_DEFER) { + dev_err(dev, + "Failed to register clock at index %d err=%ld\n", + i, PTR_ERR(clks[i])); + err = PTR_ERR(clks[i]); + } + } + + return err; +} + +static const struct of_device_id artpec_clkctrl_of_match[] = { + { .compatible = "axis,artpec6-clkctrl" }, + {} +}; + +static struct platform_driver artpec6_clkctrl_driver = { + .probe = artpec6_clkctrl_probe, + .driver = { + .name = "artpec6_clkctrl", + .of_match_table = artpec_clkctrl_of_match, + }, +}; + +builtin_platform_driver(artpec6_clkctrl_driver); diff --git a/drivers/clk/axs10x/Makefile b/drivers/clk/axs10x/Makefile new file mode 100644 index 0000000..01996b8 --- /dev/null +++ b/drivers/clk/axs10x/Makefile @@ -0,0 +1 @@ +obj-y += i2s_pll_clock.o diff --git a/drivers/clk/axs10x/i2s_pll_clock.c b/drivers/clk/axs10x/i2s_pll_clock.c new file mode 100644 index 0000000..411310d --- /dev/null +++ b/drivers/clk/axs10x/i2s_pll_clock.c @@ -0,0 +1,228 @@ +/* + * Synopsys AXS10X SDP I2S PLL clock driver + * + * Copyright (C) 2016 Synopsys + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/platform_device.h> +#include <linux/module.h> +#include <linux/clk-provider.h> +#include <linux/err.h> +#include <linux/device.h> +#include <linux/of_address.h> +#include <linux/slab.h> +#include <linux/of.h> + +/* PLL registers addresses */ +#define PLL_IDIV_REG 0x0 +#define PLL_FBDIV_REG 0x4 +#define PLL_ODIV0_REG 0x8 +#define PLL_ODIV1_REG 0xC + +struct i2s_pll_cfg { + unsigned int rate; + unsigned int idiv; + unsigned int fbdiv; + unsigned int odiv0; + unsigned int odiv1; +}; + +static const struct i2s_pll_cfg i2s_pll_cfg_27m[] = { + /* 27 Mhz */ + { 1024000, 0x104, 0x451, 0x10E38, 0x2000 }, + { 1411200, 0x104, 0x596, 0x10D35, 0x2000 }, + { 1536000, 0x208, 0xA28, 0x10B2C, 0x2000 }, + { 2048000, 0x82, 0x451, 0x10E38, 0x2000 }, + { 2822400, 0x82, 0x596, 0x10D35, 0x2000 }, + { 3072000, 0x104, 0xA28, 0x10B2C, 0x2000 }, + { 2116800, 0x82, 0x3CF, 0x10C30, 0x2000 }, + { 2304000, 0x104, 0x79E, 0x10B2C, 0x2000 }, + { 0, 0, 0, 0, 0 }, +}; + +static const struct i2s_pll_cfg i2s_pll_cfg_28m[] = { + /* 28.224 Mhz */ + { 1024000, 0x82, 0x105, 0x107DF, 0x2000 }, + { 1411200, 0x28A, 0x1, 0x10001, 0x2000 }, + { 1536000, 0xA28, 0x187, 0x10042, 0x2000 }, + { 2048000, 0x41, 0x105, 0x107DF, 0x2000 }, + { 2822400, 0x145, 0x1, 0x10001, 0x2000 }, + { 3072000, 0x514, 0x187, 0x10042, 0x2000 }, + { 2116800, 0x514, 0x42, 0x10001, 0x2000 }, + { 2304000, 0x619, 0x82, 0x10001, 0x2000 }, + { 0, 0, 0, 0, 0 }, +}; + +struct i2s_pll_clk { + void __iomem *base; + struct clk_hw hw; + struct device *dev; +}; + +static inline void i2s_pll_write(struct i2s_pll_clk *clk, unsigned int reg, + unsigned int val) +{ + writel_relaxed(val, clk->base + reg); +} + +static inline unsigned int i2s_pll_read(struct i2s_pll_clk *clk, + unsigned int reg) +{ + return readl_relaxed(clk->base + reg); +} + +static inline struct i2s_pll_clk *to_i2s_pll_clk(struct clk_hw *hw) +{ + return container_of(hw, struct i2s_pll_clk, hw); +} + +static inline unsigned int i2s_pll_get_value(unsigned int val) +{ + return (val & 0x3F) + ((val >> 6) & 0x3F); +} + +static const struct i2s_pll_cfg *i2s_pll_get_cfg(unsigned long prate) +{ + switch (prate) { + case 27000000: + return i2s_pll_cfg_27m; + case 28224000: + return i2s_pll_cfg_28m; + default: + return NULL; + } +} + +static unsigned long i2s_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct i2s_pll_clk *clk = to_i2s_pll_clk(hw); + unsigned int idiv, fbdiv, odiv; + + idiv = i2s_pll_get_value(i2s_pll_read(clk, PLL_IDIV_REG)); + fbdiv = i2s_pll_get_value(i2s_pll_read(clk, PLL_FBDIV_REG)); + odiv = i2s_pll_get_value(i2s_pll_read(clk, PLL_ODIV0_REG)); + + return ((parent_rate / idiv) * fbdiv) / odiv; +} + +static long i2s_pll_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct i2s_pll_clk *clk = to_i2s_pll_clk(hw); + const struct i2s_pll_cfg *pll_cfg = i2s_pll_get_cfg(*prate); + int i; + + if (!pll_cfg) { + dev_err(clk->dev, "invalid parent rate=%ld\n", *prate); + return -EINVAL; + } + + for (i = 0; pll_cfg[i].rate != 0; i++) + if (pll_cfg[i].rate == rate) + return rate; + + return -EINVAL; +} + +static int i2s_pll_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct i2s_pll_clk *clk = to_i2s_pll_clk(hw); + const struct i2s_pll_cfg *pll_cfg = i2s_pll_get_cfg(parent_rate); + int i; + + if (!pll_cfg) { + dev_err(clk->dev, "invalid parent rate=%ld\n", parent_rate); + return -EINVAL; + } + + for (i = 0; pll_cfg[i].rate != 0; i++) { + if (pll_cfg[i].rate == rate) { + i2s_pll_write(clk, PLL_IDIV_REG, pll_cfg[i].idiv); + i2s_pll_write(clk, PLL_FBDIV_REG, pll_cfg[i].fbdiv); + i2s_pll_write(clk, PLL_ODIV0_REG, pll_cfg[i].odiv0); + i2s_pll_write(clk, PLL_ODIV1_REG, pll_cfg[i].odiv1); + return 0; + } + } + + dev_err(clk->dev, "invalid rate=%ld, parent_rate=%ld\n", rate, + parent_rate); + return -EINVAL; +} + +static const struct clk_ops i2s_pll_ops = { + .recalc_rate = i2s_pll_recalc_rate, + .round_rate = i2s_pll_round_rate, + .set_rate = i2s_pll_set_rate, +}; + +static int i2s_pll_clk_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *node = dev->of_node; + const char *clk_name; + const char *parent_name; + struct clk *clk; + struct i2s_pll_clk *pll_clk; + struct clk_init_data init; + struct resource *mem; + + pll_clk = devm_kzalloc(dev, sizeof(*pll_clk), GFP_KERNEL); + if (!pll_clk) + return -ENOMEM; + + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + pll_clk->base = devm_ioremap_resource(dev, mem); + if (IS_ERR(pll_clk->base)) + return PTR_ERR(pll_clk->base); + + clk_name = node->name; + init.name = clk_name; + init.ops = &i2s_pll_ops; + parent_name = of_clk_get_parent_name(node, 0); + init.parent_names = &parent_name; + init.num_parents = 1; + pll_clk->hw.init = &init; + pll_clk->dev = dev; + + clk = devm_clk_register(dev, &pll_clk->hw); + if (IS_ERR(clk)) { + dev_err(dev, "failed to register %s clock (%ld)\n", + clk_name, PTR_ERR(clk)); + return PTR_ERR(clk); + } + + return of_clk_add_provider(node, of_clk_src_simple_get, clk); +} + +static int i2s_pll_clk_remove(struct platform_device *pdev) +{ + of_clk_del_provider(pdev->dev.of_node); + return 0; +} + +static const struct of_device_id i2s_pll_clk_id[] = { + { .compatible = "snps,axs10x-i2s-pll-clock", }, + { }, +}; +MODULE_DEVICE_TABLE(of, i2s_pll_clk_id); + +static struct platform_driver i2s_pll_clk_driver = { + .driver = { + .name = "axs10x-i2s-pll-clock", + .of_match_table = i2s_pll_clk_id, + }, + .probe = i2s_pll_clk_probe, + .remove = i2s_pll_clk_remove, +}; +module_platform_driver(i2s_pll_clk_driver); + +MODULE_AUTHOR("Jose Abreu <joabreu@synopsys.com>"); +MODULE_DESCRIPTION("Synopsys AXS10X SDP I2S PLL Clock Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c index c74ed3f..7a79708 100644 --- a/drivers/clk/bcm/clk-bcm2835.c +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -12,9 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /** @@ -40,6 +37,7 @@ #include <linux/clk-provider.h> #include <linux/clkdev.h> #include <linux/clk/bcm2835.h> +#include <linux/debugfs.h> #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> @@ -51,6 +49,7 @@ #define CM_GNRICCTL 0x000 #define CM_GNRICDIV 0x004 # define CM_DIV_FRAC_BITS 12 +# define CM_DIV_FRAC_MASK GENMASK(CM_DIV_FRAC_BITS - 1, 0) #define CM_VPUCTL 0x008 #define CM_VPUDIV 0x00c @@ -118,6 +117,8 @@ #define CM_SDCCTL 0x1a8 #define CM_SDCDIV 0x1ac #define CM_ARMCTL 0x1b0 +#define CM_AVEOCTL 0x1b8 +#define CM_AVEODIV 0x1bc #define CM_EMMCCTL 0x1c0 #define CM_EMMCDIV 0x1c4 @@ -128,6 +129,7 @@ # define CM_GATE BIT(CM_GATE_BIT) # define CM_BUSY BIT(7) # define CM_BUSYD BIT(8) +# define CM_FRAC BIT(9) # define CM_SRC_SHIFT 0 # define CM_SRC_BITS 4 # define CM_SRC_MASK 0xf @@ -297,11 +299,11 @@ struct bcm2835_cprman { struct device *dev; void __iomem *regs; - spinlock_t regs_lock; + spinlock_t regs_lock; /* spinlock for all clocks */ const char *osc_name; struct clk_onecell_data onecell; - struct clk *clks[BCM2835_CLOCK_COUNT]; + struct clk *clks[]; }; static inline void cprman_write(struct bcm2835_cprman *cprman, u32 reg, u32 val) @@ -314,6 +316,27 @@ static inline u32 cprman_read(struct bcm2835_cprman *cprman, u32 reg) return readl(cprman->regs + reg); } +static int bcm2835_debugfs_regset(struct bcm2835_cprman *cprman, u32 base, + struct debugfs_reg32 *regs, size_t nregs, + struct dentry *dentry) +{ + struct dentry *regdump; + struct debugfs_regset32 *regset; + + regset = devm_kzalloc(cprman->dev, sizeof(*regset), GFP_KERNEL); + if (!regset) + return -ENOMEM; + + regset->regs = regs; + regset->nregs = nregs; + regset->base = cprman->regs + base; + + regdump = debugfs_create_regset32("regdump", S_IRUGO, dentry, + regset); + + return regdump ? 0 : -ENOMEM; +} + /* * These are fixed clocks. They're probably not all root clocks and it may * be possible to turn them on and off but until this is mapped out better @@ -377,132 +400,27 @@ struct bcm2835_pll_ana_bits { static const struct bcm2835_pll_ana_bits bcm2835_ana_default = { .mask0 = 0, .set0 = 0, - .mask1 = ~(A2W_PLL_KI_MASK | A2W_PLL_KP_MASK), + .mask1 = (u32)~(A2W_PLL_KI_MASK | A2W_PLL_KP_MASK), .set1 = (2 << A2W_PLL_KI_SHIFT) | (8 << A2W_PLL_KP_SHIFT), - .mask3 = ~A2W_PLL_KA_MASK, + .mask3 = (u32)~A2W_PLL_KA_MASK, .set3 = (2 << A2W_PLL_KA_SHIFT), .fb_prediv_mask = BIT(14), }; static const struct bcm2835_pll_ana_bits bcm2835_ana_pllh = { - .mask0 = ~(A2W_PLLH_KA_MASK | A2W_PLLH_KI_LOW_MASK), + .mask0 = (u32)~(A2W_PLLH_KA_MASK | A2W_PLLH_KI_LOW_MASK), .set0 = (2 << A2W_PLLH_KA_SHIFT) | (2 << A2W_PLLH_KI_LOW_SHIFT), - .mask1 = ~(A2W_PLLH_KI_HIGH_MASK | A2W_PLLH_KP_MASK), + .mask1 = (u32)~(A2W_PLLH_KI_HIGH_MASK | A2W_PLLH_KP_MASK), .set1 = (6 << A2W_PLLH_KP_SHIFT), .mask3 = 0, .set3 = 0, .fb_prediv_mask = BIT(11), }; -/* - * PLLA is the auxiliary PLL, used to drive the CCP2 (Compact Camera - * Port 2) transmitter clock. - * - * It is in the PX LDO power domain, which is on when the AUDIO domain - * is on. - */ -static const struct bcm2835_pll_data bcm2835_plla_data = { - .name = "plla", - .cm_ctrl_reg = CM_PLLA, - .a2w_ctrl_reg = A2W_PLLA_CTRL, - .frac_reg = A2W_PLLA_FRAC, - .ana_reg_base = A2W_PLLA_ANA0, - .reference_enable_mask = A2W_XOSC_CTRL_PLLA_ENABLE, - .lock_mask = CM_LOCK_FLOCKA, - - .ana = &bcm2835_ana_default, - - .min_rate = 600000000u, - .max_rate = 2400000000u, - .max_fb_rate = BCM2835_MAX_FB_RATE, -}; - -/* PLLB is used for the ARM's clock. */ -static const struct bcm2835_pll_data bcm2835_pllb_data = { - .name = "pllb", - .cm_ctrl_reg = CM_PLLB, - .a2w_ctrl_reg = A2W_PLLB_CTRL, - .frac_reg = A2W_PLLB_FRAC, - .ana_reg_base = A2W_PLLB_ANA0, - .reference_enable_mask = A2W_XOSC_CTRL_PLLB_ENABLE, - .lock_mask = CM_LOCK_FLOCKB, - - .ana = &bcm2835_ana_default, - - .min_rate = 600000000u, - .max_rate = 3000000000u, - .max_fb_rate = BCM2835_MAX_FB_RATE, -}; - -/* - * PLLC is the core PLL, used to drive the core VPU clock. - * - * It is in the PX LDO power domain, which is on when the AUDIO domain - * is on. -*/ -static const struct bcm2835_pll_data bcm2835_pllc_data = { - .name = "pllc", - .cm_ctrl_reg = CM_PLLC, - .a2w_ctrl_reg = A2W_PLLC_CTRL, - .frac_reg = A2W_PLLC_FRAC, - .ana_reg_base = A2W_PLLC_ANA0, - .reference_enable_mask = A2W_XOSC_CTRL_PLLC_ENABLE, - .lock_mask = CM_LOCK_FLOCKC, - - .ana = &bcm2835_ana_default, - - .min_rate = 600000000u, - .max_rate = 3000000000u, - .max_fb_rate = BCM2835_MAX_FB_RATE, -}; - -/* - * PLLD is the display PLL, used to drive DSI display panels. - * - * It is in the PX LDO power domain, which is on when the AUDIO domain - * is on. - */ -static const struct bcm2835_pll_data bcm2835_plld_data = { - .name = "plld", - .cm_ctrl_reg = CM_PLLD, - .a2w_ctrl_reg = A2W_PLLD_CTRL, - .frac_reg = A2W_PLLD_FRAC, - .ana_reg_base = A2W_PLLD_ANA0, - .reference_enable_mask = A2W_XOSC_CTRL_DDR_ENABLE, - .lock_mask = CM_LOCK_FLOCKD, - - .ana = &bcm2835_ana_default, - - .min_rate = 600000000u, - .max_rate = 2400000000u, - .max_fb_rate = BCM2835_MAX_FB_RATE, -}; - -/* - * PLLH is used to supply the pixel clock or the AUX clock for the TV - * encoder. - * - * It is in the HDMI power domain. - */ -static const struct bcm2835_pll_data bcm2835_pllh_data = { - "pllh", - .cm_ctrl_reg = CM_PLLH, - .a2w_ctrl_reg = A2W_PLLH_CTRL, - .frac_reg = A2W_PLLH_FRAC, - .ana_reg_base = A2W_PLLH_ANA0, - .reference_enable_mask = A2W_XOSC_CTRL_PLLC_ENABLE, - .lock_mask = CM_LOCK_FLOCKH, - - .ana = &bcm2835_ana_pllh, - - .min_rate = 600000000u, - .max_rate = 3000000000u, - .max_fb_rate = BCM2835_MAX_FB_RATE, -}; - struct bcm2835_pll_divider_data { const char *name; - const struct bcm2835_pll_data *source_pll; + const char *source_pll; + u32 cm_reg; u32 a2w_reg; @@ -511,124 +429,6 @@ struct bcm2835_pll_divider_data { u32 fixed_divider; }; -static const struct bcm2835_pll_divider_data bcm2835_plla_core_data = { - .name = "plla_core", - .source_pll = &bcm2835_plla_data, - .cm_reg = CM_PLLA, - .a2w_reg = A2W_PLLA_CORE, - .load_mask = CM_PLLA_LOADCORE, - .hold_mask = CM_PLLA_HOLDCORE, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_plla_per_data = { - .name = "plla_per", - .source_pll = &bcm2835_plla_data, - .cm_reg = CM_PLLA, - .a2w_reg = A2W_PLLA_PER, - .load_mask = CM_PLLA_LOADPER, - .hold_mask = CM_PLLA_HOLDPER, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_pllb_arm_data = { - .name = "pllb_arm", - .source_pll = &bcm2835_pllb_data, - .cm_reg = CM_PLLB, - .a2w_reg = A2W_PLLB_ARM, - .load_mask = CM_PLLB_LOADARM, - .hold_mask = CM_PLLB_HOLDARM, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_pllc_core0_data = { - .name = "pllc_core0", - .source_pll = &bcm2835_pllc_data, - .cm_reg = CM_PLLC, - .a2w_reg = A2W_PLLC_CORE0, - .load_mask = CM_PLLC_LOADCORE0, - .hold_mask = CM_PLLC_HOLDCORE0, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_pllc_core1_data = { - .name = "pllc_core1", .source_pll = &bcm2835_pllc_data, - .cm_reg = CM_PLLC, A2W_PLLC_CORE1, - .load_mask = CM_PLLC_LOADCORE1, - .hold_mask = CM_PLLC_HOLDCORE1, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_pllc_core2_data = { - .name = "pllc_core2", - .source_pll = &bcm2835_pllc_data, - .cm_reg = CM_PLLC, - .a2w_reg = A2W_PLLC_CORE2, - .load_mask = CM_PLLC_LOADCORE2, - .hold_mask = CM_PLLC_HOLDCORE2, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_pllc_per_data = { - .name = "pllc_per", - .source_pll = &bcm2835_pllc_data, - .cm_reg = CM_PLLC, - .a2w_reg = A2W_PLLC_PER, - .load_mask = CM_PLLC_LOADPER, - .hold_mask = CM_PLLC_HOLDPER, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_plld_core_data = { - .name = "plld_core", - .source_pll = &bcm2835_plld_data, - .cm_reg = CM_PLLD, - .a2w_reg = A2W_PLLD_CORE, - .load_mask = CM_PLLD_LOADCORE, - .hold_mask = CM_PLLD_HOLDCORE, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_plld_per_data = { - .name = "plld_per", - .source_pll = &bcm2835_plld_data, - .cm_reg = CM_PLLD, - .a2w_reg = A2W_PLLD_PER, - .load_mask = CM_PLLD_LOADPER, - .hold_mask = CM_PLLD_HOLDPER, - .fixed_divider = 1, -}; - -static const struct bcm2835_pll_divider_data bcm2835_pllh_rcal_data = { - .name = "pllh_rcal", - .source_pll = &bcm2835_pllh_data, - .cm_reg = CM_PLLH, - .a2w_reg = A2W_PLLH_RCAL, - .load_mask = CM_PLLH_LOADRCAL, - .hold_mask = 0, - .fixed_divider = 10, -}; - -static const struct bcm2835_pll_divider_data bcm2835_pllh_aux_data = { - .name = "pllh_aux", - .source_pll = &bcm2835_pllh_data, - .cm_reg = CM_PLLH, - .a2w_reg = A2W_PLLH_AUX, - .load_mask = CM_PLLH_LOADAUX, - .hold_mask = 0, - .fixed_divider = 10, -}; - -static const struct bcm2835_pll_divider_data bcm2835_pllh_pix_data = { - .name = "pllh_pix", - .source_pll = &bcm2835_pllh_data, - .cm_reg = CM_PLLH, - .a2w_reg = A2W_PLLH_PIX, - .load_mask = CM_PLLH_LOADPIX, - .hold_mask = 0, - .fixed_divider = 10, -}; - struct bcm2835_clock_data { const char *name; @@ -644,187 +444,14 @@ struct bcm2835_clock_data { u32 frac_bits; bool is_vpu_clock; + bool is_mash_clock; }; -static const char *const bcm2835_clock_per_parents[] = { - "gnd", - "xosc", - "testdebug0", - "testdebug1", - "plla_per", - "pllc_per", - "plld_per", - "pllh_aux", -}; - -static const char *const bcm2835_clock_vpu_parents[] = { - "gnd", - "xosc", - "testdebug0", - "testdebug1", - "plla_core", - "pllc_core0", - "plld_core", - "pllh_aux", - "pllc_core1", - "pllc_core2", -}; - -static const char *const bcm2835_clock_osc_parents[] = { - "gnd", - "xosc", - "testdebug0", - "testdebug1" -}; - -/* - * Used for a 1Mhz clock for the system clocksource, and also used by - * the watchdog timer and the camera pulse generator. - */ -static const struct bcm2835_clock_data bcm2835_clock_timer_data = { - .name = "timer", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_osc_parents), - .parents = bcm2835_clock_osc_parents, - .ctl_reg = CM_TIMERCTL, - .div_reg = CM_TIMERDIV, - .int_bits = 6, - .frac_bits = 12, -}; - -/* One Time Programmable Memory clock. Maximum 10Mhz. */ -static const struct bcm2835_clock_data bcm2835_clock_otp_data = { - .name = "otp", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_osc_parents), - .parents = bcm2835_clock_osc_parents, - .ctl_reg = CM_OTPCTL, - .div_reg = CM_OTPDIV, - .int_bits = 4, - .frac_bits = 0, -}; - -/* - * VPU clock. This doesn't have an enable bit, since it drives the - * bus for everything else, and is special so it doesn't need to be - * gated for rate changes. It is also known as "clk_audio" in various - * hardware documentation. - */ -static const struct bcm2835_clock_data bcm2835_clock_vpu_data = { - .name = "vpu", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_vpu_parents), - .parents = bcm2835_clock_vpu_parents, - .ctl_reg = CM_VPUCTL, - .div_reg = CM_VPUDIV, - .int_bits = 12, - .frac_bits = 8, - .is_vpu_clock = true, -}; - -static const struct bcm2835_clock_data bcm2835_clock_v3d_data = { - .name = "v3d", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_vpu_parents), - .parents = bcm2835_clock_vpu_parents, - .ctl_reg = CM_V3DCTL, - .div_reg = CM_V3DDIV, - .int_bits = 4, - .frac_bits = 8, -}; - -static const struct bcm2835_clock_data bcm2835_clock_isp_data = { - .name = "isp", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_vpu_parents), - .parents = bcm2835_clock_vpu_parents, - .ctl_reg = CM_ISPCTL, - .div_reg = CM_ISPDIV, - .int_bits = 4, - .frac_bits = 8, -}; - -static const struct bcm2835_clock_data bcm2835_clock_h264_data = { - .name = "h264", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_vpu_parents), - .parents = bcm2835_clock_vpu_parents, - .ctl_reg = CM_H264CTL, - .div_reg = CM_H264DIV, - .int_bits = 4, - .frac_bits = 8, -}; - -/* TV encoder clock. Only operating frequency is 108Mhz. */ -static const struct bcm2835_clock_data bcm2835_clock_vec_data = { - .name = "vec", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_per_parents), - .parents = bcm2835_clock_per_parents, - .ctl_reg = CM_VECCTL, - .div_reg = CM_VECDIV, - .int_bits = 4, - .frac_bits = 0, -}; - -static const struct bcm2835_clock_data bcm2835_clock_uart_data = { - .name = "uart", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_per_parents), - .parents = bcm2835_clock_per_parents, - .ctl_reg = CM_UARTCTL, - .div_reg = CM_UARTDIV, - .int_bits = 10, - .frac_bits = 12, -}; - -/* HDMI state machine */ -static const struct bcm2835_clock_data bcm2835_clock_hsm_data = { - .name = "hsm", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_per_parents), - .parents = bcm2835_clock_per_parents, - .ctl_reg = CM_HSMCTL, - .div_reg = CM_HSMDIV, - .int_bits = 4, - .frac_bits = 8, -}; - -/* - * Secondary SDRAM clock. Used for low-voltage modes when the PLL in - * the SDRAM controller can't be used. - */ -static const struct bcm2835_clock_data bcm2835_clock_sdram_data = { - .name = "sdram", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_vpu_parents), - .parents = bcm2835_clock_vpu_parents, - .ctl_reg = CM_SDCCTL, - .div_reg = CM_SDCDIV, - .int_bits = 6, - .frac_bits = 0, -}; - -/* Clock for the temperature sensor. Generally run at 2Mhz, max 5Mhz. */ -static const struct bcm2835_clock_data bcm2835_clock_tsens_data = { - .name = "tsens", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_osc_parents), - .parents = bcm2835_clock_osc_parents, - .ctl_reg = CM_TSENSCTL, - .div_reg = CM_TSENSDIV, - .int_bits = 5, - .frac_bits = 0, -}; - -/* Arasan EMMC clock */ -static const struct bcm2835_clock_data bcm2835_clock_emmc_data = { - .name = "emmc", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_per_parents), - .parents = bcm2835_clock_per_parents, - .ctl_reg = CM_EMMCCTL, - .div_reg = CM_EMMCDIV, - .int_bits = 4, - .frac_bits = 8, -}; +struct bcm2835_gate_data { + const char *name; + const char *parent; -static const struct bcm2835_clock_data bcm2835_clock_pwm_data = { - .name = "pwm", - .num_mux_parents = ARRAY_SIZE(bcm2835_clock_per_parents), - .parents = bcm2835_clock_per_parents, - .ctl_reg = CM_PWMCTL, - .div_reg = CM_PWMDIV, - .int_bits = 12, - .frac_bits = 12, + u32 ctl_reg; }; struct bcm2835_pll { @@ -910,8 +537,14 @@ static void bcm2835_pll_off(struct clk_hw *hw) struct bcm2835_cprman *cprman = pll->cprman; const struct bcm2835_pll_data *data = pll->data; - cprman_write(cprman, data->cm_ctrl_reg, CM_PLL_ANARST); - cprman_write(cprman, data->a2w_ctrl_reg, A2W_PLL_CTRL_PWRDN); + spin_lock(&cprman->regs_lock); + cprman_write(cprman, data->cm_ctrl_reg, + cprman_read(cprman, data->cm_ctrl_reg) | + CM_PLL_ANARST); + cprman_write(cprman, data->a2w_ctrl_reg, + cprman_read(cprman, data->a2w_ctrl_reg) | + A2W_PLL_CTRL_PWRDN); + spin_unlock(&cprman->regs_lock); } static int bcm2835_pll_on(struct clk_hw *hw) @@ -921,6 +554,10 @@ static int bcm2835_pll_on(struct clk_hw *hw) const struct bcm2835_pll_data *data = pll->data; ktime_t timeout; + cprman_write(cprman, data->a2w_ctrl_reg, + cprman_read(cprman, data->a2w_ctrl_reg) & + ~A2W_PLL_CTRL_PWRDN); + /* Take the PLL out of reset. */ cprman_write(cprman, data->cm_ctrl_reg, cprman_read(cprman, data->cm_ctrl_reg) & ~CM_PLL_ANARST); @@ -1030,6 +667,36 @@ static int bcm2835_pll_set_rate(struct clk_hw *hw, return 0; } +static int bcm2835_pll_debug_init(struct clk_hw *hw, + struct dentry *dentry) +{ + struct bcm2835_pll *pll = container_of(hw, struct bcm2835_pll, hw); + struct bcm2835_cprman *cprman = pll->cprman; + const struct bcm2835_pll_data *data = pll->data; + struct debugfs_reg32 *regs; + + regs = devm_kzalloc(cprman->dev, 7 * sizeof(*regs), GFP_KERNEL); + if (!regs) + return -ENOMEM; + + regs[0].name = "cm_ctrl"; + regs[0].offset = data->cm_ctrl_reg; + regs[1].name = "a2w_ctrl"; + regs[1].offset = data->a2w_ctrl_reg; + regs[2].name = "frac"; + regs[2].offset = data->frac_reg; + regs[3].name = "ana0"; + regs[3].offset = data->ana_reg_base + 0 * 4; + regs[4].name = "ana1"; + regs[4].offset = data->ana_reg_base + 1 * 4; + regs[5].name = "ana2"; + regs[5].offset = data->ana_reg_base + 2 * 4; + regs[6].name = "ana3"; + regs[6].offset = data->ana_reg_base + 3 * 4; + + return bcm2835_debugfs_regset(cprman, 0, regs, 7, dentry); +} + static const struct clk_ops bcm2835_pll_clk_ops = { .is_prepared = bcm2835_pll_is_on, .prepare = bcm2835_pll_on, @@ -1037,6 +704,7 @@ static const struct clk_ops bcm2835_pll_clk_ops = { .recalc_rate = bcm2835_pll_get_rate, .set_rate = bcm2835_pll_set_rate, .round_rate = bcm2835_pll_round_rate, + .debug_init = bcm2835_pll_debug_init, }; struct bcm2835_pll_divider { @@ -1079,10 +747,12 @@ static void bcm2835_pll_divider_off(struct clk_hw *hw) struct bcm2835_cprman *cprman = divider->cprman; const struct bcm2835_pll_divider_data *data = divider->data; + spin_lock(&cprman->regs_lock); cprman_write(cprman, data->cm_reg, (cprman_read(cprman, data->cm_reg) & ~data->load_mask) | data->hold_mask); cprman_write(cprman, data->a2w_reg, A2W_PLL_CHANNEL_DISABLE); + spin_unlock(&cprman->regs_lock); } static int bcm2835_pll_divider_on(struct clk_hw *hw) @@ -1091,12 +761,14 @@ static int bcm2835_pll_divider_on(struct clk_hw *hw) struct bcm2835_cprman *cprman = divider->cprman; const struct bcm2835_pll_divider_data *data = divider->data; + spin_lock(&cprman->regs_lock); cprman_write(cprman, data->a2w_reg, cprman_read(cprman, data->a2w_reg) & ~A2W_PLL_CHANNEL_DISABLE); cprman_write(cprman, data->cm_reg, cprman_read(cprman, data->cm_reg) & ~data->hold_mask); + spin_unlock(&cprman->regs_lock); return 0; } @@ -1124,6 +796,26 @@ static int bcm2835_pll_divider_set_rate(struct clk_hw *hw, return 0; } +static int bcm2835_pll_divider_debug_init(struct clk_hw *hw, + struct dentry *dentry) +{ + struct bcm2835_pll_divider *divider = bcm2835_pll_divider_from_hw(hw); + struct bcm2835_cprman *cprman = divider->cprman; + const struct bcm2835_pll_divider_data *data = divider->data; + struct debugfs_reg32 *regs; + + regs = devm_kzalloc(cprman->dev, 7 * sizeof(*regs), GFP_KERNEL); + if (!regs) + return -ENOMEM; + + regs[0].name = "cm"; + regs[0].offset = data->cm_reg; + regs[1].name = "a2w"; + regs[1].offset = data->a2w_reg; + + return bcm2835_debugfs_regset(cprman, 0, regs, 2, dentry); +} + static const struct clk_ops bcm2835_pll_divider_clk_ops = { .is_prepared = bcm2835_pll_divider_is_on, .prepare = bcm2835_pll_divider_on, @@ -1131,6 +823,7 @@ static const struct clk_ops bcm2835_pll_divider_clk_ops = { .recalc_rate = bcm2835_pll_divider_get_rate, .set_rate = bcm2835_pll_divider_set_rate, .round_rate = bcm2835_pll_divider_round_rate, + .debug_init = bcm2835_pll_divider_debug_init, }; /* @@ -1170,7 +863,7 @@ static u32 bcm2835_clock_choose_div(struct clk_hw *hw, GENMASK(CM_DIV_FRAC_BITS - data->frac_bits, 0) >> 1; u64 temp = (u64)parent_rate << CM_DIV_FRAC_BITS; u64 rem; - u32 div; + u32 div, mindiv, maxdiv; rem = do_div(temp, rate); div = temp; @@ -1180,10 +873,23 @@ static u32 bcm2835_clock_choose_div(struct clk_hw *hw, div += unused_frac_mask + 1; div &= ~unused_frac_mask; - /* Clamp to the limits. */ - div = max(div, unused_frac_mask + 1); - div = min_t(u32, div, GENMASK(data->int_bits + CM_DIV_FRAC_BITS - 1, - CM_DIV_FRAC_BITS - data->frac_bits)); + /* different clamping limits apply for a mash clock */ + if (data->is_mash_clock) { + /* clamp to min divider of 2 */ + mindiv = 2 << CM_DIV_FRAC_BITS; + /* clamp to the highest possible integer divider */ + maxdiv = (BIT(data->int_bits) - 1) << CM_DIV_FRAC_BITS; + } else { + /* clamp to min divider of 1 */ + mindiv = 1 << CM_DIV_FRAC_BITS; + /* clamp to the highest possible fractional divider */ + maxdiv = GENMASK(data->int_bits + CM_DIV_FRAC_BITS - 1, + CM_DIV_FRAC_BITS - data->frac_bits); + } + + /* apply the clamping limits */ + div = max_t(u32, div, mindiv); + div = min_t(u32, div, maxdiv); return div; } @@ -1277,14 +983,31 @@ static int bcm2835_clock_set_rate(struct clk_hw *hw, struct bcm2835_cprman *cprman = clock->cprman; const struct bcm2835_clock_data *data = clock->data; u32 div = bcm2835_clock_choose_div(hw, rate, parent_rate, false); + u32 ctl; + + spin_lock(&cprman->regs_lock); + + /* + * Setting up frac support + * + * In principle it is recommended to stop/start the clock first, + * but as we set CLK_SET_RATE_GATE during registration of the + * clock this requirement should be take care of by the + * clk-framework. + */ + ctl = cprman_read(cprman, data->ctl_reg) & ~CM_FRAC; + ctl |= (div & CM_DIV_FRAC_MASK) ? CM_FRAC : 0; + cprman_write(cprman, data->ctl_reg, ctl); cprman_write(cprman, data->div_reg, div); + spin_unlock(&cprman->regs_lock); + return 0; } static int bcm2835_clock_determine_rate(struct clk_hw *hw, - struct clk_rate_request *req) + struct clk_rate_request *req) { struct bcm2835_clock *clock = bcm2835_clock_from_hw(hw); struct clk_hw *parent, *best_parent = NULL; @@ -1342,6 +1065,30 @@ static u8 bcm2835_clock_get_parent(struct clk_hw *hw) return (src & CM_SRC_MASK) >> CM_SRC_SHIFT; } +static struct debugfs_reg32 bcm2835_debugfs_clock_reg32[] = { + { + .name = "ctl", + .offset = 0, + }, + { + .name = "div", + .offset = 4, + }, +}; + +static int bcm2835_clock_debug_init(struct clk_hw *hw, + struct dentry *dentry) +{ + struct bcm2835_clock *clock = bcm2835_clock_from_hw(hw); + struct bcm2835_cprman *cprman = clock->cprman; + const struct bcm2835_clock_data *data = clock->data; + + return bcm2835_debugfs_regset( + cprman, data->ctl_reg, + bcm2835_debugfs_clock_reg32, + ARRAY_SIZE(bcm2835_debugfs_clock_reg32), + dentry); +} static const struct clk_ops bcm2835_clock_clk_ops = { .is_prepared = bcm2835_clock_is_on, @@ -1352,6 +1099,7 @@ static const struct clk_ops bcm2835_clock_clk_ops = { .determine_rate = bcm2835_clock_determine_rate, .set_parent = bcm2835_clock_set_parent, .get_parent = bcm2835_clock_get_parent, + .debug_init = bcm2835_clock_debug_init, }; static int bcm2835_vpu_clock_is_on(struct clk_hw *hw) @@ -1370,6 +1118,7 @@ static const struct clk_ops bcm2835_vpu_clock_clk_ops = { .determine_rate = bcm2835_clock_determine_rate, .set_parent = bcm2835_clock_set_parent, .get_parent = bcm2835_clock_get_parent, + .debug_init = bcm2835_clock_debug_init, }; static struct clk *bcm2835_register_pll(struct bcm2835_cprman *cprman, @@ -1418,7 +1167,7 @@ bcm2835_register_pll_divider(struct bcm2835_cprman *cprman, memset(&init, 0, sizeof(init)); - init.parent_names = &data->source_pll->name; + init.parent_names = &data->source_pll; init.num_parents = 1; init.name = divider_name; init.ops = &bcm2835_pll_divider_clk_ops; @@ -1501,14 +1250,559 @@ static struct clk *bcm2835_register_clock(struct bcm2835_cprman *cprman, return devm_clk_register(cprman->dev, &clock->hw); } +static struct clk *bcm2835_register_gate(struct bcm2835_cprman *cprman, + const struct bcm2835_gate_data *data) +{ + return clk_register_gate(cprman->dev, data->name, data->parent, + CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, + cprman->regs + data->ctl_reg, + CM_GATE_BIT, 0, &cprman->regs_lock); +} + +typedef struct clk *(*bcm2835_clk_register)(struct bcm2835_cprman *cprman, + const void *data); +struct bcm2835_clk_desc { + bcm2835_clk_register clk_register; + const void *data; +}; + +/* assignment helper macros for different clock types */ +#define _REGISTER(f, ...) { .clk_register = (bcm2835_clk_register)f, \ + .data = __VA_ARGS__ } +#define REGISTER_PLL(...) _REGISTER(&bcm2835_register_pll, \ + &(struct bcm2835_pll_data) \ + {__VA_ARGS__}) +#define REGISTER_PLL_DIV(...) _REGISTER(&bcm2835_register_pll_divider, \ + &(struct bcm2835_pll_divider_data) \ + {__VA_ARGS__}) +#define REGISTER_CLK(...) _REGISTER(&bcm2835_register_clock, \ + &(struct bcm2835_clock_data) \ + {__VA_ARGS__}) +#define REGISTER_GATE(...) _REGISTER(&bcm2835_register_gate, \ + &(struct bcm2835_gate_data) \ + {__VA_ARGS__}) + +/* parent mux arrays plus helper macros */ + +/* main oscillator parent mux */ +static const char *const bcm2835_clock_osc_parents[] = { + "gnd", + "xosc", + "testdebug0", + "testdebug1" +}; + +#define REGISTER_OSC_CLK(...) REGISTER_CLK( \ + .num_mux_parents = ARRAY_SIZE(bcm2835_clock_osc_parents), \ + .parents = bcm2835_clock_osc_parents, \ + __VA_ARGS__) + +/* main peripherial parent mux */ +static const char *const bcm2835_clock_per_parents[] = { + "gnd", + "xosc", + "testdebug0", + "testdebug1", + "plla_per", + "pllc_per", + "plld_per", + "pllh_aux", +}; + +#define REGISTER_PER_CLK(...) REGISTER_CLK( \ + .num_mux_parents = ARRAY_SIZE(bcm2835_clock_per_parents), \ + .parents = bcm2835_clock_per_parents, \ + __VA_ARGS__) + +/* main vpu parent mux */ +static const char *const bcm2835_clock_vpu_parents[] = { + "gnd", + "xosc", + "testdebug0", + "testdebug1", + "plla_core", + "pllc_core0", + "plld_core", + "pllh_aux", + "pllc_core1", + "pllc_core2", +}; + +#define REGISTER_VPU_CLK(...) REGISTER_CLK( \ + .num_mux_parents = ARRAY_SIZE(bcm2835_clock_vpu_parents), \ + .parents = bcm2835_clock_vpu_parents, \ + __VA_ARGS__) + +/* + * the real definition of all the pll, pll_dividers and clocks + * these make use of the above REGISTER_* macros + */ +static const struct bcm2835_clk_desc clk_desc_array[] = { + /* the PLL + PLL dividers */ + + /* + * PLLA is the auxiliary PLL, used to drive the CCP2 + * (Compact Camera Port 2) transmitter clock. + * + * It is in the PX LDO power domain, which is on when the + * AUDIO domain is on. + */ + [BCM2835_PLLA] = REGISTER_PLL( + .name = "plla", + .cm_ctrl_reg = CM_PLLA, + .a2w_ctrl_reg = A2W_PLLA_CTRL, + .frac_reg = A2W_PLLA_FRAC, + .ana_reg_base = A2W_PLLA_ANA0, + .reference_enable_mask = A2W_XOSC_CTRL_PLLA_ENABLE, + .lock_mask = CM_LOCK_FLOCKA, + + .ana = &bcm2835_ana_default, + + .min_rate = 600000000u, + .max_rate = 2400000000u, + .max_fb_rate = BCM2835_MAX_FB_RATE), + [BCM2835_PLLA_CORE] = REGISTER_PLL_DIV( + .name = "plla_core", + .source_pll = "plla", + .cm_reg = CM_PLLA, + .a2w_reg = A2W_PLLA_CORE, + .load_mask = CM_PLLA_LOADCORE, + .hold_mask = CM_PLLA_HOLDCORE, + .fixed_divider = 1), + [BCM2835_PLLA_PER] = REGISTER_PLL_DIV( + .name = "plla_per", + .source_pll = "plla", + .cm_reg = CM_PLLA, + .a2w_reg = A2W_PLLA_PER, + .load_mask = CM_PLLA_LOADPER, + .hold_mask = CM_PLLA_HOLDPER, + .fixed_divider = 1), + [BCM2835_PLLA_DSI0] = REGISTER_PLL_DIV( + .name = "plla_dsi0", + .source_pll = "plla", + .cm_reg = CM_PLLA, + .a2w_reg = A2W_PLLA_DSI0, + .load_mask = CM_PLLA_LOADDSI0, + .hold_mask = CM_PLLA_HOLDDSI0, + .fixed_divider = 1), + [BCM2835_PLLA_CCP2] = REGISTER_PLL_DIV( + .name = "plla_ccp2", + .source_pll = "plla", + .cm_reg = CM_PLLA, + .a2w_reg = A2W_PLLA_CCP2, + .load_mask = CM_PLLA_LOADCCP2, + .hold_mask = CM_PLLA_HOLDCCP2, + .fixed_divider = 1), + + /* PLLB is used for the ARM's clock. */ + [BCM2835_PLLB] = REGISTER_PLL( + .name = "pllb", + .cm_ctrl_reg = CM_PLLB, + .a2w_ctrl_reg = A2W_PLLB_CTRL, + .frac_reg = A2W_PLLB_FRAC, + .ana_reg_base = A2W_PLLB_ANA0, + .reference_enable_mask = A2W_XOSC_CTRL_PLLB_ENABLE, + .lock_mask = CM_LOCK_FLOCKB, + + .ana = &bcm2835_ana_default, + + .min_rate = 600000000u, + .max_rate = 3000000000u, + .max_fb_rate = BCM2835_MAX_FB_RATE), + [BCM2835_PLLB_ARM] = REGISTER_PLL_DIV( + .name = "pllb_arm", + .source_pll = "pllb", + .cm_reg = CM_PLLB, + .a2w_reg = A2W_PLLB_ARM, + .load_mask = CM_PLLB_LOADARM, + .hold_mask = CM_PLLB_HOLDARM, + .fixed_divider = 1), + + /* + * PLLC is the core PLL, used to drive the core VPU clock. + * + * It is in the PX LDO power domain, which is on when the + * AUDIO domain is on. + */ + [BCM2835_PLLC] = REGISTER_PLL( + .name = "pllc", + .cm_ctrl_reg = CM_PLLC, + .a2w_ctrl_reg = A2W_PLLC_CTRL, + .frac_reg = A2W_PLLC_FRAC, + .ana_reg_base = A2W_PLLC_ANA0, + .reference_enable_mask = A2W_XOSC_CTRL_PLLC_ENABLE, + .lock_mask = CM_LOCK_FLOCKC, + + .ana = &bcm2835_ana_default, + + .min_rate = 600000000u, + .max_rate = 3000000000u, + .max_fb_rate = BCM2835_MAX_FB_RATE), + [BCM2835_PLLC_CORE0] = REGISTER_PLL_DIV( + .name = "pllc_core0", + .source_pll = "pllc", + .cm_reg = CM_PLLC, + .a2w_reg = A2W_PLLC_CORE0, + .load_mask = CM_PLLC_LOADCORE0, + .hold_mask = CM_PLLC_HOLDCORE0, + .fixed_divider = 1), + [BCM2835_PLLC_CORE1] = REGISTER_PLL_DIV( + .name = "pllc_core1", + .source_pll = "pllc", + .cm_reg = CM_PLLC, + .a2w_reg = A2W_PLLC_CORE1, + .load_mask = CM_PLLC_LOADCORE1, + .hold_mask = CM_PLLC_HOLDCORE1, + .fixed_divider = 1), + [BCM2835_PLLC_CORE2] = REGISTER_PLL_DIV( + .name = "pllc_core2", + .source_pll = "pllc", + .cm_reg = CM_PLLC, + .a2w_reg = A2W_PLLC_CORE2, + .load_mask = CM_PLLC_LOADCORE2, + .hold_mask = CM_PLLC_HOLDCORE2, + .fixed_divider = 1), + [BCM2835_PLLC_PER] = REGISTER_PLL_DIV( + .name = "pllc_per", + .source_pll = "pllc", + .cm_reg = CM_PLLC, + .a2w_reg = A2W_PLLC_PER, + .load_mask = CM_PLLC_LOADPER, + .hold_mask = CM_PLLC_HOLDPER, + .fixed_divider = 1), + + /* + * PLLD is the display PLL, used to drive DSI display panels. + * + * It is in the PX LDO power domain, which is on when the + * AUDIO domain is on. + */ + [BCM2835_PLLD] = REGISTER_PLL( + .name = "plld", + .cm_ctrl_reg = CM_PLLD, + .a2w_ctrl_reg = A2W_PLLD_CTRL, + .frac_reg = A2W_PLLD_FRAC, + .ana_reg_base = A2W_PLLD_ANA0, + .reference_enable_mask = A2W_XOSC_CTRL_DDR_ENABLE, + .lock_mask = CM_LOCK_FLOCKD, + + .ana = &bcm2835_ana_default, + + .min_rate = 600000000u, + .max_rate = 2400000000u, + .max_fb_rate = BCM2835_MAX_FB_RATE), + [BCM2835_PLLD_CORE] = REGISTER_PLL_DIV( + .name = "plld_core", + .source_pll = "plld", + .cm_reg = CM_PLLD, + .a2w_reg = A2W_PLLD_CORE, + .load_mask = CM_PLLD_LOADCORE, + .hold_mask = CM_PLLD_HOLDCORE, + .fixed_divider = 1), + [BCM2835_PLLD_PER] = REGISTER_PLL_DIV( + .name = "plld_per", + .source_pll = "plld", + .cm_reg = CM_PLLD, + .a2w_reg = A2W_PLLD_PER, + .load_mask = CM_PLLD_LOADPER, + .hold_mask = CM_PLLD_HOLDPER, + .fixed_divider = 1), + [BCM2835_PLLD_DSI0] = REGISTER_PLL_DIV( + .name = "plld_dsi0", + .source_pll = "plld", + .cm_reg = CM_PLLD, + .a2w_reg = A2W_PLLD_DSI0, + .load_mask = CM_PLLD_LOADDSI0, + .hold_mask = CM_PLLD_HOLDDSI0, + .fixed_divider = 1), + [BCM2835_PLLD_DSI1] = REGISTER_PLL_DIV( + .name = "plld_dsi1", + .source_pll = "plld", + .cm_reg = CM_PLLD, + .a2w_reg = A2W_PLLD_DSI1, + .load_mask = CM_PLLD_LOADDSI1, + .hold_mask = CM_PLLD_HOLDDSI1, + .fixed_divider = 1), + + /* + * PLLH is used to supply the pixel clock or the AUX clock for the + * TV encoder. + * + * It is in the HDMI power domain. + */ + [BCM2835_PLLH] = REGISTER_PLL( + "pllh", + .cm_ctrl_reg = CM_PLLH, + .a2w_ctrl_reg = A2W_PLLH_CTRL, + .frac_reg = A2W_PLLH_FRAC, + .ana_reg_base = A2W_PLLH_ANA0, + .reference_enable_mask = A2W_XOSC_CTRL_PLLC_ENABLE, + .lock_mask = CM_LOCK_FLOCKH, + + .ana = &bcm2835_ana_pllh, + + .min_rate = 600000000u, + .max_rate = 3000000000u, + .max_fb_rate = BCM2835_MAX_FB_RATE), + [BCM2835_PLLH_RCAL] = REGISTER_PLL_DIV( + .name = "pllh_rcal", + .source_pll = "pllh", + .cm_reg = CM_PLLH, + .a2w_reg = A2W_PLLH_RCAL, + .load_mask = CM_PLLH_LOADRCAL, + .hold_mask = 0, + .fixed_divider = 10), + [BCM2835_PLLH_AUX] = REGISTER_PLL_DIV( + .name = "pllh_aux", + .source_pll = "pllh", + .cm_reg = CM_PLLH, + .a2w_reg = A2W_PLLH_AUX, + .load_mask = CM_PLLH_LOADAUX, + .hold_mask = 0, + .fixed_divider = 10), + [BCM2835_PLLH_PIX] = REGISTER_PLL_DIV( + .name = "pllh_pix", + .source_pll = "pllh", + .cm_reg = CM_PLLH, + .a2w_reg = A2W_PLLH_PIX, + .load_mask = CM_PLLH_LOADPIX, + .hold_mask = 0, + .fixed_divider = 10), + + /* the clocks */ + + /* clocks with oscillator parent mux */ + + /* One Time Programmable Memory clock. Maximum 10Mhz. */ + [BCM2835_CLOCK_OTP] = REGISTER_OSC_CLK( + .name = "otp", + .ctl_reg = CM_OTPCTL, + .div_reg = CM_OTPDIV, + .int_bits = 4, + .frac_bits = 0), + /* + * Used for a 1Mhz clock for the system clocksource, and also used + * bythe watchdog timer and the camera pulse generator. + */ + [BCM2835_CLOCK_TIMER] = REGISTER_OSC_CLK( + .name = "timer", + .ctl_reg = CM_TIMERCTL, + .div_reg = CM_TIMERDIV, + .int_bits = 6, + .frac_bits = 12), + /* + * Clock for the temperature sensor. + * Generally run at 2Mhz, max 5Mhz. + */ + [BCM2835_CLOCK_TSENS] = REGISTER_OSC_CLK( + .name = "tsens", + .ctl_reg = CM_TSENSCTL, + .div_reg = CM_TSENSDIV, + .int_bits = 5, + .frac_bits = 0), + [BCM2835_CLOCK_TEC] = REGISTER_OSC_CLK( + .name = "tec", + .ctl_reg = CM_TECCTL, + .div_reg = CM_TECDIV, + .int_bits = 6, + .frac_bits = 0), + + /* clocks with vpu parent mux */ + [BCM2835_CLOCK_H264] = REGISTER_VPU_CLK( + .name = "h264", + .ctl_reg = CM_H264CTL, + .div_reg = CM_H264DIV, + .int_bits = 4, + .frac_bits = 8), + [BCM2835_CLOCK_ISP] = REGISTER_VPU_CLK( + .name = "isp", + .ctl_reg = CM_ISPCTL, + .div_reg = CM_ISPDIV, + .int_bits = 4, + .frac_bits = 8), + + /* + * Secondary SDRAM clock. Used for low-voltage modes when the PLL + * in the SDRAM controller can't be used. + */ + [BCM2835_CLOCK_SDRAM] = REGISTER_VPU_CLK( + .name = "sdram", + .ctl_reg = CM_SDCCTL, + .div_reg = CM_SDCDIV, + .int_bits = 6, + .frac_bits = 0), + [BCM2835_CLOCK_V3D] = REGISTER_VPU_CLK( + .name = "v3d", + .ctl_reg = CM_V3DCTL, + .div_reg = CM_V3DDIV, + .int_bits = 4, + .frac_bits = 8), + /* + * VPU clock. This doesn't have an enable bit, since it drives + * the bus for everything else, and is special so it doesn't need + * to be gated for rate changes. It is also known as "clk_audio" + * in various hardware documentation. + */ + [BCM2835_CLOCK_VPU] = REGISTER_VPU_CLK( + .name = "vpu", + .ctl_reg = CM_VPUCTL, + .div_reg = CM_VPUDIV, + .int_bits = 12, + .frac_bits = 8, + .is_vpu_clock = true), + + /* clocks with per parent mux */ + [BCM2835_CLOCK_AVEO] = REGISTER_PER_CLK( + .name = "aveo", + .ctl_reg = CM_AVEOCTL, + .div_reg = CM_AVEODIV, + .int_bits = 4, + .frac_bits = 0), + [BCM2835_CLOCK_CAM0] = REGISTER_PER_CLK( + .name = "cam0", + .ctl_reg = CM_CAM0CTL, + .div_reg = CM_CAM0DIV, + .int_bits = 4, + .frac_bits = 8), + [BCM2835_CLOCK_CAM1] = REGISTER_PER_CLK( + .name = "cam1", + .ctl_reg = CM_CAM1CTL, + .div_reg = CM_CAM1DIV, + .int_bits = 4, + .frac_bits = 8), + [BCM2835_CLOCK_DFT] = REGISTER_PER_CLK( + .name = "dft", + .ctl_reg = CM_DFTCTL, + .div_reg = CM_DFTDIV, + .int_bits = 5, + .frac_bits = 0), + [BCM2835_CLOCK_DPI] = REGISTER_PER_CLK( + .name = "dpi", + .ctl_reg = CM_DPICTL, + .div_reg = CM_DPIDIV, + .int_bits = 4, + .frac_bits = 8), + + /* Arasan EMMC clock */ + [BCM2835_CLOCK_EMMC] = REGISTER_PER_CLK( + .name = "emmc", + .ctl_reg = CM_EMMCCTL, + .div_reg = CM_EMMCDIV, + .int_bits = 4, + .frac_bits = 8), + + /* General purpose (GPIO) clocks */ + [BCM2835_CLOCK_GP0] = REGISTER_PER_CLK( + .name = "gp0", + .ctl_reg = CM_GP0CTL, + .div_reg = CM_GP0DIV, + .int_bits = 12, + .frac_bits = 12, + .is_mash_clock = true), + [BCM2835_CLOCK_GP1] = REGISTER_PER_CLK( + .name = "gp1", + .ctl_reg = CM_GP1CTL, + .div_reg = CM_GP1DIV, + .int_bits = 12, + .frac_bits = 12, + .is_mash_clock = true), + [BCM2835_CLOCK_GP2] = REGISTER_PER_CLK( + .name = "gp2", + .ctl_reg = CM_GP2CTL, + .div_reg = CM_GP2DIV, + .int_bits = 12, + .frac_bits = 12), + + /* HDMI state machine */ + [BCM2835_CLOCK_HSM] = REGISTER_PER_CLK( + .name = "hsm", + .ctl_reg = CM_HSMCTL, + .div_reg = CM_HSMDIV, + .int_bits = 4, + .frac_bits = 8), + [BCM2835_CLOCK_PCM] = REGISTER_PER_CLK( + .name = "pcm", + .ctl_reg = CM_PCMCTL, + .div_reg = CM_PCMDIV, + .int_bits = 12, + .frac_bits = 12, + .is_mash_clock = true), + [BCM2835_CLOCK_PWM] = REGISTER_PER_CLK( + .name = "pwm", + .ctl_reg = CM_PWMCTL, + .div_reg = CM_PWMDIV, + .int_bits = 12, + .frac_bits = 12, + .is_mash_clock = true), + [BCM2835_CLOCK_SLIM] = REGISTER_PER_CLK( + .name = "slim", + .ctl_reg = CM_SLIMCTL, + .div_reg = CM_SLIMDIV, + .int_bits = 12, + .frac_bits = 12, + .is_mash_clock = true), + [BCM2835_CLOCK_SMI] = REGISTER_PER_CLK( + .name = "smi", + .ctl_reg = CM_SMICTL, + .div_reg = CM_SMIDIV, + .int_bits = 4, + .frac_bits = 8), + [BCM2835_CLOCK_UART] = REGISTER_PER_CLK( + .name = "uart", + .ctl_reg = CM_UARTCTL, + .div_reg = CM_UARTDIV, + .int_bits = 10, + .frac_bits = 12), + + /* TV encoder clock. Only operating frequency is 108Mhz. */ + [BCM2835_CLOCK_VEC] = REGISTER_PER_CLK( + .name = "vec", + .ctl_reg = CM_VECCTL, + .div_reg = CM_VECDIV, + .int_bits = 4, + .frac_bits = 0), + + /* dsi clocks */ + [BCM2835_CLOCK_DSI0E] = REGISTER_PER_CLK( + .name = "dsi0e", + .ctl_reg = CM_DSI0ECTL, + .div_reg = CM_DSI0EDIV, + .int_bits = 4, + .frac_bits = 8), + [BCM2835_CLOCK_DSI1E] = REGISTER_PER_CLK( + .name = "dsi1e", + .ctl_reg = CM_DSI1ECTL, + .div_reg = CM_DSI1EDIV, + .int_bits = 4, + .frac_bits = 8), + + /* the gates */ + + /* + * CM_PERIICTL (and CM_PERIACTL, CM_SYSCTL and CM_VPUCTL if + * you have the debug bit set in the power manager, which we + * don't bother exposing) are individual gates off of the + * non-stop vpu clock. + */ + [BCM2835_CLOCK_PERI_IMAGE] = REGISTER_GATE( + .name = "peri_image", + .parent = "vpu", + .ctl_reg = CM_PERIICTL), +}; + static int bcm2835_clk_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct clk **clks; struct bcm2835_cprman *cprman; struct resource *res; + const struct bcm2835_clk_desc *desc; + const size_t asize = ARRAY_SIZE(clk_desc_array); + size_t i; - cprman = devm_kzalloc(dev, sizeof(*cprman), GFP_KERNEL); + cprman = devm_kzalloc(dev, + sizeof(*cprman) + asize * sizeof(*clks), + GFP_KERNEL); if (!cprman) return -ENOMEM; @@ -1525,80 +1819,15 @@ static int bcm2835_clk_probe(struct platform_device *pdev) platform_set_drvdata(pdev, cprman); - cprman->onecell.clk_num = BCM2835_CLOCK_COUNT; + cprman->onecell.clk_num = asize; cprman->onecell.clks = cprman->clks; clks = cprman->clks; - clks[BCM2835_PLLA] = bcm2835_register_pll(cprman, &bcm2835_plla_data); - clks[BCM2835_PLLB] = bcm2835_register_pll(cprman, &bcm2835_pllb_data); - clks[BCM2835_PLLC] = bcm2835_register_pll(cprman, &bcm2835_pllc_data); - clks[BCM2835_PLLD] = bcm2835_register_pll(cprman, &bcm2835_plld_data); - clks[BCM2835_PLLH] = bcm2835_register_pll(cprman, &bcm2835_pllh_data); - - clks[BCM2835_PLLA_CORE] = - bcm2835_register_pll_divider(cprman, &bcm2835_plla_core_data); - clks[BCM2835_PLLA_PER] = - bcm2835_register_pll_divider(cprman, &bcm2835_plla_per_data); - clks[BCM2835_PLLC_CORE0] = - bcm2835_register_pll_divider(cprman, &bcm2835_pllc_core0_data); - clks[BCM2835_PLLC_CORE1] = - bcm2835_register_pll_divider(cprman, &bcm2835_pllc_core1_data); - clks[BCM2835_PLLC_CORE2] = - bcm2835_register_pll_divider(cprman, &bcm2835_pllc_core2_data); - clks[BCM2835_PLLC_PER] = - bcm2835_register_pll_divider(cprman, &bcm2835_pllc_per_data); - clks[BCM2835_PLLD_CORE] = - bcm2835_register_pll_divider(cprman, &bcm2835_plld_core_data); - clks[BCM2835_PLLD_PER] = - bcm2835_register_pll_divider(cprman, &bcm2835_plld_per_data); - clks[BCM2835_PLLH_RCAL] = - bcm2835_register_pll_divider(cprman, &bcm2835_pllh_rcal_data); - clks[BCM2835_PLLH_AUX] = - bcm2835_register_pll_divider(cprman, &bcm2835_pllh_aux_data); - clks[BCM2835_PLLH_PIX] = - bcm2835_register_pll_divider(cprman, &bcm2835_pllh_pix_data); - - clks[BCM2835_CLOCK_TIMER] = - bcm2835_register_clock(cprman, &bcm2835_clock_timer_data); - clks[BCM2835_CLOCK_OTP] = - bcm2835_register_clock(cprman, &bcm2835_clock_otp_data); - clks[BCM2835_CLOCK_TSENS] = - bcm2835_register_clock(cprman, &bcm2835_clock_tsens_data); - clks[BCM2835_CLOCK_VPU] = - bcm2835_register_clock(cprman, &bcm2835_clock_vpu_data); - clks[BCM2835_CLOCK_V3D] = - bcm2835_register_clock(cprman, &bcm2835_clock_v3d_data); - clks[BCM2835_CLOCK_ISP] = - bcm2835_register_clock(cprman, &bcm2835_clock_isp_data); - clks[BCM2835_CLOCK_H264] = - bcm2835_register_clock(cprman, &bcm2835_clock_h264_data); - clks[BCM2835_CLOCK_V3D] = - bcm2835_register_clock(cprman, &bcm2835_clock_v3d_data); - clks[BCM2835_CLOCK_SDRAM] = - bcm2835_register_clock(cprman, &bcm2835_clock_sdram_data); - clks[BCM2835_CLOCK_UART] = - bcm2835_register_clock(cprman, &bcm2835_clock_uart_data); - clks[BCM2835_CLOCK_VEC] = - bcm2835_register_clock(cprman, &bcm2835_clock_vec_data); - clks[BCM2835_CLOCK_HSM] = - bcm2835_register_clock(cprman, &bcm2835_clock_hsm_data); - clks[BCM2835_CLOCK_EMMC] = - bcm2835_register_clock(cprman, &bcm2835_clock_emmc_data); - - /* - * CM_PERIICTL (and CM_PERIACTL, CM_SYSCTL and CM_VPUCTL if - * you have the debug bit set in the power manager, which we - * don't bother exposing) are individual gates off of the - * non-stop vpu clock. - */ - clks[BCM2835_CLOCK_PERI_IMAGE] = - clk_register_gate(dev, "peri_image", "vpu", - CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, - cprman->regs + CM_PERIICTL, CM_GATE_BIT, - 0, &cprman->regs_lock); - - clks[BCM2835_CLOCK_PWM] = - bcm2835_register_clock(cprman, &bcm2835_clock_pwm_data); + for (i = 0; i < asize; i++) { + desc = &clk_desc_array[i]; + if (desc->clk_register && desc->data) + clks[i] = desc->clk_register(cprman, desc->data); + } return of_clk_add_provider(dev->of_node, of_clk_src_onecell_get, &cprman->onecell); diff --git a/drivers/clk/bcm/clk-kona-setup.c b/drivers/clk/bcm/clk-kona-setup.c index deaa7f9..526b0b0 100644 --- a/drivers/clk/bcm/clk-kona-setup.c +++ b/drivers/clk/bcm/clk-kona-setup.c @@ -577,7 +577,8 @@ static u32 *parent_process(const char *clocks[], * selector is not required, but we allocate space for the * array anyway to keep things simple. */ - parent_names = kmalloc(parent_count * sizeof(parent_names), GFP_KERNEL); + parent_names = kmalloc_array(parent_count, sizeof(*parent_names), + GFP_KERNEL); if (!parent_names) { pr_err("%s: error allocating %u parent names\n", __func__, parent_count); diff --git a/drivers/clk/clk-clps711x.c b/drivers/clk/clk-clps711x.c index ff4ef4f..1f60b02 100644 --- a/drivers/clk/clk-clps711x.c +++ b/drivers/clk/clk-clps711x.c @@ -107,16 +107,15 @@ static struct clps711x_clk * __init _clps711x_clk_init(void __iomem *base, writel(tmp, base + CLPS711X_SYSCON1); clps711x_clk->clks[CLPS711X_CLK_DUMMY] = - clk_register_fixed_rate(NULL, "dummy", NULL, CLK_IS_ROOT, 0); + clk_register_fixed_rate(NULL, "dummy", NULL, 0, 0); clps711x_clk->clks[CLPS711X_CLK_CPU] = - clk_register_fixed_rate(NULL, "cpu", NULL, CLK_IS_ROOT, f_cpu); + clk_register_fixed_rate(NULL, "cpu", NULL, 0, f_cpu); clps711x_clk->clks[CLPS711X_CLK_BUS] = - clk_register_fixed_rate(NULL, "bus", NULL, CLK_IS_ROOT, f_bus); + clk_register_fixed_rate(NULL, "bus", NULL, 0, f_bus); clps711x_clk->clks[CLPS711X_CLK_PLL] = - clk_register_fixed_rate(NULL, "pll", NULL, CLK_IS_ROOT, f_pll); + clk_register_fixed_rate(NULL, "pll", NULL, 0, f_pll); clps711x_clk->clks[CLPS711X_CLK_TIMERREF] = - clk_register_fixed_rate(NULL, "timer_ref", NULL, CLK_IS_ROOT, - f_tim); + clk_register_fixed_rate(NULL, "timer_ref", NULL, 0, f_tim); clps711x_clk->clks[CLPS711X_CLK_TIMER1] = clk_register_divider_table(NULL, "timer1", "timer_ref", 0, base + CLPS711X_SYSCON1, 5, 1, 0, @@ -126,10 +125,9 @@ static struct clps711x_clk * __init _clps711x_clk_init(void __iomem *base, base + CLPS711X_SYSCON1, 7, 1, 0, timer_div_table, &clps711x_clk->lock); clps711x_clk->clks[CLPS711X_CLK_PWM] = - clk_register_fixed_rate(NULL, "pwm", NULL, CLK_IS_ROOT, f_pwm); + clk_register_fixed_rate(NULL, "pwm", NULL, 0, f_pwm); clps711x_clk->clks[CLPS711X_CLK_SPIREF] = - clk_register_fixed_rate(NULL, "spi_ref", NULL, CLK_IS_ROOT, - f_spi); + clk_register_fixed_rate(NULL, "spi_ref", NULL, 0, f_spi); clps711x_clk->clks[CLPS711X_CLK_SPI] = clk_register_divider_table(NULL, "spi", "spi_ref", 0, base + CLPS711X_SYSCON1, 16, 2, 0, @@ -137,8 +135,7 @@ static struct clps711x_clk * __init _clps711x_clk_init(void __iomem *base, clps711x_clk->clks[CLPS711X_CLK_UART] = clk_register_fixed_factor(NULL, "uart", "bus", 0, 1, 10); clps711x_clk->clks[CLPS711X_CLK_TICK] = - clk_register_fixed_rate(NULL, "tick", NULL, CLK_IS_ROOT, 64); - + clk_register_fixed_rate(NULL, "tick", NULL, 0, 64); for (i = 0; i < CLPS711X_CLK_MAX; i++) if (IS_ERR(clps711x_clk->clks[i])) pr_err("clk %i: register failed with %ld\n", diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c index 1f903e1f8..00269de 100644 --- a/drivers/clk/clk-composite.c +++ b/drivers/clk/clk-composite.c @@ -151,6 +151,33 @@ static int clk_composite_set_rate(struct clk_hw *hw, unsigned long rate, return rate_ops->set_rate(rate_hw, rate, parent_rate); } +static int clk_composite_set_rate_and_parent(struct clk_hw *hw, + unsigned long rate, + unsigned long parent_rate, + u8 index) +{ + struct clk_composite *composite = to_clk_composite(hw); + const struct clk_ops *rate_ops = composite->rate_ops; + const struct clk_ops *mux_ops = composite->mux_ops; + struct clk_hw *rate_hw = composite->rate_hw; + struct clk_hw *mux_hw = composite->mux_hw; + unsigned long temp_rate; + + __clk_hw_set_clk(rate_hw, hw); + __clk_hw_set_clk(mux_hw, hw); + + temp_rate = rate_ops->recalc_rate(rate_hw, parent_rate); + if (temp_rate > rate) { + rate_ops->set_rate(rate_hw, rate, parent_rate); + mux_ops->set_parent(mux_hw, index); + } else { + mux_ops->set_parent(mux_hw, index); + rate_ops->set_rate(rate_hw, rate, parent_rate); + } + + return 0; +} + static int clk_composite_is_enabled(struct clk_hw *hw) { struct clk_composite *composite = to_clk_composite(hw); @@ -184,17 +211,18 @@ static void clk_composite_disable(struct clk_hw *hw) gate_ops->disable(gate_hw); } -struct clk *clk_register_composite(struct device *dev, const char *name, +struct clk_hw *clk_hw_register_composite(struct device *dev, const char *name, const char * const *parent_names, int num_parents, struct clk_hw *mux_hw, const struct clk_ops *mux_ops, struct clk_hw *rate_hw, const struct clk_ops *rate_ops, struct clk_hw *gate_hw, const struct clk_ops *gate_ops, unsigned long flags) { - struct clk *clk; + struct clk_hw *hw; struct clk_init_data init; struct clk_composite *composite; struct clk_ops *clk_composite_ops; + int ret; composite = kzalloc(sizeof(*composite), GFP_KERNEL); if (!composite) @@ -204,12 +232,13 @@ struct clk *clk_register_composite(struct device *dev, const char *name, init.flags = flags | CLK_IS_BASIC; init.parent_names = parent_names; init.num_parents = num_parents; + hw = &composite->hw; clk_composite_ops = &composite->ops; if (mux_hw && mux_ops) { if (!mux_ops->get_parent) { - clk = ERR_PTR(-EINVAL); + hw = ERR_PTR(-EINVAL); goto err; } @@ -224,7 +253,7 @@ struct clk *clk_register_composite(struct device *dev, const char *name, if (rate_hw && rate_ops) { if (!rate_ops->recalc_rate) { - clk = ERR_PTR(-EINVAL); + hw = ERR_PTR(-EINVAL); goto err; } clk_composite_ops->recalc_rate = clk_composite_recalc_rate; @@ -250,10 +279,16 @@ struct clk *clk_register_composite(struct device *dev, const char *name, composite->rate_ops = rate_ops; } + if (mux_hw && mux_ops && rate_hw && rate_ops) { + if (mux_ops->set_parent && rate_ops->set_rate) + clk_composite_ops->set_rate_and_parent = + clk_composite_set_rate_and_parent; + } + if (gate_hw && gate_ops) { if (!gate_ops->is_enabled || !gate_ops->enable || !gate_ops->disable) { - clk = ERR_PTR(-EINVAL); + hw = ERR_PTR(-EINVAL); goto err; } @@ -267,22 +302,56 @@ struct clk *clk_register_composite(struct device *dev, const char *name, init.ops = clk_composite_ops; composite->hw.init = &init; - clk = clk_register(dev, &composite->hw); - if (IS_ERR(clk)) + ret = clk_hw_register(dev, hw); + if (ret) { + hw = ERR_PTR(ret); goto err; + } if (composite->mux_hw) - composite->mux_hw->clk = clk; + composite->mux_hw->clk = hw->clk; if (composite->rate_hw) - composite->rate_hw->clk = clk; + composite->rate_hw->clk = hw->clk; if (composite->gate_hw) - composite->gate_hw->clk = clk; + composite->gate_hw->clk = hw->clk; - return clk; + return hw; err: kfree(composite); - return clk; + return hw; +} + +struct clk *clk_register_composite(struct device *dev, const char *name, + const char * const *parent_names, int num_parents, + struct clk_hw *mux_hw, const struct clk_ops *mux_ops, + struct clk_hw *rate_hw, const struct clk_ops *rate_ops, + struct clk_hw *gate_hw, const struct clk_ops *gate_ops, + unsigned long flags) +{ + struct clk_hw *hw; + + hw = clk_hw_register_composite(dev, name, parent_names, num_parents, + mux_hw, mux_ops, rate_hw, rate_ops, gate_hw, gate_ops, + flags); + if (IS_ERR(hw)) + return ERR_CAST(hw); + return hw->clk; +} + +void clk_unregister_composite(struct clk *clk) +{ + struct clk_composite *composite; + struct clk_hw *hw; + + hw = __clk_get_hw(clk); + if (!hw) + return; + + composite = to_clk_composite(hw); + + clk_unregister(clk); + kfree(composite); } diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c index 00e035b..a0f55bc 100644 --- a/drivers/clk/clk-divider.c +++ b/drivers/clk/clk-divider.c @@ -426,15 +426,16 @@ const struct clk_ops clk_divider_ro_ops = { }; EXPORT_SYMBOL_GPL(clk_divider_ro_ops); -static struct clk *_register_divider(struct device *dev, const char *name, +static struct clk_hw *_register_divider(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u8 shift, u8 width, u8 clk_divider_flags, const struct clk_div_table *table, spinlock_t *lock) { struct clk_divider *div; - struct clk *clk; + struct clk_hw *hw; struct clk_init_data init; + int ret; if (clk_divider_flags & CLK_DIVIDER_HIWORD_MASK) { if (width + shift > 16) { @@ -467,12 +468,14 @@ static struct clk *_register_divider(struct device *dev, const char *name, div->table = table; /* register the clock */ - clk = clk_register(dev, &div->hw); - - if (IS_ERR(clk)) + hw = &div->hw; + ret = clk_hw_register(dev, hw); + if (ret) { kfree(div); + hw = ERR_PTR(ret); + } - return clk; + return hw; } /** @@ -492,12 +495,39 @@ struct clk *clk_register_divider(struct device *dev, const char *name, void __iomem *reg, u8 shift, u8 width, u8 clk_divider_flags, spinlock_t *lock) { - return _register_divider(dev, name, parent_name, flags, reg, shift, + struct clk_hw *hw; + + hw = _register_divider(dev, name, parent_name, flags, reg, shift, width, clk_divider_flags, NULL, lock); + if (IS_ERR(hw)) + return ERR_CAST(hw); + return hw->clk; } EXPORT_SYMBOL_GPL(clk_register_divider); /** + * clk_hw_register_divider - register a divider clock with the clock framework + * @dev: device registering this clock + * @name: name of this clock + * @parent_name: name of clock's parent + * @flags: framework-specific flags + * @reg: register address to adjust divider + * @shift: number of bits to shift the bitfield + * @width: width of the bitfield + * @clk_divider_flags: divider-specific flags for this clock + * @lock: shared register lock for this clock + */ +struct clk_hw *clk_hw_register_divider(struct device *dev, const char *name, + const char *parent_name, unsigned long flags, + void __iomem *reg, u8 shift, u8 width, + u8 clk_divider_flags, spinlock_t *lock) +{ + return _register_divider(dev, name, parent_name, flags, reg, shift, + width, clk_divider_flags, NULL, lock); +} +EXPORT_SYMBOL_GPL(clk_hw_register_divider); + +/** * clk_register_divider_table - register a table based divider clock with * the clock framework * @dev: device registering this clock @@ -517,11 +547,41 @@ struct clk *clk_register_divider_table(struct device *dev, const char *name, u8 clk_divider_flags, const struct clk_div_table *table, spinlock_t *lock) { - return _register_divider(dev, name, parent_name, flags, reg, shift, + struct clk_hw *hw; + + hw = _register_divider(dev, name, parent_name, flags, reg, shift, width, clk_divider_flags, table, lock); + if (IS_ERR(hw)) + return ERR_CAST(hw); + return hw->clk; } EXPORT_SYMBOL_GPL(clk_register_divider_table); +/** + * clk_hw_register_divider_table - register a table based divider clock with + * the clock framework + * @dev: device registering this clock + * @name: name of this clock + * @parent_name: name of clock's parent + * @flags: framework-specific flags + * @reg: register address to adjust divider + * @shift: number of bits to shift the bitfield + * @width: width of the bitfield + * @clk_divider_flags: divider-specific flags for this clock + * @table: array of divider/value pairs ending with a div set to 0 + * @lock: shared register lock for this clock + */ +struct clk_hw *clk_hw_register_divider_table(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, + void __iomem *reg, u8 shift, u8 width, + u8 clk_divider_flags, const struct clk_div_table *table, + spinlock_t *lock) +{ + return _register_divider(dev, name, parent_name, flags, reg, shift, + width, clk_divider_flags, table, lock); +} +EXPORT_SYMBOL_GPL(clk_hw_register_divider_table); + void clk_unregister_divider(struct clk *clk) { struct clk_divider *div; @@ -537,3 +597,18 @@ void clk_unregister_divider(struct clk *clk) kfree(div); } EXPORT_SYMBOL_GPL(clk_unregister_divider); + +/** + * clk_hw_unregister_divider - unregister a clk divider + * @hw: hardware-specific clock data to unregister + */ +void clk_hw_unregister_divider(struct clk_hw *hw) +{ + struct clk_divider *div; + + div = to_clk_divider(hw); + + clk_hw_unregister(hw); + kfree(div); +} +EXPORT_SYMBOL_GPL(clk_hw_unregister_divider); diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c index 053448e..75cd6c7 100644 --- a/drivers/clk/clk-fixed-factor.c +++ b/drivers/clk/clk-fixed-factor.c @@ -68,13 +68,14 @@ const struct clk_ops clk_fixed_factor_ops = { }; EXPORT_SYMBOL_GPL(clk_fixed_factor_ops); -struct clk *clk_register_fixed_factor(struct device *dev, const char *name, - const char *parent_name, unsigned long flags, +struct clk_hw *clk_hw_register_fixed_factor(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, unsigned int mult, unsigned int div) { struct clk_fixed_factor *fix; struct clk_init_data init; - struct clk *clk; + struct clk_hw *hw; + int ret; fix = kmalloc(sizeof(*fix), GFP_KERNEL); if (!fix) @@ -91,12 +92,28 @@ struct clk *clk_register_fixed_factor(struct device *dev, const char *name, init.parent_names = &parent_name; init.num_parents = 1; - clk = clk_register(dev, &fix->hw); - - if (IS_ERR(clk)) + hw = &fix->hw; + ret = clk_hw_register(dev, hw); + if (ret) { kfree(fix); + hw = ERR_PTR(ret); + } + + return hw; +} +EXPORT_SYMBOL_GPL(clk_hw_register_fixed_factor); + +struct clk *clk_register_fixed_factor(struct device *dev, const char *name, + const char *parent_name, unsigned long flags, + unsigned int mult, unsigned int div) +{ + struct clk_hw *hw; - return clk; + hw = clk_hw_register_fixed_factor(dev, name, parent_name, flags, mult, + div); + if (IS_ERR(hw)) + return ERR_CAST(hw); + return hw->clk; } EXPORT_SYMBOL_GPL(clk_register_fixed_factor); @@ -113,6 +130,17 @@ void clk_unregister_fixed_factor(struct clk *clk) } EXPORT_SYMBOL_GPL(clk_unregister_fixed_factor); +void clk_hw_unregister_fixed_factor(struct clk_hw *hw) +{ + struct clk_fixed_factor *fix; + + fix = to_clk_fixed_factor(hw); + + clk_hw_unregister(hw); + kfree(fix); +} +EXPORT_SYMBOL_GPL(clk_hw_unregister_fixed_factor); + #ifdef CONFIG_OF /** * of_fixed_factor_clk_setup() - Setup function for simple fixed factor clock diff --git a/drivers/clk/clk-fixed-rate.c b/drivers/clk/clk-fixed-rate.c index cd9dc92..8e4453e 100644 --- a/drivers/clk/clk-fixed-rate.c +++ b/drivers/clk/clk-fixed-rate.c @@ -45,8 +45,8 @@ const struct clk_ops clk_fixed_rate_ops = { EXPORT_SYMBOL_GPL(clk_fixed_rate_ops); /** - * clk_register_fixed_rate_with_accuracy - register fixed-rate clock with the - * clock framework + * clk_hw_register_fixed_rate_with_accuracy - register fixed-rate clock with + * the clock framework * @dev: device that is registering this clock * @name: name of this clock * @parent_name: name of clock's parent @@ -54,13 +54,14 @@ EXPORT_SYMBOL_GPL(clk_fixed_rate_ops); * @fixed_rate: non-adjustable clock rate * @fixed_accuracy: non-adjustable clock rate */ -struct clk *clk_register_fixed_rate_with_accuracy(struct device *dev, +struct clk_hw *clk_hw_register_fixed_rate_with_accuracy(struct device *dev, const char *name, const char *parent_name, unsigned long flags, unsigned long fixed_rate, unsigned long fixed_accuracy) { struct clk_fixed_rate *fixed; - struct clk *clk; + struct clk_hw *hw; struct clk_init_data init; + int ret; /* allocate fixed-rate clock */ fixed = kzalloc(sizeof(*fixed), GFP_KERNEL); @@ -79,22 +80,49 @@ struct clk *clk_register_fixed_rate_with_accuracy(struct device *dev, fixed->hw.init = &init; /* register the clock */ - clk = clk_register(dev, &fixed->hw); - if (IS_ERR(clk)) + hw = &fixed->hw; + ret = clk_hw_register(dev, hw); + if (ret) { kfree(fixed); + hw = ERR_PTR(ret); + } - return clk; + return hw; +} +EXPORT_SYMBOL_GPL(clk_hw_register_fixed_rate_with_accuracy); + +struct clk *clk_register_fixed_rate_with_accuracy(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, + unsigned long fixed_rate, unsigned long fixed_accuracy) +{ + struct clk_hw *hw; + + hw = clk_hw_register_fixed_rate_with_accuracy(dev, name, parent_name, + flags, fixed_rate, fixed_accuracy); + if (IS_ERR(hw)) + return ERR_CAST(hw); + return hw->clk; } EXPORT_SYMBOL_GPL(clk_register_fixed_rate_with_accuracy); /** - * clk_register_fixed_rate - register fixed-rate clock with the clock framework + * clk_hw_register_fixed_rate - register fixed-rate clock with the clock + * framework * @dev: device that is registering this clock * @name: name of this clock * @parent_name: name of clock's parent * @flags: framework-specific flags * @fixed_rate: non-adjustable clock rate */ +struct clk_hw *clk_hw_register_fixed_rate(struct device *dev, const char *name, + const char *parent_name, unsigned long flags, + unsigned long fixed_rate) +{ + return clk_hw_register_fixed_rate_with_accuracy(dev, name, parent_name, + flags, fixed_rate, 0); +} +EXPORT_SYMBOL_GPL(clk_hw_register_fixed_rate); + struct clk *clk_register_fixed_rate(struct device *dev, const char *name, const char *parent_name, unsigned long flags, unsigned long fixed_rate) diff --git a/drivers/clk/clk-fractional-divider.c b/drivers/clk/clk-fractional-divider.c index 1abcd76..aab9046 100644 --- a/drivers/clk/clk-fractional-divider.c +++ b/drivers/clk/clk-fractional-divider.c @@ -116,14 +116,15 @@ const struct clk_ops clk_fractional_divider_ops = { }; EXPORT_SYMBOL_GPL(clk_fractional_divider_ops); -struct clk *clk_register_fractional_divider(struct device *dev, +struct clk_hw *clk_hw_register_fractional_divider(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u8 mshift, u8 mwidth, u8 nshift, u8 nwidth, u8 clk_divider_flags, spinlock_t *lock) { struct clk_fractional_divider *fd; struct clk_init_data init; - struct clk *clk; + struct clk_hw *hw; + int ret; fd = kzalloc(sizeof(*fd), GFP_KERNEL); if (!fd) @@ -146,10 +147,39 @@ struct clk *clk_register_fractional_divider(struct device *dev, fd->lock = lock; fd->hw.init = &init; - clk = clk_register(dev, &fd->hw); - if (IS_ERR(clk)) + hw = &fd->hw; + ret = clk_hw_register(dev, hw); + if (ret) { kfree(fd); + hw = ERR_PTR(ret); + } + + return hw; +} +EXPORT_SYMBOL_GPL(clk_hw_register_fractional_divider); - return clk; +struct clk *clk_register_fractional_divider(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, + void __iomem *reg, u8 mshift, u8 mwidth, u8 nshift, u8 nwidth, + u8 clk_divider_flags, spinlock_t *lock) +{ + struct clk_hw *hw; + + hw = clk_hw_register_fractional_divider(dev, name, parent_name, flags, + reg, mshift, mwidth, nshift, nwidth, clk_divider_flags, + lock); + if (IS_ERR(hw)) + return ERR_CAST(hw); + return hw->clk; } EXPORT_SYMBOL_GPL(clk_register_fractional_divider); + +void clk_hw_unregister_fractional_divider(struct clk_hw *hw) +{ + struct clk_fractional_divider *fd; + + fd = to_clk_fd(hw); + + clk_hw_unregister(hw); + kfree(fd); +} diff --git a/drivers/clk/clk-gate.c b/drivers/clk/clk-gate.c index d0d8ec8..4e691e3 100644 --- a/drivers/clk/clk-gate.c +++ b/drivers/clk/clk-gate.c @@ -110,7 +110,7 @@ const struct clk_ops clk_gate_ops = { EXPORT_SYMBOL_GPL(clk_gate_ops); /** - * clk_register_gate - register a gate clock with the clock framework + * clk_hw_register_gate - register a gate clock with the clock framework * @dev: device that is registering this clock * @name: name of this clock * @parent_name: name of this clock's parent @@ -120,14 +120,15 @@ EXPORT_SYMBOL_GPL(clk_gate_ops); * @clk_gate_flags: gate-specific flags for this clock * @lock: shared register lock for this clock */ -struct clk *clk_register_gate(struct device *dev, const char *name, +struct clk_hw *clk_hw_register_gate(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u8 bit_idx, u8 clk_gate_flags, spinlock_t *lock) { struct clk_gate *gate; - struct clk *clk; + struct clk_hw *hw; struct clk_init_data init; + int ret; if (clk_gate_flags & CLK_GATE_HIWORD_MASK) { if (bit_idx > 15) { @@ -154,12 +155,29 @@ struct clk *clk_register_gate(struct device *dev, const char *name, gate->lock = lock; gate->hw.init = &init; - clk = clk_register(dev, &gate->hw); - - if (IS_ERR(clk)) + hw = &gate->hw; + ret = clk_hw_register(dev, hw); + if (ret) { kfree(gate); + hw = ERR_PTR(ret); + } - return clk; + return hw; +} +EXPORT_SYMBOL_GPL(clk_hw_register_gate); + +struct clk *clk_register_gate(struct device *dev, const char *name, + const char *parent_name, unsigned long flags, + void __iomem *reg, u8 bit_idx, + u8 clk_gate_flags, spinlock_t *lock) +{ + struct clk_hw *hw; + + hw = clk_hw_register_gate(dev, name, parent_name, flags, reg, + bit_idx, clk_gate_flags, lock); + if (IS_ERR(hw)) + return ERR_CAST(hw); + return hw->clk; } EXPORT_SYMBOL_GPL(clk_register_gate); @@ -178,3 +196,14 @@ void clk_unregister_gate(struct clk *clk) kfree(gate); } EXPORT_SYMBOL_GPL(clk_unregister_gate); + +void clk_hw_unregister_gate(struct clk_hw *hw) +{ + struct clk_gate *gate; + + gate = to_clk_gate(hw); + + clk_hw_unregister(hw); + kfree(gate); +} +EXPORT_SYMBOL_GPL(clk_hw_unregister_gate); diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c index 08f65ac..86b2457 100644 --- a/drivers/clk/clk-gpio.c +++ b/drivers/clk/clk-gpio.c @@ -94,13 +94,13 @@ const struct clk_ops clk_gpio_mux_ops = { }; EXPORT_SYMBOL_GPL(clk_gpio_mux_ops); -static struct clk *clk_register_gpio(struct device *dev, const char *name, +static struct clk_hw *clk_register_gpio(struct device *dev, const char *name, const char * const *parent_names, u8 num_parents, unsigned gpio, bool active_low, unsigned long flags, const struct clk_ops *clk_gpio_ops) { struct clk_gpio *clk_gpio; - struct clk *clk; + struct clk_hw *hw; struct clk_init_data init = {}; unsigned long gpio_flags; int err; @@ -141,24 +141,26 @@ static struct clk *clk_register_gpio(struct device *dev, const char *name, clk_gpio->gpiod = gpio_to_desc(gpio); clk_gpio->hw.init = &init; + hw = &clk_gpio->hw; if (dev) - clk = devm_clk_register(dev, &clk_gpio->hw); + err = devm_clk_hw_register(dev, hw); else - clk = clk_register(NULL, &clk_gpio->hw); + err = clk_hw_register(NULL, hw); - if (!IS_ERR(clk)) - return clk; + if (!err) + return hw; if (!dev) { gpiod_put(clk_gpio->gpiod); kfree(clk_gpio); } - return clk; + return ERR_PTR(err); } /** - * clk_register_gpio_gate - register a gpio clock gate with the clock framework + * clk_hw_register_gpio_gate - register a gpio clock gate with the clock + * framework * @dev: device that is registering this clock * @name: name of this clock * @parent_name: name of this clock's parent @@ -166,7 +168,7 @@ static struct clk *clk_register_gpio(struct device *dev, const char *name, * @active_low: true if gpio should be set to 0 to enable clock * @flags: clock flags */ -struct clk *clk_register_gpio_gate(struct device *dev, const char *name, +struct clk_hw *clk_hw_register_gpio_gate(struct device *dev, const char *name, const char *parent_name, unsigned gpio, bool active_low, unsigned long flags) { @@ -175,10 +177,24 @@ struct clk *clk_register_gpio_gate(struct device *dev, const char *name, (parent_name ? 1 : 0), gpio, active_low, flags, &clk_gpio_gate_ops); } +EXPORT_SYMBOL_GPL(clk_hw_register_gpio_gate); + +struct clk *clk_register_gpio_gate(struct device *dev, const char *name, + const char *parent_name, unsigned gpio, bool active_low, + unsigned long flags) +{ + struct clk_hw *hw; + + hw = clk_hw_register_gpio_gate(dev, name, parent_name, gpio, active_low, + flags); + if (IS_ERR(hw)) + return ERR_CAST(hw); + return hw->clk; +} EXPORT_SYMBOL_GPL(clk_register_gpio_gate); /** - * clk_register_gpio_mux - register a gpio clock mux with the clock framework + * clk_hw_register_gpio_mux - register a gpio clock mux with the clock framework * @dev: device that is registering this clock * @name: name of this clock * @parent_names: names of this clock's parents @@ -187,7 +203,7 @@ EXPORT_SYMBOL_GPL(clk_register_gpio_gate); * @active_low: true if gpio should be set to 0 to enable clock * @flags: clock flags */ -struct clk *clk_register_gpio_mux(struct device *dev, const char *name, +struct clk_hw *clk_hw_register_gpio_mux(struct device *dev, const char *name, const char * const *parent_names, u8 num_parents, unsigned gpio, bool active_low, unsigned long flags) { @@ -199,6 +215,20 @@ struct clk *clk_register_gpio_mux(struct device *dev, const char *name, return clk_register_gpio(dev, name, parent_names, num_parents, gpio, active_low, flags, &clk_gpio_mux_ops); } +EXPORT_SYMBOL_GPL(clk_hw_register_gpio_mux); + +struct clk *clk_register_gpio_mux(struct device *dev, const char *name, + const char * const *parent_names, u8 num_parents, unsigned gpio, + bool active_low, unsigned long flags) +{ + struct clk_hw *hw; + + hw = clk_hw_register_gpio_mux(dev, name, parent_names, num_parents, + gpio, active_low, flags); + if (IS_ERR(hw)) + return ERR_CAST(hw); + return hw->clk; +} EXPORT_SYMBOL_GPL(clk_register_gpio_mux); static int gpio_clk_driver_probe(struct platform_device *pdev) diff --git a/drivers/clk/clk-ls1x.c b/drivers/clk/clk-ls1x.c index d4c6198..5097831 100644 --- a/drivers/clk/clk-ls1x.c +++ b/drivers/clk/clk-ls1x.c @@ -88,8 +88,7 @@ void __init ls1x_clk_init(void) { struct clk *clk; - clk = clk_register_fixed_rate(NULL, "osc_33m_clk", NULL, CLK_IS_ROOT, - OSC); + clk = clk_register_fixed_rate(NULL, "osc_33m_clk", NULL, 0, OSC); clk_register_clkdev(clk, "osc_33m_clk", NULL); /* clock derived from 33 MHz OSC clk */ diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c index 252188f..16a3d57 100644 --- a/drivers/clk/clk-mux.c +++ b/drivers/clk/clk-mux.c @@ -113,16 +113,17 @@ const struct clk_ops clk_mux_ro_ops = { }; EXPORT_SYMBOL_GPL(clk_mux_ro_ops); -struct clk *clk_register_mux_table(struct device *dev, const char *name, +struct clk_hw *clk_hw_register_mux_table(struct device *dev, const char *name, const char * const *parent_names, u8 num_parents, unsigned long flags, void __iomem *reg, u8 shift, u32 mask, u8 clk_mux_flags, u32 *table, spinlock_t *lock) { struct clk_mux *mux; - struct clk *clk; + struct clk_hw *hw; struct clk_init_data init; u8 width = 0; + int ret; if (clk_mux_flags & CLK_MUX_HIWORD_MASK) { width = fls(mask) - ffs(mask) + 1; @@ -157,12 +158,31 @@ struct clk *clk_register_mux_table(struct device *dev, const char *name, mux->table = table; mux->hw.init = &init; - clk = clk_register(dev, &mux->hw); - - if (IS_ERR(clk)) + hw = &mux->hw; + ret = clk_hw_register(dev, hw); + if (ret) { kfree(mux); + hw = ERR_PTR(ret); + } - return clk; + return hw; +} +EXPORT_SYMBOL_GPL(clk_hw_register_mux_table); + +struct clk *clk_register_mux_table(struct device *dev, const char *name, + const char * const *parent_names, u8 num_parents, + unsigned long flags, + void __iomem *reg, u8 shift, u32 mask, + u8 clk_mux_flags, u32 *table, spinlock_t *lock) +{ + struct clk_hw *hw; + + hw = clk_hw_register_mux_table(dev, name, parent_names, num_parents, + flags, reg, shift, mask, clk_mux_flags, + table, lock); + if (IS_ERR(hw)) + return ERR_CAST(hw); + return hw->clk; } EXPORT_SYMBOL_GPL(clk_register_mux_table); @@ -180,6 +200,20 @@ struct clk *clk_register_mux(struct device *dev, const char *name, } EXPORT_SYMBOL_GPL(clk_register_mux); +struct clk_hw *clk_hw_register_mux(struct device *dev, const char *name, + const char * const *parent_names, u8 num_parents, + unsigned long flags, + void __iomem *reg, u8 shift, u8 width, + u8 clk_mux_flags, spinlock_t *lock) +{ + u32 mask = BIT(width) - 1; + + return clk_hw_register_mux_table(dev, name, parent_names, num_parents, + flags, reg, shift, mask, clk_mux_flags, + NULL, lock); +} +EXPORT_SYMBOL_GPL(clk_hw_register_mux); + void clk_unregister_mux(struct clk *clk) { struct clk_mux *mux; @@ -195,3 +229,14 @@ void clk_unregister_mux(struct clk *clk) kfree(mux); } EXPORT_SYMBOL_GPL(clk_unregister_mux); + +void clk_hw_unregister_mux(struct clk_hw *hw) +{ + struct clk_mux *mux; + + mux = to_clk_mux(hw); + + clk_hw_unregister(hw); + kfree(mux); +} +EXPORT_SYMBOL_GPL(clk_hw_unregister_mux); diff --git a/drivers/clk/clk-nspire.c b/drivers/clk/clk-nspire.c index a378db7..64f196a 100644 --- a/drivers/clk/clk-nspire.c +++ b/drivers/clk/clk-nspire.c @@ -125,8 +125,7 @@ static void __init nspire_clk_setup(struct device_node *node, of_property_read_string(node, "clock-output-names", &clk_name); - clk = clk_register_fixed_rate(NULL, clk_name, NULL, CLK_IS_ROOT, - info.base_clock); + clk = clk_register_fixed_rate(NULL, clk_name, NULL, 0, info.base_clock); if (!IS_ERR(clk)) of_clk_add_provider(node, of_clk_src_simple_get, clk); else diff --git a/drivers/clk/clk-oxnas.c b/drivers/clk/clk-oxnas.c new file mode 100644 index 0000000..efba7d4 --- /dev/null +++ b/drivers/clk/clk-oxnas.c @@ -0,0 +1,195 @@ +/* + * Copyright (C) 2010 Broadcom + * Copyright (C) 2012 Stephen Warren + * Copyright (C) 2016 Neil Armstrong <narmstrong@baylibre.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/clk-provider.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/stringify.h> +#include <linux/regmap.h> +#include <linux/mfd/syscon.h> + +/* Standard regmap gate clocks */ +struct clk_oxnas { + struct clk_hw hw; + signed char bit; + struct regmap *regmap; +}; + +/* Regmap offsets */ +#define CLK_STAT_REGOFFSET 0x24 +#define CLK_SET_REGOFFSET 0x2c +#define CLK_CLR_REGOFFSET 0x30 + +static inline struct clk_oxnas *to_clk_oxnas(struct clk_hw *hw) +{ + return container_of(hw, struct clk_oxnas, hw); +} + +static int oxnas_clk_is_enabled(struct clk_hw *hw) +{ + struct clk_oxnas *std = to_clk_oxnas(hw); + int ret; + unsigned int val; + + ret = regmap_read(std->regmap, CLK_STAT_REGOFFSET, &val); + if (ret < 0) + return ret; + + return val & BIT(std->bit); +} + +static int oxnas_clk_enable(struct clk_hw *hw) +{ + struct clk_oxnas *std = to_clk_oxnas(hw); + + regmap_write(std->regmap, CLK_SET_REGOFFSET, BIT(std->bit)); + + return 0; +} + +static void oxnas_clk_disable(struct clk_hw *hw) +{ + struct clk_oxnas *std = to_clk_oxnas(hw); + + regmap_write(std->regmap, CLK_CLR_REGOFFSET, BIT(std->bit)); +} + +static const struct clk_ops oxnas_clk_ops = { + .enable = oxnas_clk_enable, + .disable = oxnas_clk_disable, + .is_enabled = oxnas_clk_is_enabled, +}; + +static const char *const oxnas_clk_parents[] = { + "oscillator", +}; + +static const char *const eth_parents[] = { + "gmacclk", +}; + +#define DECLARE_STD_CLKP(__clk, __parent) \ +static const struct clk_init_data clk_##__clk##_init = { \ + .name = __stringify(__clk), \ + .ops = &oxnas_clk_ops, \ + .parent_names = __parent, \ + .num_parents = ARRAY_SIZE(__parent), \ +} + +#define DECLARE_STD_CLK(__clk) DECLARE_STD_CLKP(__clk, oxnas_clk_parents) + +/* Hardware Bit - Clock association */ +struct clk_oxnas_init_data { + unsigned long bit; + const struct clk_init_data *clk_init; +}; + +/* Clk init data declaration */ +DECLARE_STD_CLK(leon); +DECLARE_STD_CLK(dma_sgdma); +DECLARE_STD_CLK(cipher); +DECLARE_STD_CLK(sata); +DECLARE_STD_CLK(audio); +DECLARE_STD_CLK(usbmph); +DECLARE_STD_CLKP(etha, eth_parents); +DECLARE_STD_CLK(pciea); +DECLARE_STD_CLK(nand); + +/* Table index is clock indice */ +static const struct clk_oxnas_init_data clk_oxnas_init[] = { + [0] = {0, &clk_leon_init}, + [1] = {1, &clk_dma_sgdma_init}, + [2] = {2, &clk_cipher_init}, + /* Skip & Do not touch to DDR clock */ + [3] = {4, &clk_sata_init}, + [4] = {5, &clk_audio_init}, + [5] = {6, &clk_usbmph_init}, + [6] = {7, &clk_etha_init}, + [7] = {8, &clk_pciea_init}, + [8] = {9, &clk_nand_init}, +}; + +struct clk_oxnas_data { + struct clk_oxnas clk_oxnas[ARRAY_SIZE(clk_oxnas_init)]; + struct clk_onecell_data onecell_data[ARRAY_SIZE(clk_oxnas_init)]; + struct clk *clks[ARRAY_SIZE(clk_oxnas_init)]; +}; + +static int oxnas_stdclk_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct clk_oxnas_data *clk_oxnas; + struct regmap *regmap; + int i; + + clk_oxnas = devm_kzalloc(&pdev->dev, sizeof(*clk_oxnas), GFP_KERNEL); + if (!clk_oxnas) + return -ENOMEM; + + regmap = syscon_node_to_regmap(of_get_parent(np)); + if (!regmap) { + dev_err(&pdev->dev, "failed to have parent regmap\n"); + return -EINVAL; + } + + for (i = 0; i < ARRAY_SIZE(clk_oxnas_init); i++) { + struct clk_oxnas *_clk; + + _clk = &clk_oxnas->clk_oxnas[i]; + _clk->bit = clk_oxnas_init[i].bit; + _clk->hw.init = clk_oxnas_init[i].clk_init; + _clk->regmap = regmap; + + clk_oxnas->clks[i] = + devm_clk_register(&pdev->dev, &_clk->hw); + if (WARN_ON(IS_ERR(clk_oxnas->clks[i]))) + return PTR_ERR(clk_oxnas->clks[i]); + } + + clk_oxnas->onecell_data->clks = clk_oxnas->clks; + clk_oxnas->onecell_data->clk_num = ARRAY_SIZE(clk_oxnas_init); + + return of_clk_add_provider(np, of_clk_src_onecell_get, + clk_oxnas->onecell_data); +} + +static int oxnas_stdclk_remove(struct platform_device *pdev) +{ + of_clk_del_provider(pdev->dev.of_node); + + return 0; +} + +static const struct of_device_id oxnas_stdclk_dt_ids[] = { + { .compatible = "oxsemi,ox810se-stdclk" }, + { } +}; +MODULE_DEVICE_TABLE(of, oxnas_stdclk_dt_ids); + +static struct platform_driver oxnas_stdclk_driver = { + .probe = oxnas_stdclk_probe, + .remove = oxnas_stdclk_remove, + .driver = { + .name = "oxnas-stdclk", + .of_match_table = oxnas_stdclk_dt_ids, + }, +}; + +module_platform_driver(oxnas_stdclk_driver); diff --git a/drivers/clk/clk-palmas.c b/drivers/clk/clk-palmas.c index 9c0b8e6..8328863 100644 --- a/drivers/clk/clk-palmas.c +++ b/drivers/clk/clk-palmas.c @@ -132,7 +132,7 @@ static const struct palmas_clks_of_match_data palmas_of_clk32kg = { .init = { .name = "clk32kg", .ops = &palmas_clks_ops, - .flags = CLK_IS_ROOT | CLK_IGNORE_UNUSED, + .flags = CLK_IGNORE_UNUSED, }, .desc = { .clk_name = "clk32kg", @@ -148,7 +148,7 @@ static const struct palmas_clks_of_match_data palmas_of_clk32kgaudio = { .init = { .name = "clk32kgaudio", .ops = &palmas_clks_ops, - .flags = CLK_IS_ROOT | CLK_IGNORE_UNUSED, + .flags = CLK_IGNORE_UNUSED, }, .desc = { .clk_name = "clk32kgaudio", diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c index 7bc1c45..58566a17 100644 --- a/drivers/clk/clk-qoriq.c +++ b/drivers/clk/clk-qoriq.c @@ -869,14 +869,15 @@ static void __init core_mux_init(struct device_node *np) } } -static struct clk *sysclk_from_fixed(struct device_node *node, const char *name) +static struct clk __init +*sysclk_from_fixed(struct device_node *node, const char *name) { u32 rate; if (of_property_read_u32(node, "clock-frequency", &rate)) return ERR_PTR(-ENODEV); - return clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, rate); + return clk_register_fixed_rate(NULL, name, NULL, 0, rate); } static struct clk *sysclk_from_parent(const char *name) diff --git a/drivers/clk/clk-rk808.c b/drivers/clk/clk-rk808.c index 0fee2f4..7438303 100644 --- a/drivers/clk/clk-rk808.c +++ b/drivers/clk/clk-rk808.c @@ -106,7 +106,6 @@ static int rk808_clkout_probe(struct platform_device *pdev) if (!clk_table) return -ENOMEM; - init.flags = CLK_IS_ROOT; init.parent_names = NULL; init.num_parents = 0; init.name = "rk808-clkout1"; diff --git a/drivers/clk/clk-tango4.c b/drivers/clk/clk-tango4.c index 004ab7d..eef75e3 100644 --- a/drivers/clk/clk-tango4.c +++ b/drivers/clk/clk-tango4.c @@ -4,17 +4,19 @@ #include <linux/init.h> #include <linux/io.h> -static struct clk *out[2]; -static struct clk_onecell_data clk_data = { out, 2 }; +#define CLK_COUNT 4 /* cpu_clk, sys_clk, usb_clk, sdio_clk */ +static struct clk *clks[CLK_COUNT]; +static struct clk_onecell_data clk_data = { clks, CLK_COUNT }; -#define SYSCLK_CTRL 0x20 -#define CPUCLK_CTRL 0x24 -#define LEGACY_DIV 0x3c +#define SYSCLK_DIV 0x20 +#define CPUCLK_DIV 0x24 +#define DIV_BYPASS BIT(23) -#define PLL_N(val) (((val) >> 0) & 0x7f) -#define PLL_K(val) (((val) >> 13) & 0x7) -#define PLL_M(val) (((val) >> 16) & 0x7) -#define DIV_INDEX(val) (((val) >> 8) & 0xf) +/*** CLKGEN_PLL ***/ +#define extract_pll_n(val) ((val >> 0) & ((1u << 7) - 1)) +#define extract_pll_k(val) ((val >> 13) & ((1u << 3) - 1)) +#define extract_pll_m(val) ((val >> 16) & ((1u << 3) - 1)) +#define extract_pll_isel(val) ((val >> 24) & ((1u << 3) - 1)) static void __init make_pll(int idx, const char *parent, void __iomem *base) { @@ -22,40 +24,61 @@ static void __init make_pll(int idx, const char *parent, void __iomem *base) u32 val, mul, div; sprintf(name, "pll%d", idx); - val = readl_relaxed(base + idx*8); - mul = PLL_N(val) + 1; - div = (PLL_M(val) + 1) << PLL_K(val); + val = readl(base + idx * 8); + mul = extract_pll_n(val) + 1; + div = (extract_pll_m(val) + 1) << extract_pll_k(val); clk_register_fixed_factor(NULL, name, parent, 0, mul, div); + if (extract_pll_isel(val) != 1) + panic("%s: input not set to XTAL_IN\n", name); } -static int __init get_div(void __iomem *base) +static void __init make_cd(int idx, void __iomem *base) { - u8 sysclk_tab[16] = { 2, 4, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4 }; - int idx = DIV_INDEX(readl_relaxed(base + LEGACY_DIV)); + char name[8]; + u32 val, mul, div; - return sysclk_tab[idx]; + sprintf(name, "cd%d", idx); + val = readl(base + idx * 8); + mul = 1 << 27; + div = (2 << 27) + val; + clk_register_fixed_factor(NULL, name, "pll2", 0, mul, div); + if (val > 0xf0000000) + panic("%s: unsupported divider %x\n", name, val); } static void __init tango4_clkgen_setup(struct device_node *np) { - int div, ret; + struct clk **pp = clk_data.clks; void __iomem *base = of_iomap(np, 0); const char *parent = of_clk_get_parent_name(np, 0); if (!base) - panic("%s: invalid address\n", np->full_name); + panic("%s: invalid address\n", np->name); + + if (readl(base + CPUCLK_DIV) & DIV_BYPASS) + panic("%s: unsupported cpuclk setup\n", np->name); + + if (readl(base + SYSCLK_DIV) & DIV_BYPASS) + panic("%s: unsupported sysclk setup\n", np->name); + + writel(0x100, base + CPUCLK_DIV); /* disable frequency ramping */ make_pll(0, parent, base); make_pll(1, parent, base); + make_pll(2, parent, base); + make_cd(2, base + 0x80); + make_cd(6, base + 0x80); - out[0] = clk_register_divider(NULL, "cpuclk", "pll0", 0, - base + CPUCLK_CTRL, 8, 8, CLK_DIVIDER_ONE_BASED, NULL); + pp[0] = clk_register_divider(NULL, "cpu_clk", "pll0", 0, + base + CPUCLK_DIV, 8, 8, CLK_DIVIDER_ONE_BASED, NULL); + pp[1] = clk_register_fixed_factor(NULL, "sys_clk", "pll1", 0, 1, 4); + pp[2] = clk_register_fixed_factor(NULL, "usb_clk", "cd2", 0, 1, 2); + pp[3] = clk_register_fixed_factor(NULL, "sdio_clk", "cd6", 0, 1, 2); - div = readl_relaxed(base + SYSCLK_CTRL) & BIT(23) ? get_div(base) : 4; - out[1] = clk_register_fixed_factor(NULL, "sysclk", "pll1", 0, 1, div); + if (IS_ERR(pp[0]) || IS_ERR(pp[1]) || IS_ERR(pp[2]) || IS_ERR(pp[3])) + panic("%s: clk registration failed\n", np->name); - ret = of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); - if (IS_ERR(out[0]) || IS_ERR(out[1]) || ret < 0) - panic("%s: clk registration failed\n", np->full_name); + if (of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data)) + panic("%s: clk provider registration failed\n", np->name); } CLK_OF_DECLARE(tango4_clkgen, "sigma,tango4-clkgen", tango4_clkgen_setup); diff --git a/drivers/clk/clk-twl6040.c b/drivers/clk/clk-twl6040.c index 8e5ed64..697c667 100644 --- a/drivers/clk/clk-twl6040.c +++ b/drivers/clk/clk-twl6040.c @@ -74,7 +74,6 @@ static const struct clk_ops twl6040_mcpdm_ops = { static struct clk_init_data wm831x_clkout_init = { .name = "mcpdm_fclk", .ops = &twl6040_mcpdm_ops, - .flags = CLK_IS_ROOT, }; static int twl6040_clk_probe(struct platform_device *pdev) diff --git a/drivers/clk/clk-wm831x.c b/drivers/clk/clk-wm831x.c index 43f9d15..88def4b 100644 --- a/drivers/clk/clk-wm831x.c +++ b/drivers/clk/clk-wm831x.c @@ -58,7 +58,6 @@ static const struct clk_ops wm831x_xtal_ops = { static struct clk_init_data wm831x_xtal_init = { .name = "xtal", .ops = &wm831x_xtal_ops, - .flags = CLK_IS_ROOT, }; static const unsigned long wm831x_fll_auto_rates[] = { diff --git a/drivers/clk/clk-xgene.c b/drivers/clk/clk-xgene.c index d73450b..3433132 100644 --- a/drivers/clk/clk-xgene.c +++ b/drivers/clk/clk-xgene.c @@ -198,7 +198,7 @@ static void xgene_pllclk_init(struct device_node *np, enum xgene_pll_type pll_ty of_property_read_string(np, "clock-output-names", &clk_name); clk = xgene_register_clk_pll(NULL, clk_name, of_clk_get_parent_name(np, 0), - CLK_IS_ROOT, reg, 0, pll_type, &clk_lock, + 0, reg, 0, pll_type, &clk_lock, version); if (!IS_ERR(clk)) { of_clk_add_provider(np, of_clk_src_simple_get, clk); diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index fb74dc1..d584004 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -574,6 +574,9 @@ static void clk_core_unprepare(struct clk_core *core) if (WARN_ON(core->prepare_count == 0)) return; + if (WARN_ON(core->prepare_count == 1 && core->flags & CLK_IS_CRITICAL)) + return; + if (--core->prepare_count > 0) return; @@ -679,6 +682,9 @@ static void clk_core_disable(struct clk_core *core) if (WARN_ON(core->enable_count == 0)) return; + if (WARN_ON(core->enable_count == 1 && core->flags & CLK_IS_CRITICAL)) + return; + if (--core->enable_count > 0) return; @@ -2397,6 +2403,16 @@ static int __clk_core_init(struct clk_core *core) if (core->ops->init) core->ops->init(core->hw); + if (core->flags & CLK_IS_CRITICAL) { + unsigned long flags; + + clk_core_prepare(core); + + flags = clk_enable_lock(); + clk_core_enable(core); + clk_enable_unlock(flags); + } + kref_init(&core->ref); out: clk_prepare_unlock(); @@ -2536,6 +2552,22 @@ fail_out: } EXPORT_SYMBOL_GPL(clk_register); +/** + * clk_hw_register - register a clk_hw and return an error code + * @dev: device that is registering this clock + * @hw: link to hardware-specific clock data + * + * clk_hw_register is the primary interface for populating the clock tree with + * new clock nodes. It returns an integer equal to zero indicating success or + * less than zero indicating failure. Drivers must test for an error code after + * calling clk_hw_register(). + */ +int clk_hw_register(struct device *dev, struct clk_hw *hw) +{ + return PTR_ERR_OR_ZERO(clk_register(dev, hw)); +} +EXPORT_SYMBOL_GPL(clk_hw_register); + /* Free memory allocated for a clock. */ static void __clk_release(struct kref *ref) { @@ -2637,11 +2669,26 @@ unlock: } EXPORT_SYMBOL_GPL(clk_unregister); +/** + * clk_hw_unregister - unregister a currently registered clk_hw + * @hw: hardware-specific clock data to unregister + */ +void clk_hw_unregister(struct clk_hw *hw) +{ + clk_unregister(hw->clk); +} +EXPORT_SYMBOL_GPL(clk_hw_unregister); + static void devm_clk_release(struct device *dev, void *res) { clk_unregister(*(struct clk **)res); } +static void devm_clk_hw_release(struct device *dev, void *res) +{ + clk_hw_unregister(*(struct clk_hw **)res); +} + /** * devm_clk_register - resource managed clk_register() * @dev: device that is registering this clock @@ -2672,6 +2719,36 @@ struct clk *devm_clk_register(struct device *dev, struct clk_hw *hw) } EXPORT_SYMBOL_GPL(devm_clk_register); +/** + * devm_clk_hw_register - resource managed clk_hw_register() + * @dev: device that is registering this clock + * @hw: link to hardware-specific clock data + * + * Managed clk_hw_register(). Clocks registered by this function are + * automatically clk_hw_unregister()ed on driver detach. See clk_hw_register() + * for more information. + */ +int devm_clk_hw_register(struct device *dev, struct clk_hw *hw) +{ + struct clk_hw **hwp; + int ret; + + hwp = devres_alloc(devm_clk_hw_release, sizeof(*hwp), GFP_KERNEL); + if (!hwp) + return -ENOMEM; + + ret = clk_hw_register(dev, hw); + if (!ret) { + *hwp = hw; + devres_add(dev, hwp); + } else { + devres_free(hwp); + } + + return ret; +} +EXPORT_SYMBOL_GPL(devm_clk_hw_register); + static int devm_clk_match(struct device *dev, void *res, void *data) { struct clk *c = res; @@ -2680,6 +2757,15 @@ static int devm_clk_match(struct device *dev, void *res, void *data) return c == data; } +static int devm_clk_hw_match(struct device *dev, void *res, void *data) +{ + struct clk_hw *hw = res; + + if (WARN_ON(!hw)) + return 0; + return hw == data; +} + /** * devm_clk_unregister - resource managed clk_unregister() * @clk: clock to unregister @@ -2694,6 +2780,22 @@ void devm_clk_unregister(struct device *dev, struct clk *clk) } EXPORT_SYMBOL_GPL(devm_clk_unregister); +/** + * devm_clk_hw_unregister - resource managed clk_hw_unregister() + * @dev: device that is unregistering the hardware-specific clock data + * @hw: link to hardware-specific clock data + * + * Unregister a clk_hw registered with devm_clk_hw_register(). Normally + * this function will not need to be called and the resource management + * code will ensure that the resource is freed. + */ +void devm_clk_hw_unregister(struct device *dev, struct clk_hw *hw) +{ + WARN_ON(devres_release(dev, devm_clk_hw_release, devm_clk_hw_match, + hw)); +} +EXPORT_SYMBOL_GPL(devm_clk_hw_unregister); + /* * clkdev helpers */ @@ -2855,6 +2957,7 @@ struct of_clk_provider { struct device_node *node; struct clk *(*get)(struct of_phandle_args *clkspec, void *data); + struct clk_hw *(*get_hw)(struct of_phandle_args *clkspec, void *data); void *data; }; @@ -2871,6 +2974,12 @@ struct clk *of_clk_src_simple_get(struct of_phandle_args *clkspec, } EXPORT_SYMBOL_GPL(of_clk_src_simple_get); +struct clk_hw *of_clk_hw_simple_get(struct of_phandle_args *clkspec, void *data) +{ + return data; +} +EXPORT_SYMBOL_GPL(of_clk_hw_simple_get); + struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data) { struct clk_onecell_data *clk_data = data; @@ -2885,6 +2994,21 @@ struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data) } EXPORT_SYMBOL_GPL(of_clk_src_onecell_get); +struct clk_hw * +of_clk_hw_onecell_get(struct of_phandle_args *clkspec, void *data) +{ + struct clk_hw_onecell_data *hw_data = data; + unsigned int idx = clkspec->args[0]; + + if (idx >= hw_data->num) { + pr_err("%s: invalid index %u\n", __func__, idx); + return ERR_PTR(-EINVAL); + } + + return hw_data->hws[idx]; +} +EXPORT_SYMBOL_GPL(of_clk_hw_onecell_get); + /** * of_clk_add_provider() - Register a clock provider for a node * @np: Device node pointer associated with clock provider @@ -2921,6 +3045,41 @@ int of_clk_add_provider(struct device_node *np, EXPORT_SYMBOL_GPL(of_clk_add_provider); /** + * of_clk_add_hw_provider() - Register a clock provider for a node + * @np: Device node pointer associated with clock provider + * @get: callback for decoding clk_hw + * @data: context pointer for @get callback. + */ +int of_clk_add_hw_provider(struct device_node *np, + struct clk_hw *(*get)(struct of_phandle_args *clkspec, + void *data), + void *data) +{ + struct of_clk_provider *cp; + int ret; + + cp = kzalloc(sizeof(*cp), GFP_KERNEL); + if (!cp) + return -ENOMEM; + + cp->node = of_node_get(np); + cp->data = data; + cp->get_hw = get; + + mutex_lock(&of_clk_mutex); + list_add(&cp->link, &of_clk_providers); + mutex_unlock(&of_clk_mutex); + pr_debug("Added clk_hw provider from %s\n", np->full_name); + + ret = of_clk_set_defaults(np, true); + if (ret < 0) + of_clk_del_provider(np); + + return ret; +} +EXPORT_SYMBOL_GPL(of_clk_add_hw_provider); + +/** * of_clk_del_provider() - Remove a previously registered clock provider * @np: Device node pointer associated with clock provider */ @@ -2941,11 +3100,32 @@ void of_clk_del_provider(struct device_node *np) } EXPORT_SYMBOL_GPL(of_clk_del_provider); +static struct clk_hw * +__of_clk_get_hw_from_provider(struct of_clk_provider *provider, + struct of_phandle_args *clkspec) +{ + struct clk *clk; + struct clk_hw *hw = ERR_PTR(-EPROBE_DEFER); + + if (provider->get_hw) { + hw = provider->get_hw(clkspec, provider->data); + } else if (provider->get) { + clk = provider->get(clkspec, provider->data); + if (!IS_ERR(clk)) + hw = __clk_get_hw(clk); + else + hw = ERR_CAST(clk); + } + + return hw; +} + struct clk *__of_clk_get_from_provider(struct of_phandle_args *clkspec, const char *dev_id, const char *con_id) { struct of_clk_provider *provider; struct clk *clk = ERR_PTR(-EPROBE_DEFER); + struct clk_hw *hw = ERR_PTR(-EPROBE_DEFER); if (!clkspec) return ERR_PTR(-EINVAL); @@ -2954,10 +3134,9 @@ struct clk *__of_clk_get_from_provider(struct of_phandle_args *clkspec, mutex_lock(&of_clk_mutex); list_for_each_entry(provider, &of_clk_providers, link) { if (provider->node == clkspec->np) - clk = provider->get(clkspec, provider->data); - if (!IS_ERR(clk)) { - clk = __clk_create_clk(__clk_get_hw(clk), dev_id, - con_id); + hw = __of_clk_get_hw_from_provider(provider, clkspec); + if (!IS_ERR(hw)) { + clk = __clk_create_clk(hw, dev_id, con_id); if (!IS_ERR(clk) && !__clk_get(clk)) { __clk_free_clk(clk); @@ -3127,6 +3306,41 @@ static int parent_ready(struct device_node *np) } /** + * of_clk_detect_critical() - set CLK_IS_CRITICAL flag from Device Tree + * @np: Device node pointer associated with clock provider + * @index: clock index + * @flags: pointer to clk_core->flags + * + * Detects if the clock-critical property exists and, if so, sets the + * corresponding CLK_IS_CRITICAL flag. + * + * Do not use this function. It exists only for legacy Device Tree + * bindings, such as the one-clock-per-node style that are outdated. + * Those bindings typically put all clock data into .dts and the Linux + * driver has no clock data, thus making it impossible to set this flag + * correctly from the driver. Only those drivers may call + * of_clk_detect_critical from their setup functions. + * + * Return: error code or zero on success + */ +int of_clk_detect_critical(struct device_node *np, + int index, unsigned long *flags) +{ + struct property *prop; + const __be32 *cur; + uint32_t idx; + + if (!np || !flags) + return -EINVAL; + + of_property_for_each_u32(np, "clock-critical", prop, cur, idx) + if (index == idx) + *flags |= CLK_IS_CRITICAL; + + return 0; +} + +/** * of_clk_init() - Scan and init clock providers from the DT * @matches: array of compatible values and init functions for providers. * diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c index eb20b94..89cc700 100644 --- a/drivers/clk/clkdev.c +++ b/drivers/clk/clkdev.c @@ -301,6 +301,20 @@ clkdev_alloc(struct clk *clk, const char *con_id, const char *dev_fmt, ...) } EXPORT_SYMBOL(clkdev_alloc); +struct clk_lookup * +clkdev_hw_alloc(struct clk_hw *hw, const char *con_id, const char *dev_fmt, ...) +{ + struct clk_lookup *cl; + va_list ap; + + va_start(ap, dev_fmt); + cl = vclkdev_alloc(hw, con_id, dev_fmt, ap); + va_end(ap); + + return cl; +} +EXPORT_SYMBOL(clkdev_hw_alloc); + /** * clkdev_create - allocate and add a clkdev lookup structure * @clk: struct clk to associate with all clk_lookups @@ -324,6 +338,29 @@ struct clk_lookup *clkdev_create(struct clk *clk, const char *con_id, } EXPORT_SYMBOL_GPL(clkdev_create); +/** + * clkdev_hw_create - allocate and add a clkdev lookup structure + * @hw: struct clk_hw to associate with all clk_lookups + * @con_id: connection ID string on device + * @dev_fmt: format string describing device name + * + * Returns a clk_lookup structure, which can be later unregistered and + * freed. + */ +struct clk_lookup *clkdev_hw_create(struct clk_hw *hw, const char *con_id, + const char *dev_fmt, ...) +{ + struct clk_lookup *cl; + va_list ap; + + va_start(ap, dev_fmt); + cl = vclkdev_create(hw, con_id, dev_fmt, ap); + va_end(ap); + + return cl; +} +EXPORT_SYMBOL_GPL(clkdev_hw_create); + int clk_add_alias(const char *alias, const char *alias_dev_name, const char *con_id, struct device *dev) { @@ -404,28 +441,28 @@ int clk_register_clkdev(struct clk *clk, const char *con_id, EXPORT_SYMBOL(clk_register_clkdev); /** - * clk_register_clkdevs - register a set of clk_lookup for a struct clk - * @clk: struct clk to associate with all clk_lookups - * @cl: array of clk_lookup structures with con_id and dev_id pre-initialized - * @num: number of clk_lookup structures to register + * clk_hw_register_clkdev - register one clock lookup for a struct clk_hw + * @hw: struct clk_hw to associate with all clk_lookups + * @con_id: connection ID string on device + * @dev_id: format string describing device name * - * To make things easier for mass registration, we detect error clks - * from a previous clk_register() call, and return the error code for - * those. This is to permit this function to be called immediately - * after clk_register(). + * con_id or dev_id may be NULL as a wildcard, just as in the rest of + * clkdev. */ -int clk_register_clkdevs(struct clk *clk, struct clk_lookup *cl, size_t num) +int clk_hw_register_clkdev(struct clk_hw *hw, const char *con_id, + const char *dev_id) { - unsigned i; - - if (IS_ERR(clk)) - return PTR_ERR(clk); + struct clk_lookup *cl; - for (i = 0; i < num; i++, cl++) { - cl->clk_hw = __clk_get_hw(clk); - __clkdev_add(cl); - } + /* + * Since dev_id can be NULL, and NULL is handled specially, we must + * pass it as either a NULL format string, or with "%s". + */ + if (dev_id) + cl = __clk_register_clkdev(hw, con_id, "%s", dev_id); + else + cl = __clk_register_clkdev(hw, con_id, NULL); - return 0; + return cl ? 0 : -ENOMEM; } -EXPORT_SYMBOL(clk_register_clkdevs); +EXPORT_SYMBOL(clk_hw_register_clkdev); diff --git a/drivers/clk/hisilicon/Kconfig b/drivers/clk/hisilicon/Kconfig index e434854..3f537a0 100644 --- a/drivers/clk/hisilicon/Kconfig +++ b/drivers/clk/hisilicon/Kconfig @@ -1,3 +1,11 @@ +config COMMON_CLK_HI3519 + tristate "Hi3519 Clock Driver" + depends on ARCH_HISI || COMPILE_TEST + select RESET_HISI + default ARCH_HISI + help + Build the clock driver for hi3519. + config COMMON_CLK_HI6220 bool "Hi6220 Clock Driver" depends on ARCH_HISI || COMPILE_TEST @@ -5,6 +13,13 @@ config COMMON_CLK_HI6220 help Build the Hisilicon Hi6220 clock driver based on the common clock framework. +config RESET_HISI + bool "HiSilicon Reset Controller Driver" + depends on ARCH_HISI || COMPILE_TEST + select RESET_CONTROLLER + help + Build reset controller driver for HiSilicon device chipsets. + config STUB_CLK_HI6220 bool "Hi6220 Stub Clock Driver" depends on COMMON_CLK_HI6220 && MAILBOX diff --git a/drivers/clk/hisilicon/Makefile b/drivers/clk/hisilicon/Makefile index 74dba31..e169ec7 100644 --- a/drivers/clk/hisilicon/Makefile +++ b/drivers/clk/hisilicon/Makefile @@ -7,5 +7,7 @@ obj-y += clk.o clkgate-separated.o clkdivider-hi6220.o obj-$(CONFIG_ARCH_HI3xxx) += clk-hi3620.o obj-$(CONFIG_ARCH_HIP04) += clk-hip04.o obj-$(CONFIG_ARCH_HIX5HD2) += clk-hix5hd2.o +obj-$(CONFIG_COMMON_CLK_HI3519) += clk-hi3519.o obj-$(CONFIG_COMMON_CLK_HI6220) += clk-hi6220.o +obj-$(CONFIG_RESET_HISI) += reset.o obj-$(CONFIG_STUB_CLK_HI6220) += clk-hi6220-stub.o diff --git a/drivers/clk/hisilicon/clk-hi3519.c b/drivers/clk/hisilicon/clk-hi3519.c new file mode 100644 index 0000000..715c730 --- /dev/null +++ b/drivers/clk/hisilicon/clk-hi3519.c @@ -0,0 +1,131 @@ +/* + * Hi3519 Clock Driver + * + * Copyright (c) 2015-2016 HiSilicon Technologies Co., Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <dt-bindings/clock/hi3519-clock.h> +#include <linux/clk-provider.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include "clk.h" +#include "reset.h" + +#define HI3519_INNER_CLK_OFFSET 64 +#define HI3519_FIXED_24M 65 +#define HI3519_FIXED_50M 66 +#define HI3519_FIXED_75M 67 +#define HI3519_FIXED_125M 68 +#define HI3519_FIXED_150M 69 +#define HI3519_FIXED_200M 70 +#define HI3519_FIXED_250M 71 +#define HI3519_FIXED_300M 72 +#define HI3519_FIXED_400M 73 +#define HI3519_FMC_MUX 74 + +#define HI3519_NR_CLKS 128 + +static const struct hisi_fixed_rate_clock hi3519_fixed_rate_clks[] = { + { HI3519_FIXED_24M, "24m", NULL, 0, 24000000, }, + { HI3519_FIXED_50M, "50m", NULL, 0, 50000000, }, + { HI3519_FIXED_75M, "75m", NULL, 0, 75000000, }, + { HI3519_FIXED_125M, "125m", NULL, 0, 125000000, }, + { HI3519_FIXED_150M, "150m", NULL, 0, 150000000, }, + { HI3519_FIXED_200M, "200m", NULL, 0, 200000000, }, + { HI3519_FIXED_250M, "250m", NULL, 0, 250000000, }, + { HI3519_FIXED_300M, "300m", NULL, 0, 300000000, }, + { HI3519_FIXED_400M, "400m", NULL, 0, 400000000, }, +}; + +static const char *const fmc_mux_p[] = { + "24m", "75m", "125m", "150m", "200m", "250m", "300m", "400m", }; +static u32 fmc_mux_table[] = {0, 1, 2, 3, 4, 5, 6, 7}; + +static const struct hisi_mux_clock hi3519_mux_clks[] = { + { HI3519_FMC_MUX, "fmc_mux", fmc_mux_p, ARRAY_SIZE(fmc_mux_p), + CLK_SET_RATE_PARENT, 0xc0, 2, 3, 0, fmc_mux_table, }, +}; + +static const struct hisi_gate_clock hi3519_gate_clks[] = { + { HI3519_FMC_CLK, "clk_fmc", "fmc_mux", + CLK_SET_RATE_PARENT, 0xc0, 1, 0, }, + { HI3519_UART0_CLK, "clk_uart0", "24m", + CLK_SET_RATE_PARENT, 0xe4, 20, 0, }, + { HI3519_UART1_CLK, "clk_uart1", "24m", + CLK_SET_RATE_PARENT, 0xe4, 21, 0, }, + { HI3519_UART2_CLK, "clk_uart2", "24m", + CLK_SET_RATE_PARENT, 0xe4, 22, 0, }, + { HI3519_UART3_CLK, "clk_uart3", "24m", + CLK_SET_RATE_PARENT, 0xe4, 23, 0, }, + { HI3519_UART4_CLK, "clk_uart4", "24m", + CLK_SET_RATE_PARENT, 0xe4, 24, 0, }, + { HI3519_SPI0_CLK, "clk_spi0", "50m", + CLK_SET_RATE_PARENT, 0xe4, 16, 0, }, + { HI3519_SPI1_CLK, "clk_spi1", "50m", + CLK_SET_RATE_PARENT, 0xe4, 17, 0, }, + { HI3519_SPI2_CLK, "clk_spi2", "50m", + CLK_SET_RATE_PARENT, 0xe4, 18, 0, }, +}; + +static int hi3519_clk_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct hisi_clock_data *clk_data; + struct hisi_reset_controller *rstc; + + rstc = hisi_reset_init(np); + if (!rstc) + return -ENOMEM; + + clk_data = hisi_clk_init(np, HI3519_NR_CLKS); + if (!clk_data) { + hisi_reset_exit(rstc); + return -ENODEV; + } + + hisi_clk_register_fixed_rate(hi3519_fixed_rate_clks, + ARRAY_SIZE(hi3519_fixed_rate_clks), + clk_data); + hisi_clk_register_mux(hi3519_mux_clks, ARRAY_SIZE(hi3519_mux_clks), + clk_data); + hisi_clk_register_gate(hi3519_gate_clks, + ARRAY_SIZE(hi3519_gate_clks), clk_data); + + return 0; +} + +static const struct of_device_id hi3519_clk_match_table[] = { + { .compatible = "hisilicon,hi3519-crg" }, + { } +}; +MODULE_DEVICE_TABLE(of, hi3519_clk_match_table); + +static struct platform_driver hi3519_clk_driver = { + .probe = hi3519_clk_probe, + .driver = { + .name = "hi3519-clk", + .of_match_table = hi3519_clk_match_table, + }, +}; + +static int __init hi3519_clk_init(void) +{ + return platform_driver_register(&hi3519_clk_driver); +} +core_initcall(hi3519_clk_init); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("HiSilicon Hi3519 Clock Driver"); diff --git a/drivers/clk/hisilicon/clk.c b/drivers/clk/hisilicon/clk.c index 9f8e766..9b15adb 100644 --- a/drivers/clk/hisilicon/clk.c +++ b/drivers/clk/hisilicon/clk.c @@ -37,7 +37,7 @@ static DEFINE_SPINLOCK(hisi_clk_lock); -struct hisi_clock_data __init *hisi_clk_init(struct device_node *np, +struct hisi_clock_data *hisi_clk_init(struct device_node *np, int nr_clks) { struct hisi_clock_data *clk_data; @@ -71,8 +71,9 @@ err_data: err: return NULL; } +EXPORT_SYMBOL_GPL(hisi_clk_init); -void __init hisi_clk_register_fixed_rate(struct hisi_fixed_rate_clock *clks, +void hisi_clk_register_fixed_rate(const struct hisi_fixed_rate_clock *clks, int nums, struct hisi_clock_data *data) { struct clk *clk; @@ -91,8 +92,9 @@ void __init hisi_clk_register_fixed_rate(struct hisi_fixed_rate_clock *clks, data->clk_data.clks[clks[i].id] = clk; } } +EXPORT_SYMBOL_GPL(hisi_clk_register_fixed_rate); -void __init hisi_clk_register_fixed_factor(struct hisi_fixed_factor_clock *clks, +void hisi_clk_register_fixed_factor(const struct hisi_fixed_factor_clock *clks, int nums, struct hisi_clock_data *data) { @@ -112,8 +114,9 @@ void __init hisi_clk_register_fixed_factor(struct hisi_fixed_factor_clock *clks, data->clk_data.clks[clks[i].id] = clk; } } +EXPORT_SYMBOL_GPL(hisi_clk_register_fixed_factor); -void __init hisi_clk_register_mux(struct hisi_mux_clock *clks, +void hisi_clk_register_mux(const struct hisi_mux_clock *clks, int nums, struct hisi_clock_data *data) { struct clk *clk; @@ -141,8 +144,9 @@ void __init hisi_clk_register_mux(struct hisi_mux_clock *clks, data->clk_data.clks[clks[i].id] = clk; } } +EXPORT_SYMBOL_GPL(hisi_clk_register_mux); -void __init hisi_clk_register_divider(struct hisi_divider_clock *clks, +void hisi_clk_register_divider(const struct hisi_divider_clock *clks, int nums, struct hisi_clock_data *data) { struct clk *clk; @@ -170,8 +174,9 @@ void __init hisi_clk_register_divider(struct hisi_divider_clock *clks, data->clk_data.clks[clks[i].id] = clk; } } +EXPORT_SYMBOL_GPL(hisi_clk_register_divider); -void __init hisi_clk_register_gate(struct hisi_gate_clock *clks, +void hisi_clk_register_gate(const struct hisi_gate_clock *clks, int nums, struct hisi_clock_data *data) { struct clk *clk; @@ -198,8 +203,9 @@ void __init hisi_clk_register_gate(struct hisi_gate_clock *clks, data->clk_data.clks[clks[i].id] = clk; } } +EXPORT_SYMBOL_GPL(hisi_clk_register_gate); -void __init hisi_clk_register_gate_sep(struct hisi_gate_clock *clks, +void hisi_clk_register_gate_sep(const struct hisi_gate_clock *clks, int nums, struct hisi_clock_data *data) { struct clk *clk; @@ -226,8 +232,9 @@ void __init hisi_clk_register_gate_sep(struct hisi_gate_clock *clks, data->clk_data.clks[clks[i].id] = clk; } } +EXPORT_SYMBOL_GPL(hisi_clk_register_gate_sep); -void __init hi6220_clk_register_divider(struct hi6220_divider_clock *clks, +void __init hi6220_clk_register_divider(const struct hi6220_divider_clock *clks, int nums, struct hisi_clock_data *data) { struct clk *clk; diff --git a/drivers/clk/hisilicon/clk.h b/drivers/clk/hisilicon/clk.h index b56fbc1..20d64af 100644 --- a/drivers/clk/hisilicon/clk.h +++ b/drivers/clk/hisilicon/clk.h @@ -111,18 +111,18 @@ struct clk *hi6220_register_clkdiv(struct device *dev, const char *name, u8 shift, u8 width, u32 mask_bit, spinlock_t *lock); struct hisi_clock_data *hisi_clk_init(struct device_node *, int); -void hisi_clk_register_fixed_rate(struct hisi_fixed_rate_clock *, +void hisi_clk_register_fixed_rate(const struct hisi_fixed_rate_clock *, int, struct hisi_clock_data *); -void hisi_clk_register_fixed_factor(struct hisi_fixed_factor_clock *, +void hisi_clk_register_fixed_factor(const struct hisi_fixed_factor_clock *, int, struct hisi_clock_data *); -void hisi_clk_register_mux(struct hisi_mux_clock *, int, +void hisi_clk_register_mux(const struct hisi_mux_clock *, int, struct hisi_clock_data *); -void hisi_clk_register_divider(struct hisi_divider_clock *, +void hisi_clk_register_divider(const struct hisi_divider_clock *, int, struct hisi_clock_data *); -void hisi_clk_register_gate(struct hisi_gate_clock *, +void hisi_clk_register_gate(const struct hisi_gate_clock *, int, struct hisi_clock_data *); -void hisi_clk_register_gate_sep(struct hisi_gate_clock *, +void hisi_clk_register_gate_sep(const struct hisi_gate_clock *, int, struct hisi_clock_data *); -void hi6220_clk_register_divider(struct hi6220_divider_clock *, +void hi6220_clk_register_divider(const struct hi6220_divider_clock *, int, struct hisi_clock_data *); #endif /* __HISI_CLK_H */ diff --git a/drivers/clk/hisilicon/reset.c b/drivers/clk/hisilicon/reset.c new file mode 100644 index 0000000..6aa49c2 --- /dev/null +++ b/drivers/clk/hisilicon/reset.c @@ -0,0 +1,134 @@ +/* + * Hisilicon Reset Controller Driver + * + * Copyright (c) 2015-2016 HiSilicon Technologies Co., Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/io.h> +#include <linux/of_address.h> +#include <linux/reset-controller.h> +#include <linux/slab.h> +#include <linux/spinlock.h> +#include "reset.h" + +#define HISI_RESET_BIT_MASK 0x1f +#define HISI_RESET_OFFSET_SHIFT 8 +#define HISI_RESET_OFFSET_MASK 0xffff00 + +struct hisi_reset_controller { + spinlock_t lock; + void __iomem *membase; + struct reset_controller_dev rcdev; +}; + + +#define to_hisi_reset_controller(rcdev) \ + container_of(rcdev, struct hisi_reset_controller, rcdev) + +static int hisi_reset_of_xlate(struct reset_controller_dev *rcdev, + const struct of_phandle_args *reset_spec) +{ + u32 offset; + u8 bit; + + offset = (reset_spec->args[0] << HISI_RESET_OFFSET_SHIFT) + & HISI_RESET_OFFSET_MASK; + bit = reset_spec->args[1] & HISI_RESET_BIT_MASK; + + return (offset | bit); +} + +static int hisi_reset_assert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct hisi_reset_controller *rstc = to_hisi_reset_controller(rcdev); + unsigned long flags; + u32 offset, reg; + u8 bit; + + offset = (id & HISI_RESET_OFFSET_MASK) >> HISI_RESET_OFFSET_SHIFT; + bit = id & HISI_RESET_BIT_MASK; + + spin_lock_irqsave(&rstc->lock, flags); + + reg = readl(rstc->membase + offset); + writel(reg | BIT(bit), rstc->membase + offset); + + spin_unlock_irqrestore(&rstc->lock, flags); + + return 0; +} + +static int hisi_reset_deassert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct hisi_reset_controller *rstc = to_hisi_reset_controller(rcdev); + unsigned long flags; + u32 offset, reg; + u8 bit; + + offset = (id & HISI_RESET_OFFSET_MASK) >> HISI_RESET_OFFSET_SHIFT; + bit = id & HISI_RESET_BIT_MASK; + + spin_lock_irqsave(&rstc->lock, flags); + + reg = readl(rstc->membase + offset); + writel(reg & ~BIT(bit), rstc->membase + offset); + + spin_unlock_irqrestore(&rstc->lock, flags); + + return 0; +} + +static const struct reset_control_ops hisi_reset_ops = { + .assert = hisi_reset_assert, + .deassert = hisi_reset_deassert, +}; + +struct hisi_reset_controller *hisi_reset_init(struct device_node *np) +{ + struct hisi_reset_controller *rstc; + + rstc = kzalloc(sizeof(*rstc), GFP_KERNEL); + if (!rstc) + return NULL; + + rstc->membase = of_iomap(np, 0); + if (!rstc->membase) { + kfree(rstc); + return NULL; + } + + spin_lock_init(&rstc->lock); + + rstc->rcdev.owner = THIS_MODULE; + rstc->rcdev.ops = &hisi_reset_ops; + rstc->rcdev.of_node = np; + rstc->rcdev.of_reset_n_cells = 2; + rstc->rcdev.of_xlate = hisi_reset_of_xlate; + reset_controller_register(&rstc->rcdev); + + return rstc; +} +EXPORT_SYMBOL_GPL(hisi_reset_init); + +void hisi_reset_exit(struct hisi_reset_controller *rstc) +{ + reset_controller_unregister(&rstc->rcdev); + iounmap(rstc->membase); + kfree(rstc); +} +EXPORT_SYMBOL_GPL(hisi_reset_exit); diff --git a/drivers/clk/hisilicon/reset.h b/drivers/clk/hisilicon/reset.h new file mode 100644 index 0000000..677d773 --- /dev/null +++ b/drivers/clk/hisilicon/reset.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2015 HiSilicon Technologies Co., Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __HISI_RESET_H +#define __HISI_RESET_H + +struct device_node; +struct hisi_reset_controller; + +#ifdef CONFIG_RESET_CONTROLLER +struct hisi_reset_controller *hisi_reset_init(struct device_node *np); +void hisi_reset_exit(struct hisi_reset_controller *rstc); +#else +static inline hisi_reset_controller *hisi_reset_init(struct device_node *np) +{ + return 0; +} +static inline void hisi_reset_exit(struct hisi_reset_controller *rstc) +{} +#endif + +#endif /* __HISI_RESET_H */ diff --git a/drivers/clk/imx/clk-gate2.c b/drivers/clk/imx/clk-gate2.c index 8935bff..db44a19 100644 --- a/drivers/clk/imx/clk-gate2.c +++ b/drivers/clk/imx/clk-gate2.c @@ -31,6 +31,7 @@ struct clk_gate2 { struct clk_hw hw; void __iomem *reg; u8 bit_idx; + u8 cgr_val; u8 flags; spinlock_t *lock; unsigned int *share_count; @@ -50,7 +51,8 @@ static int clk_gate2_enable(struct clk_hw *hw) goto out; reg = readl(gate->reg); - reg |= 3 << gate->bit_idx; + reg &= ~(3 << gate->bit_idx); + reg |= gate->cgr_val << gate->bit_idx; writel(reg, gate->reg); out: @@ -125,7 +127,7 @@ static struct clk_ops clk_gate2_ops = { struct clk *clk_register_gate2(struct device *dev, const char *name, const char *parent_name, unsigned long flags, - void __iomem *reg, u8 bit_idx, + void __iomem *reg, u8 bit_idx, u8 cgr_val, u8 clk_gate2_flags, spinlock_t *lock, unsigned int *share_count) { @@ -140,6 +142,7 @@ struct clk *clk_register_gate2(struct device *dev, const char *name, /* struct clk_gate2 assignments */ gate->reg = reg; gate->bit_idx = bit_idx; + gate->cgr_val = cgr_val; gate->flags = clk_gate2_flags; gate->lock = lock; gate->share_count = share_count; diff --git a/drivers/clk/imx/clk-imx35.c b/drivers/clk/imx/clk-imx35.c index a71d24c..b0978d3 100644 --- a/drivers/clk/imx/clk-imx35.c +++ b/drivers/clk/imx/clk-imx35.c @@ -66,7 +66,7 @@ static const char *std_sel[] = {"ppll", "arm"}; static const char *ipg_per_sel[] = {"ahb_per_div", "arm_per_div"}; enum mx35_clks { - ckih, ckil, mpll, ppll, mpll_075, arm, hsp, hsp_div, hsp_sel, ahb, ipg, + ckih, mpll, ppll, mpll_075, arm, hsp, hsp_div, hsp_sel, ahb, ipg, arm_per_div, ahb_per_div, ipg_per, uart_sel, uart_div, esdhc_sel, esdhc1_div, esdhc2_div, esdhc3_div, spdif_sel, spdif_div_pre, spdif_div_post, ssi_sel, ssi1_div_pre, ssi1_div_post, ssi2_div_pre, @@ -79,7 +79,7 @@ enum mx35_clks { rtc_gate, rtic_gate, scc_gate, sdma_gate, spba_gate, spdif_gate, ssi1_gate, ssi2_gate, uart1_gate, uart2_gate, uart3_gate, usbotg_gate, wdog_gate, max_gate, admux_gate, csi_gate, csi_div, csi_sel, iim_gate, - gpu2d_gate, clk_max + gpu2d_gate, ckil, clk_max }; static struct clk *clk[clk_max]; diff --git a/drivers/clk/imx/clk-imx6sx.c b/drivers/clk/imx/clk-imx6sx.c index fea125e..97e742a 100644 --- a/drivers/clk/imx/clk-imx6sx.c +++ b/drivers/clk/imx/clk-imx6sx.c @@ -134,6 +134,8 @@ static u32 share_count_esai; static u32 share_count_ssi1; static u32 share_count_ssi2; static u32 share_count_ssi3; +static u32 share_count_sai1; +static u32 share_count_sai2; static struct clk ** const uart_clks[] __initconst = { &clks[IMX6SX_CLK_UART_IPG], @@ -469,10 +471,10 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node) clks[IMX6SX_CLK_SSI3] = imx_clk_gate2_shared("ssi3", "ssi3_podf", base + 0x7c, 22, &share_count_ssi3); clks[IMX6SX_CLK_UART_IPG] = imx_clk_gate2("uart_ipg", "ipg", base + 0x7c, 24); clks[IMX6SX_CLK_UART_SERIAL] = imx_clk_gate2("uart_serial", "uart_podf", base + 0x7c, 26); - clks[IMX6SX_CLK_SAI1_IPG] = imx_clk_gate2("sai1_ipg", "ipg", base + 0x7c, 28); - clks[IMX6SX_CLK_SAI2_IPG] = imx_clk_gate2("sai2_ipg", "ipg", base + 0x7c, 30); - clks[IMX6SX_CLK_SAI1] = imx_clk_gate2("sai1", "ssi1_podf", base + 0x7c, 28); - clks[IMX6SX_CLK_SAI2] = imx_clk_gate2("sai2", "ssi2_podf", base + 0x7c, 30); + clks[IMX6SX_CLK_SAI1_IPG] = imx_clk_gate2_shared("sai1_ipg", "ipg", base + 0x7c, 28, &share_count_sai1); + clks[IMX6SX_CLK_SAI2_IPG] = imx_clk_gate2_shared("sai2_ipg", "ipg", base + 0x7c, 30, &share_count_sai2); + clks[IMX6SX_CLK_SAI1] = imx_clk_gate2_shared("sai1", "ssi1_podf", base + 0x7c, 28, &share_count_sai1); + clks[IMX6SX_CLK_SAI2] = imx_clk_gate2_shared("sai2", "ssi2_podf", base + 0x7c, 30, &share_count_sai2); /* CCGR6 */ clks[IMX6SX_CLK_USBOH3] = imx_clk_gate2("usboh3", "ipg", base + 0x80, 0); diff --git a/drivers/clk/imx/clk-imx7d.c b/drivers/clk/imx/clk-imx7d.c index fbb6a8c..5229968 100644 --- a/drivers/clk/imx/clk-imx7d.c +++ b/drivers/clk/imx/clk-imx7d.c @@ -56,7 +56,7 @@ static const char *nand_usdhc_bus_sel[] = { "osc", "pll_sys_pfd2_270m_clk", "pll_sys_pfd2_135m_clk", "pll_sys_pfd6_clk", "pll_enet_250m_clk", "pll_audio_main_clk", }; -static const char *ahb_channel_sel[] = { "osc", "pll_sys_pfd2_135m_clk", +static const char *ahb_channel_sel[] = { "osc", "pll_sys_pfd2_270m_clk", "pll_dram_533m_clk", "pll_sys_pfd0_392m_clk", "pll_enet_125m_clk", "pll_usb_main_clk", "pll_audio_main_clk", "pll_video_main_clk", }; @@ -342,7 +342,7 @@ static const char *clko1_sel[] = { "osc", "pll_sys_main_clk", static const char *clko2_sel[] = { "osc", "pll_sys_main_240m_clk", "pll_sys_pfd0_392m_clk", "pll_sys_pfd1_166m_clk", "pll_sys_pfd4_clk", - "pll_audio_main_clk", "pll_video_main_clk", "osc_32k_clk", }; + "pll_audio_main_clk", "pll_video_main_clk", "ckil", }; static const char *lvds1_sel[] = { "pll_arm_main_clk", "pll_sys_main_clk", "pll_sys_pfd0_392m_clk", "pll_sys_pfd1_332m_clk", @@ -382,6 +382,7 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node) clks[IMX7D_CLK_DUMMY] = imx_clk_fixed("dummy", 0); clks[IMX7D_OSC_24M_CLK] = of_clk_get_by_name(ccm_node, "osc"); + clks[IMX7D_CKIL] = of_clk_get_by_name(ccm_node, "ckil"); np = of_find_compatible_node(NULL, NULL, "fsl,imx7d-anatop"); base = of_iomap(np, 0); diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c index c05c43d..4826b3c 100644 --- a/drivers/clk/imx/clk-pllv3.c +++ b/drivers/clk/imx/clk-pllv3.c @@ -44,6 +44,7 @@ struct clk_pllv3 { u32 powerdown; u32 div_mask; u32 div_shift; + unsigned long ref_clock; }; #define to_clk_pllv3(_hw) container_of(_hw, struct clk_pllv3, hw) @@ -286,7 +287,9 @@ static const struct clk_ops clk_pllv3_av_ops = { static unsigned long clk_pllv3_enet_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { - return 500000000; + struct clk_pllv3 *pll = to_clk_pllv3(hw); + + return pll->ref_clock; } static const struct clk_ops clk_pllv3_enet_ops = { @@ -326,7 +329,11 @@ struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name, break; case IMX_PLLV3_ENET_IMX7: pll->powerdown = IMX7_ENET_PLL_POWER; + pll->ref_clock = 1000000000; + ops = &clk_pllv3_enet_ops; + break; case IMX_PLLV3_ENET: + pll->ref_clock = 500000000; ops = &clk_pllv3_enet_ops; break; default: diff --git a/drivers/clk/imx/clk-vf610.c b/drivers/clk/imx/clk-vf610.c index 0a94d96..3a1f244 100644 --- a/drivers/clk/imx/clk-vf610.c +++ b/drivers/clk/imx/clk-vf610.c @@ -10,6 +10,7 @@ #include <linux/of_address.h> #include <linux/clk.h> +#include <linux/syscore_ops.h> #include <dt-bindings/clock/vf610-clock.h> #include "clk.h" @@ -40,6 +41,7 @@ #define CCM_CCGR9 (ccm_base + 0x64) #define CCM_CCGR10 (ccm_base + 0x68) #define CCM_CCGR11 (ccm_base + 0x6c) +#define CCM_CCGRx(x) (CCM_CCGR0 + (x) * 4) #define CCM_CMEOR0 (ccm_base + 0x70) #define CCM_CMEOR1 (ccm_base + 0x74) #define CCM_CMEOR2 (ccm_base + 0x78) @@ -115,10 +117,19 @@ static struct clk_div_table pll4_audio_div_table[] = { static struct clk *clk[VF610_CLK_END]; static struct clk_onecell_data clk_data; +static u32 cscmr1; +static u32 cscmr2; +static u32 cscdr1; +static u32 cscdr2; +static u32 cscdr3; +static u32 ccgr[12]; + static unsigned int const clks_init_on[] __initconst = { VF610_CLK_SYS_BUS, VF610_CLK_DDR_SEL, VF610_CLK_DAP, + VF610_CLK_DDRMC, + VF610_CLK_WKPU, }; static struct clk * __init vf610_get_fixed_clock( @@ -132,6 +143,43 @@ static struct clk * __init vf610_get_fixed_clock( return clk; }; +static int vf610_clk_suspend(void) +{ + int i; + + cscmr1 = readl_relaxed(CCM_CSCMR1); + cscmr2 = readl_relaxed(CCM_CSCMR2); + + cscdr1 = readl_relaxed(CCM_CSCDR1); + cscdr2 = readl_relaxed(CCM_CSCDR2); + cscdr3 = readl_relaxed(CCM_CSCDR3); + + for (i = 0; i < 12; i++) + ccgr[i] = readl_relaxed(CCM_CCGRx(i)); + + return 0; +} + +static void vf610_clk_resume(void) +{ + int i; + + writel_relaxed(cscmr1, CCM_CSCMR1); + writel_relaxed(cscmr2, CCM_CSCMR2); + + writel_relaxed(cscdr1, CCM_CSCDR1); + writel_relaxed(cscdr2, CCM_CSCDR2); + writel_relaxed(cscdr3, CCM_CSCDR3); + + for (i = 0; i < 12; i++) + writel_relaxed(ccgr[i], CCM_CCGRx(i)); +} + +static struct syscore_ops vf610_clk_syscore_ops = { + .suspend = vf610_clk_suspend, + .resume = vf610_clk_resume, +}; + static void __init vf610_clocks_init(struct device_node *ccm_node) { struct device_node *np; @@ -233,6 +281,9 @@ static void __init vf610_clocks_init(struct device_node *ccm_node) clk[VF610_CLK_PLL4_MAIN_DIV] = clk_register_divider_table(NULL, "pll4_audio_div", "pll4_audio", 0, CCM_CACRR, 6, 3, 0, pll4_audio_div_table, &imx_ccm_lock); clk[VF610_CLK_PLL6_MAIN_DIV] = imx_clk_divider("pll6_video_div", "pll6_video", CCM_CACRR, 21, 1); + clk[VF610_CLK_DDRMC] = imx_clk_gate2_cgr("ddrmc", "ddr_sel", CCM_CCGR6, CCM_CCGRx_CGn(14), 0x2); + clk[VF610_CLK_WKPU] = imx_clk_gate2_cgr("wkpu", "ipg_bus", CCM_CCGR4, CCM_CCGRx_CGn(10), 0x2); + clk[VF610_CLK_USBPHY0] = imx_clk_gate("usbphy0", "pll3_usb_otg", PLL3_CTRL, 6); clk[VF610_CLK_USBPHY1] = imx_clk_gate("usbphy1", "pll7_usb_host", PLL7_CTRL, 6); @@ -321,11 +372,14 @@ static void __init vf610_clocks_init(struct device_node *ccm_node) clk[VF610_CLK_DCU0_SEL] = imx_clk_mux("dcu0_sel", CCM_CSCMR1, 28, 1, dcu_sels, 2); clk[VF610_CLK_DCU0_EN] = imx_clk_gate("dcu0_en", "dcu0_sel", CCM_CSCDR3, 19); clk[VF610_CLK_DCU0_DIV] = imx_clk_divider("dcu0_div", "dcu0_en", CCM_CSCDR3, 16, 3); - clk[VF610_CLK_DCU0] = imx_clk_gate2("dcu0", "dcu0_div", CCM_CCGR3, CCM_CCGRx_CGn(8)); + clk[VF610_CLK_DCU0] = imx_clk_gate2("dcu0", "ipg_bus", CCM_CCGR3, CCM_CCGRx_CGn(8)); clk[VF610_CLK_DCU1_SEL] = imx_clk_mux("dcu1_sel", CCM_CSCMR1, 29, 1, dcu_sels, 2); clk[VF610_CLK_DCU1_EN] = imx_clk_gate("dcu1_en", "dcu1_sel", CCM_CSCDR3, 23); clk[VF610_CLK_DCU1_DIV] = imx_clk_divider("dcu1_div", "dcu1_en", CCM_CSCDR3, 20, 3); - clk[VF610_CLK_DCU1] = imx_clk_gate2("dcu1", "dcu1_div", CCM_CCGR9, CCM_CCGRx_CGn(8)); + clk[VF610_CLK_DCU1] = imx_clk_gate2("dcu1", "ipg_bus", CCM_CCGR9, CCM_CCGRx_CGn(8)); + + clk[VF610_CLK_TCON0] = imx_clk_gate2("tcon0", "platform_bus", CCM_CCGR1, CCM_CCGRx_CGn(13)); + clk[VF610_CLK_TCON1] = imx_clk_gate2("tcon1", "platform_bus", CCM_CCGR7, CCM_CCGRx_CGn(13)); clk[VF610_CLK_ESAI_SEL] = imx_clk_mux("esai_sel", CCM_CSCMR1, 20, 2, esai_sels, 4); clk[VF610_CLK_ESAI_EN] = imx_clk_gate("esai_en", "esai_sel", CCM_CSCDR2, 30); @@ -409,6 +463,8 @@ static void __init vf610_clocks_init(struct device_node *ccm_node) for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) clk_prepare_enable(clk[clks_init_on[i]]); + register_syscore_ops(&vf610_clk_syscore_ops); + /* Add the clocks to provider list */ clk_data.clks = clk; clk_data.clk_num = ARRAY_SIZE(clk); diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index d942f57..508d0fa 100644 --- a/drivers/clk/imx/clk.h +++ b/drivers/clk/imx/clk.h @@ -41,7 +41,7 @@ struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name, struct clk *clk_register_gate2(struct device *dev, const char *name, const char *parent_name, unsigned long flags, - void __iomem *reg, u8 bit_idx, + void __iomem *reg, u8 bit_idx, u8 cgr_val, u8 clk_gate_flags, spinlock_t *lock, unsigned int *share_count); @@ -55,7 +55,7 @@ static inline struct clk *imx_clk_gate2(const char *name, const char *parent, void __iomem *reg, u8 shift) { return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg, - shift, 0, &imx_ccm_lock, NULL); + shift, 0x3, 0, &imx_ccm_lock, NULL); } static inline struct clk *imx_clk_gate2_shared(const char *name, @@ -63,7 +63,14 @@ static inline struct clk *imx_clk_gate2_shared(const char *name, unsigned int *share_count) { return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg, - shift, 0, &imx_ccm_lock, share_count); + shift, 0x3, 0, &imx_ccm_lock, share_count); +} + +static inline struct clk *imx_clk_gate2_cgr(const char *name, const char *parent, + void __iomem *reg, u8 shift, u8 cgr_val) +{ + return clk_register_gate2(NULL, name, parent, CLK_SET_RATE_PARENT, reg, + shift, cgr_val, 0, &imx_ccm_lock, NULL); } struct clk *imx_clk_pfd(const char *name, const char *parent_name, diff --git a/drivers/clk/ingenic/cgu.c b/drivers/clk/ingenic/cgu.c index 7cfb7b2..e8248f9 100644 --- a/drivers/clk/ingenic/cgu.c +++ b/drivers/clk/ingenic/cgu.c @@ -325,6 +325,7 @@ ingenic_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) div = (div_reg >> clk_info->div.shift) & GENMASK(clk_info->div.bits - 1, 0); div += 1; + div *= clk_info->div.div; rate /= div; } @@ -345,6 +346,14 @@ ingenic_clk_calc_div(const struct ingenic_cgu_clk_info *clk_info, div = min_t(unsigned, div, 1 << clk_info->div.bits); div = max_t(unsigned, div, 1); + /* + * If the divider value itself must be divided before being written to + * the divider register, we must ensure we don't have any bits set that + * would be lost as a result of doing so. + */ + div /= clk_info->div.div; + div *= clk_info->div.div; + return div; } @@ -395,7 +404,7 @@ ingenic_clk_set_rate(struct clk_hw *hw, unsigned long req_rate, /* update the divide */ mask = GENMASK(clk_info->div.bits - 1, 0); reg &= ~(mask << clk_info->div.shift); - reg |= (div - 1) << clk_info->div.shift; + reg |= ((div / clk_info->div.div) - 1) << clk_info->div.shift; /* clear the stop bit */ if (clk_info->div.stop_bit != -1) diff --git a/drivers/clk/ingenic/cgu.h b/drivers/clk/ingenic/cgu.h index 99347e2..09700b2 100644 --- a/drivers/clk/ingenic/cgu.h +++ b/drivers/clk/ingenic/cgu.h @@ -76,8 +76,11 @@ struct ingenic_cgu_mux_info { /** * struct ingenic_cgu_div_info - information about a divider * @reg: offset of the divider control register within the CGU - * @shift: number of bits to shift the divide value by (ie. the index of + * @shift: number of bits to left shift the divide value by (ie. the index of * the lowest bit of the divide value within its control register) + * @div: number of bits to divide the divider value by (i.e. if the + * effective divider value is the value written to the register + * multiplied by some constant) * @bits: the size of the divide value in bits * @ce_bit: the index of the change enable bit within reg, or -1 if there * isn't one @@ -87,6 +90,7 @@ struct ingenic_cgu_mux_info { struct ingenic_cgu_div_info { unsigned reg; u8 shift; + u8 div; u8 bits; s8 ce_bit; s8 busy_bit; diff --git a/drivers/clk/ingenic/jz4740-cgu.c b/drivers/clk/ingenic/jz4740-cgu.c index 305a26c2..510fe7e 100644 --- a/drivers/clk/ingenic/jz4740-cgu.c +++ b/drivers/clk/ingenic/jz4740-cgu.c @@ -90,51 +90,51 @@ static const struct ingenic_cgu_clk_info jz4740_cgu_clocks[] = { [JZ4740_CLK_PLL_HALF] = { "pll half", CGU_CLK_DIV, .parents = { JZ4740_CLK_PLL, -1, -1, -1 }, - .div = { CGU_REG_CPCCR, 21, 1, -1, -1, -1 }, + .div = { CGU_REG_CPCCR, 21, 1, 1, -1, -1, -1 }, }, [JZ4740_CLK_CCLK] = { "cclk", CGU_CLK_DIV, .parents = { JZ4740_CLK_PLL, -1, -1, -1 }, - .div = { CGU_REG_CPCCR, 0, 4, 22, -1, -1 }, + .div = { CGU_REG_CPCCR, 0, 1, 4, 22, -1, -1 }, }, [JZ4740_CLK_HCLK] = { "hclk", CGU_CLK_DIV, .parents = { JZ4740_CLK_PLL, -1, -1, -1 }, - .div = { CGU_REG_CPCCR, 4, 4, 22, -1, -1 }, + .div = { CGU_REG_CPCCR, 4, 1, 4, 22, -1, -1 }, }, [JZ4740_CLK_PCLK] = { "pclk", CGU_CLK_DIV, .parents = { JZ4740_CLK_PLL, -1, -1, -1 }, - .div = { CGU_REG_CPCCR, 8, 4, 22, -1, -1 }, + .div = { CGU_REG_CPCCR, 8, 1, 4, 22, -1, -1 }, }, [JZ4740_CLK_MCLK] = { "mclk", CGU_CLK_DIV, .parents = { JZ4740_CLK_PLL, -1, -1, -1 }, - .div = { CGU_REG_CPCCR, 12, 4, 22, -1, -1 }, + .div = { CGU_REG_CPCCR, 12, 1, 4, 22, -1, -1 }, }, [JZ4740_CLK_LCD] = { "lcd", CGU_CLK_DIV | CGU_CLK_GATE, .parents = { JZ4740_CLK_PLL_HALF, -1, -1, -1 }, - .div = { CGU_REG_CPCCR, 16, 5, 22, -1, -1 }, + .div = { CGU_REG_CPCCR, 16, 1, 5, 22, -1, -1 }, .gate = { CGU_REG_CLKGR, 10 }, }, [JZ4740_CLK_LCD_PCLK] = { "lcd_pclk", CGU_CLK_DIV, .parents = { JZ4740_CLK_PLL_HALF, -1, -1, -1 }, - .div = { CGU_REG_LPCDR, 0, 11, -1, -1, -1 }, + .div = { CGU_REG_LPCDR, 0, 1, 11, -1, -1, -1 }, }, [JZ4740_CLK_I2S] = { "i2s", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE, .parents = { JZ4740_CLK_EXT, JZ4740_CLK_PLL_HALF, -1, -1 }, .mux = { CGU_REG_CPCCR, 31, 1 }, - .div = { CGU_REG_I2SCDR, 0, 8, -1, -1, -1 }, + .div = { CGU_REG_I2SCDR, 0, 1, 8, -1, -1, -1 }, .gate = { CGU_REG_CLKGR, 6 }, }, @@ -142,21 +142,21 @@ static const struct ingenic_cgu_clk_info jz4740_cgu_clocks[] = { "spi", CGU_CLK_MUX | CGU_CLK_DIV | CGU_CLK_GATE, .parents = { JZ4740_CLK_EXT, JZ4740_CLK_PLL, -1, -1 }, .mux = { CGU_REG_SSICDR, 31, 1 }, - .div = { CGU_REG_SSICDR, 0, 4, -1, -1, -1 }, + .div = { CGU_REG_SSICDR, 0, 1, 4, -1, -1, -1 }, .gate = { CGU_REG_CLKGR, 4 }, }, [JZ4740_CLK_MMC] = { "mmc", CGU_CLK_DIV | CGU_CLK_GATE, .parents = { JZ4740_CLK_PLL_HALF, -1, -1, -1 }, - .div = { CGU_REG_MSCCDR, 0, 5, -1, -1, -1 }, + .div = { CGU_REG_MSCCDR, 0, 1, 5, -1, -1, -1 }, .gate = { CGU_REG_CLKGR, 7 }, }, [JZ4740_CLK_UHC] = { "uhc", CGU_CLK_DIV | CGU_CLK_GATE, .parents = { JZ4740_CLK_PLL_HALF, -1, -1, -1 }, - .div = { CGU_REG_UHCCDR, 0, 4, -1, -1, -1 }, + .div = { CGU_REG_UHCCDR, 0, 1, 4, -1, -1, -1 }, .gate = { CGU_REG_CLKGR, 14 }, }, @@ -164,7 +164,7 @@ static const struct ingenic_cgu_clk_info jz4740_cgu_clocks[] = { "udc", CGU_CLK_MUX | CGU_CLK_DIV, .parents = { JZ4740_CLK_EXT, JZ4740_CLK_PLL_HALF, -1, -1 }, .mux = { CGU_REG_CPCCR, 29, 1 }, - .div = { CGU_REG_CPCCR, 23, 6, -1, -1, -1 }, + .div = { CGU_REG_CPCCR, 23, 1, 6, -1, -1, -1 }, .gate = { CGU_REG_SCR, 6 }, }, diff --git a/drivers/clk/ingenic/jz4780-cgu.c b/drivers/clk/ingenic/jz4780-cgu.c index 431f962..b35d6d9 100644 --- a/drivers/clk/ingenic/jz4780-cgu.c +++ b/drivers/clk/ingenic/jz4780-cgu.c @@ -296,13 +296,13 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { [JZ4780_CLK_CPU] = { "cpu", CGU_CLK_DIV, .parents = { JZ4780_CLK_CPUMUX, -1, -1, -1 }, - .div = { CGU_REG_CLOCKCONTROL, 0, 4, 22, -1, -1 }, + .div = { CGU_REG_CLOCKCONTROL, 0, 1, 4, 22, -1, -1 }, }, [JZ4780_CLK_L2CACHE] = { "l2cache", CGU_CLK_DIV, .parents = { JZ4780_CLK_CPUMUX, -1, -1, -1 }, - .div = { CGU_REG_CLOCKCONTROL, 4, 4, -1, -1, -1 }, + .div = { CGU_REG_CLOCKCONTROL, 4, 1, 4, -1, -1, -1 }, }, [JZ4780_CLK_AHB0] = { @@ -310,7 +310,7 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_EPLL }, .mux = { CGU_REG_CLOCKCONTROL, 26, 2 }, - .div = { CGU_REG_CLOCKCONTROL, 8, 4, 21, -1, -1 }, + .div = { CGU_REG_CLOCKCONTROL, 8, 1, 4, 21, -1, -1 }, }, [JZ4780_CLK_AHB2PMUX] = { @@ -323,20 +323,20 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { [JZ4780_CLK_AHB2] = { "ahb2", CGU_CLK_DIV, .parents = { JZ4780_CLK_AHB2PMUX, -1, -1, -1 }, - .div = { CGU_REG_CLOCKCONTROL, 12, 4, 20, -1, -1 }, + .div = { CGU_REG_CLOCKCONTROL, 12, 1, 4, 20, -1, -1 }, }, [JZ4780_CLK_PCLK] = { "pclk", CGU_CLK_DIV, .parents = { JZ4780_CLK_AHB2PMUX, -1, -1, -1 }, - .div = { CGU_REG_CLOCKCONTROL, 16, 4, 20, -1, -1 }, + .div = { CGU_REG_CLOCKCONTROL, 16, 1, 4, 20, -1, -1 }, }, [JZ4780_CLK_DDR] = { "ddr", CGU_CLK_MUX | CGU_CLK_DIV, .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, -1 }, .mux = { CGU_REG_DDRCDR, 30, 2 }, - .div = { CGU_REG_DDRCDR, 0, 4, 29, 28, 27 }, + .div = { CGU_REG_DDRCDR, 0, 1, 4, 29, 28, 27 }, }, [JZ4780_CLK_VPU] = { @@ -344,7 +344,7 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_EPLL, -1 }, .mux = { CGU_REG_VPUCDR, 30, 2 }, - .div = { CGU_REG_VPUCDR, 0, 4, 29, 28, 27 }, + .div = { CGU_REG_VPUCDR, 0, 1, 4, 29, 28, 27 }, .gate = { CGU_REG_CLKGR1, 2 }, }, @@ -352,7 +352,7 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { "i2s_pll", CGU_CLK_MUX | CGU_CLK_DIV, .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_EPLL, -1, -1 }, .mux = { CGU_REG_I2SCDR, 30, 1 }, - .div = { CGU_REG_I2SCDR, 0, 8, 29, 28, 27 }, + .div = { CGU_REG_I2SCDR, 0, 1, 8, 29, 28, 27 }, }, [JZ4780_CLK_I2S] = { @@ -366,7 +366,7 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_VPLL, -1 }, .mux = { CGU_REG_LP0CDR, 30, 2 }, - .div = { CGU_REG_LP0CDR, 0, 8, 28, 27, 26 }, + .div = { CGU_REG_LP0CDR, 0, 1, 8, 28, 27, 26 }, }, [JZ4780_CLK_LCD1PIXCLK] = { @@ -374,7 +374,7 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_VPLL, -1 }, .mux = { CGU_REG_LP1CDR, 30, 2 }, - .div = { CGU_REG_LP1CDR, 0, 8, 28, 27, 26 }, + .div = { CGU_REG_LP1CDR, 0, 1, 8, 28, 27, 26 }, }, [JZ4780_CLK_MSCMUX] = { @@ -386,21 +386,21 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { [JZ4780_CLK_MSC0] = { "msc0", CGU_CLK_DIV | CGU_CLK_GATE, .parents = { JZ4780_CLK_MSCMUX, -1, -1, -1 }, - .div = { CGU_REG_MSC0CDR, 0, 8, 29, 28, 27 }, + .div = { CGU_REG_MSC0CDR, 0, 2, 8, 29, 28, 27 }, .gate = { CGU_REG_CLKGR0, 3 }, }, [JZ4780_CLK_MSC1] = { "msc1", CGU_CLK_DIV | CGU_CLK_GATE, .parents = { JZ4780_CLK_MSCMUX, -1, -1, -1 }, - .div = { CGU_REG_MSC1CDR, 0, 8, 29, 28, 27 }, + .div = { CGU_REG_MSC1CDR, 0, 2, 8, 29, 28, 27 }, .gate = { CGU_REG_CLKGR0, 11 }, }, [JZ4780_CLK_MSC2] = { "msc2", CGU_CLK_DIV | CGU_CLK_GATE, .parents = { JZ4780_CLK_MSCMUX, -1, -1, -1 }, - .div = { CGU_REG_MSC2CDR, 0, 8, 29, 28, 27 }, + .div = { CGU_REG_MSC2CDR, 0, 2, 8, 29, 28, 27 }, .gate = { CGU_REG_CLKGR0, 12 }, }, @@ -409,7 +409,7 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_EPLL, JZ4780_CLK_OTGPHY }, .mux = { CGU_REG_UHCCDR, 30, 2 }, - .div = { CGU_REG_UHCCDR, 0, 8, 29, 28, 27 }, + .div = { CGU_REG_UHCCDR, 0, 1, 8, 29, 28, 27 }, .gate = { CGU_REG_CLKGR0, 24 }, }, @@ -417,7 +417,7 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { "ssi_pll", CGU_CLK_MUX | CGU_CLK_DIV, .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, -1, -1 }, .mux = { CGU_REG_SSICDR, 30, 1 }, - .div = { CGU_REG_SSICDR, 0, 8, 29, 28, 27 }, + .div = { CGU_REG_SSICDR, 0, 1, 8, 29, 28, 27 }, }, [JZ4780_CLK_SSI] = { @@ -430,7 +430,7 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { "cim_mclk", CGU_CLK_MUX | CGU_CLK_DIV, .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, -1, -1 }, .mux = { CGU_REG_CIMCDR, 31, 1 }, - .div = { CGU_REG_CIMCDR, 0, 8, 30, 29, 28 }, + .div = { CGU_REG_CIMCDR, 0, 1, 8, 30, 29, 28 }, }, [JZ4780_CLK_PCMPLL] = { @@ -438,7 +438,7 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_EPLL, JZ4780_CLK_VPLL }, .mux = { CGU_REG_PCMCDR, 29, 2 }, - .div = { CGU_REG_PCMCDR, 0, 8, 28, 27, 26 }, + .div = { CGU_REG_PCMCDR, 0, 1, 8, 28, 27, 26 }, }, [JZ4780_CLK_PCM] = { @@ -453,7 +453,7 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_EPLL }, .mux = { CGU_REG_GPUCDR, 30, 2 }, - .div = { CGU_REG_GPUCDR, 0, 4, 29, 28, 27 }, + .div = { CGU_REG_GPUCDR, 0, 1, 4, 29, 28, 27 }, .gate = { CGU_REG_CLKGR1, 4 }, }, @@ -462,7 +462,7 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { .parents = { JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_VPLL, -1 }, .mux = { CGU_REG_HDMICDR, 30, 2 }, - .div = { CGU_REG_HDMICDR, 0, 8, 29, 28, 26 }, + .div = { CGU_REG_HDMICDR, 0, 1, 8, 29, 28, 26 }, .gate = { CGU_REG_CLKGR1, 9 }, }, @@ -471,7 +471,7 @@ static const struct ingenic_cgu_clk_info jz4780_cgu_clocks[] = { .parents = { -1, JZ4780_CLK_SCLKA, JZ4780_CLK_MPLL, JZ4780_CLK_EPLL }, .mux = { CGU_REG_BCHCDR, 30, 2 }, - .div = { CGU_REG_BCHCDR, 0, 4, 29, 28, 27 }, + .div = { CGU_REG_BCHCDR, 0, 1, 4, 29, 28, 27 }, .gate = { CGU_REG_CLKGR0, 1 }, }, diff --git a/drivers/clk/meson/meson8b-clkc.c b/drivers/clk/meson/meson8b-clkc.c index 61f6d55..4d057b3 100644 --- a/drivers/clk/meson/meson8b-clkc.c +++ b/drivers/clk/meson/meson8b-clkc.c @@ -141,11 +141,11 @@ static const struct composite_conf mali_conf __initconst = { }; static const struct clk_conf meson8b_xtal_conf __initconst = - FIXED_RATE_P(MESON8B_REG_CTL0_ADDR, CLKID_XTAL, "xtal", - CLK_IS_ROOT, PARM(0x00, 4, 7)); + FIXED_RATE_P(MESON8B_REG_CTL0_ADDR, CLKID_XTAL, "xtal", 0, + PARM(0x00, 4, 7)); static const struct clk_conf meson8b_clk_confs[] __initconst = { - FIXED_RATE(CLKID_ZERO, "zero", CLK_IS_ROOT, 0), + FIXED_RATE(CLKID_ZERO, "zero", 0, 0), PLL(MESON8B_REG_PLL_FIXED, CLKID_PLL_FIXED, "fixed_pll", p_xtal, 0, &pll_confs), PLL(MESON8B_REG_PLL_VID, CLKID_PLL_VID, "vid_pll", diff --git a/drivers/clk/mmp/clk-mmp2.c b/drivers/clk/mmp/clk-mmp2.c index 38931db..383f6a4 100644 --- a/drivers/clk/mmp/clk-mmp2.c +++ b/drivers/clk/mmp/clk-mmp2.c @@ -99,23 +99,19 @@ void __init mmp2_clk_init(phys_addr_t mpmu_phys, phys_addr_t apmu_phys, return; } - clk = clk_register_fixed_rate(NULL, "clk32", NULL, CLK_IS_ROOT, 3200); + clk = clk_register_fixed_rate(NULL, "clk32", NULL, 0, 3200); clk_register_clkdev(clk, "clk32", NULL); - vctcxo = clk_register_fixed_rate(NULL, "vctcxo", NULL, CLK_IS_ROOT, - 26000000); + vctcxo = clk_register_fixed_rate(NULL, "vctcxo", NULL, 0, 26000000); clk_register_clkdev(vctcxo, "vctcxo", NULL); - clk = clk_register_fixed_rate(NULL, "pll1", NULL, CLK_IS_ROOT, - 800000000); + clk = clk_register_fixed_rate(NULL, "pll1", NULL, 0, 800000000); clk_register_clkdev(clk, "pll1", NULL); - clk = clk_register_fixed_rate(NULL, "usb_pll", NULL, CLK_IS_ROOT, - 480000000); + clk = clk_register_fixed_rate(NULL, "usb_pll", NULL, 0, 480000000); clk_register_clkdev(clk, "usb_pll", NULL); - clk = clk_register_fixed_rate(NULL, "pll2", NULL, CLK_IS_ROOT, - 960000000); + clk = clk_register_fixed_rate(NULL, "pll2", NULL, 0, 960000000); clk_register_clkdev(clk, "pll2", NULL); clk = clk_register_fixed_factor(NULL, "pll1_2", "pll1", diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c index 251533d..3a51fff 100644 --- a/drivers/clk/mmp/clk-of-mmp2.c +++ b/drivers/clk/mmp/clk-of-mmp2.c @@ -63,11 +63,11 @@ struct mmp2_clk_unit { }; static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = { - {MMP2_CLK_CLK32, "clk32", NULL, CLK_IS_ROOT, 32768}, - {MMP2_CLK_VCTCXO, "vctcxo", NULL, CLK_IS_ROOT, 26000000}, - {MMP2_CLK_PLL1, "pll1", NULL, CLK_IS_ROOT, 800000000}, - {MMP2_CLK_PLL2, "pll2", NULL, CLK_IS_ROOT, 960000000}, - {MMP2_CLK_USB_PLL, "usb_pll", NULL, CLK_IS_ROOT, 480000000}, + {MMP2_CLK_CLK32, "clk32", NULL, 0, 32768}, + {MMP2_CLK_VCTCXO, "vctcxo", NULL, 0, 26000000}, + {MMP2_CLK_PLL1, "pll1", NULL, 0, 800000000}, + {MMP2_CLK_PLL2, "pll2", NULL, 0, 960000000}, + {MMP2_CLK_USB_PLL, "usb_pll", NULL, 0, 480000000}, }; static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = { diff --git a/drivers/clk/mmp/clk-of-pxa168.c b/drivers/clk/mmp/clk-of-pxa168.c index 64eaf41..87f2317 100644 --- a/drivers/clk/mmp/clk-of-pxa168.c +++ b/drivers/clk/mmp/clk-of-pxa168.c @@ -56,10 +56,10 @@ struct pxa168_clk_unit { }; static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = { - {PXA168_CLK_CLK32, "clk32", NULL, CLK_IS_ROOT, 32768}, - {PXA168_CLK_VCTCXO, "vctcxo", NULL, CLK_IS_ROOT, 26000000}, - {PXA168_CLK_PLL1, "pll1", NULL, CLK_IS_ROOT, 624000000}, - {PXA168_CLK_USB_PLL, "usb_pll", NULL, CLK_IS_ROOT, 480000000}, + {PXA168_CLK_CLK32, "clk32", NULL, 0, 32768}, + {PXA168_CLK_VCTCXO, "vctcxo", NULL, 0, 26000000}, + {PXA168_CLK_PLL1, "pll1", NULL, 0, 624000000}, + {PXA168_CLK_USB_PLL, "usb_pll", NULL, 0, 480000000}, }; static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = { diff --git a/drivers/clk/mmp/clk-of-pxa1928.c b/drivers/clk/mmp/clk-of-pxa1928.c index 433a5ae..e478ff4 100644 --- a/drivers/clk/mmp/clk-of-pxa1928.c +++ b/drivers/clk/mmp/clk-of-pxa1928.c @@ -34,12 +34,12 @@ struct pxa1928_clk_unit { }; static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = { - {0, "clk32", NULL, CLK_IS_ROOT, 32768}, - {0, "vctcxo", NULL, CLK_IS_ROOT, 26000000}, - {0, "pll1_624", NULL, CLK_IS_ROOT, 624000000}, - {0, "pll5p", NULL, CLK_IS_ROOT, 832000000}, - {0, "pll5", NULL, CLK_IS_ROOT, 1248000000}, - {0, "usb_pll", NULL, CLK_IS_ROOT, 480000000}, + {0, "clk32", NULL, 0, 32768}, + {0, "vctcxo", NULL, 0, 26000000}, + {0, "pll1_624", NULL, 0, 624000000}, + {0, "pll5p", NULL, 0, 832000000}, + {0, "pll5", NULL, 0, 1248000000}, + {0, "usb_pll", NULL, 0, 480000000}, }; static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = { diff --git a/drivers/clk/mmp/clk-of-pxa910.c b/drivers/clk/mmp/clk-of-pxa910.c index 13d6173..e22a67f 100644 --- a/drivers/clk/mmp/clk-of-pxa910.c +++ b/drivers/clk/mmp/clk-of-pxa910.c @@ -56,10 +56,10 @@ struct pxa910_clk_unit { }; static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = { - {PXA910_CLK_CLK32, "clk32", NULL, CLK_IS_ROOT, 32768}, - {PXA910_CLK_VCTCXO, "vctcxo", NULL, CLK_IS_ROOT, 26000000}, - {PXA910_CLK_PLL1, "pll1", NULL, CLK_IS_ROOT, 624000000}, - {PXA910_CLK_USB_PLL, "usb_pll", NULL, CLK_IS_ROOT, 480000000}, + {PXA910_CLK_CLK32, "clk32", NULL, 0, 32768}, + {PXA910_CLK_VCTCXO, "vctcxo", NULL, 0, 26000000}, + {PXA910_CLK_PLL1, "pll1", NULL, 0, 624000000}, + {PXA910_CLK_USB_PLL, "usb_pll", NULL, 0, 480000000}, }; static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = { diff --git a/drivers/clk/mmp/clk-pxa168.c b/drivers/clk/mmp/clk-pxa168.c index 0dd83fb..a9ef920 100644 --- a/drivers/clk/mmp/clk-pxa168.c +++ b/drivers/clk/mmp/clk-pxa168.c @@ -92,15 +92,13 @@ void __init pxa168_clk_init(phys_addr_t mpmu_phys, phys_addr_t apmu_phys, return; } - clk = clk_register_fixed_rate(NULL, "clk32", NULL, CLK_IS_ROOT, 3200); + clk = clk_register_fixed_rate(NULL, "clk32", NULL, 0, 3200); clk_register_clkdev(clk, "clk32", NULL); - clk = clk_register_fixed_rate(NULL, "vctcxo", NULL, CLK_IS_ROOT, - 26000000); + clk = clk_register_fixed_rate(NULL, "vctcxo", NULL, 0, 26000000); clk_register_clkdev(clk, "vctcxo", NULL); - clk = clk_register_fixed_rate(NULL, "pll1", NULL, CLK_IS_ROOT, - 624000000); + clk = clk_register_fixed_rate(NULL, "pll1", NULL, 0, 624000000); clk_register_clkdev(clk, "pll1", NULL); clk = clk_register_fixed_factor(NULL, "pll1_2", "pll1", diff --git a/drivers/clk/mmp/clk-pxa910.c b/drivers/clk/mmp/clk-pxa910.c index e1d2ce2..a520cf7 100644 --- a/drivers/clk/mmp/clk-pxa910.c +++ b/drivers/clk/mmp/clk-pxa910.c @@ -97,15 +97,13 @@ void __init pxa910_clk_init(phys_addr_t mpmu_phys, phys_addr_t apmu_phys, return; } - clk = clk_register_fixed_rate(NULL, "clk32", NULL, CLK_IS_ROOT, 3200); + clk = clk_register_fixed_rate(NULL, "clk32", NULL, 0, 3200); clk_register_clkdev(clk, "clk32", NULL); - clk = clk_register_fixed_rate(NULL, "vctcxo", NULL, CLK_IS_ROOT, - 26000000); + clk = clk_register_fixed_rate(NULL, "vctcxo", NULL, 0, 26000000); clk_register_clkdev(clk, "vctcxo", NULL); - clk = clk_register_fixed_rate(NULL, "pll1", NULL, CLK_IS_ROOT, - 624000000); + clk = clk_register_fixed_rate(NULL, "pll1", NULL, 0, 624000000); clk_register_clkdev(clk, "pll1", NULL); clk = clk_register_fixed_factor(NULL, "pll1_2", "pll1", diff --git a/drivers/clk/mvebu/Kconfig b/drivers/clk/mvebu/Kconfig index eaee8f0..3165da7 100644 --- a/drivers/clk/mvebu/Kconfig +++ b/drivers/clk/mvebu/Kconfig @@ -29,6 +29,12 @@ config ARMADA_XP_CLK select MVEBU_CLK_COMMON select MVEBU_CLK_CPU +config ARMADA_AP806_SYSCON + bool + +config ARMADA_CP110_SYSCON + bool + config DOVE_CLK bool select MVEBU_CLK_COMMON diff --git a/drivers/clk/mvebu/Makefile b/drivers/clk/mvebu/Makefile index 8866115..7172ef6 100644 --- a/drivers/clk/mvebu/Makefile +++ b/drivers/clk/mvebu/Makefile @@ -7,6 +7,8 @@ obj-$(CONFIG_ARMADA_375_CLK) += armada-375.o obj-$(CONFIG_ARMADA_38X_CLK) += armada-38x.o obj-$(CONFIG_ARMADA_39X_CLK) += armada-39x.o obj-$(CONFIG_ARMADA_XP_CLK) += armada-xp.o +obj-$(CONFIG_ARMADA_AP806_SYSCON) += ap806-system-controller.o +obj-$(CONFIG_ARMADA_CP110_SYSCON) += cp110-system-controller.o obj-$(CONFIG_DOVE_CLK) += dove.o dove-divider.o obj-$(CONFIG_KIRKWOOD_CLK) += kirkwood.o obj-$(CONFIG_ORION_CLK) += orion.o diff --git a/drivers/clk/mvebu/ap806-system-controller.c b/drivers/clk/mvebu/ap806-system-controller.c new file mode 100644 index 0000000..02023ba --- /dev/null +++ b/drivers/clk/mvebu/ap806-system-controller.c @@ -0,0 +1,168 @@ +/* + * Marvell Armada AP806 System Controller + * + * Copyright (C) 2016 Marvell + * + * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#define pr_fmt(fmt) "ap806-system-controller: " fmt + +#include <linux/clk-provider.h> +#include <linux/mfd/syscon.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> + +#define AP806_SAR_REG 0x400 +#define AP806_SAR_CLKFREQ_MODE_MASK 0x1f + +#define AP806_CLK_NUM 4 + +static struct clk *ap806_clks[AP806_CLK_NUM]; + +static struct clk_onecell_data ap806_clk_data = { + .clks = ap806_clks, + .clk_num = AP806_CLK_NUM, +}; + +static int ap806_syscon_clk_probe(struct platform_device *pdev) +{ + unsigned int freq_mode, cpuclk_freq; + const char *name, *fixedclk_name; + struct device_node *np = pdev->dev.of_node; + struct regmap *regmap; + u32 reg; + int ret; + + regmap = syscon_node_to_regmap(np); + if (IS_ERR(regmap)) { + dev_err(&pdev->dev, "cannot get regmap\n"); + return PTR_ERR(regmap); + } + + ret = regmap_read(regmap, AP806_SAR_REG, ®); + if (ret) { + dev_err(&pdev->dev, "cannot read from regmap\n"); + return ret; + } + + freq_mode = reg & AP806_SAR_CLKFREQ_MODE_MASK; + switch (freq_mode) { + case 0x0 ... 0x5: + cpuclk_freq = 2000; + break; + case 0x6 ... 0xB: + cpuclk_freq = 1800; + break; + case 0xC ... 0x11: + cpuclk_freq = 1600; + break; + case 0x12 ... 0x16: + cpuclk_freq = 1400; + break; + case 0x17 ... 0x19: + cpuclk_freq = 1300; + break; + default: + dev_err(&pdev->dev, "invalid SAR value\n"); + return -EINVAL; + } + + /* Convert to hertz */ + cpuclk_freq *= 1000 * 1000; + + /* CPU clocks depend on the Sample At Reset configuration */ + of_property_read_string_index(np, "clock-output-names", + 0, &name); + ap806_clks[0] = clk_register_fixed_rate(&pdev->dev, name, NULL, + 0, cpuclk_freq); + if (IS_ERR(ap806_clks[0])) { + ret = PTR_ERR(ap806_clks[0]); + goto fail0; + } + + of_property_read_string_index(np, "clock-output-names", + 1, &name); + ap806_clks[1] = clk_register_fixed_rate(&pdev->dev, name, NULL, 0, + cpuclk_freq); + if (IS_ERR(ap806_clks[1])) { + ret = PTR_ERR(ap806_clks[1]); + goto fail1; + } + + /* Fixed clock is always 1200 Mhz */ + of_property_read_string_index(np, "clock-output-names", + 2, &fixedclk_name); + ap806_clks[2] = clk_register_fixed_rate(&pdev->dev, fixedclk_name, NULL, + 0, 1200 * 1000 * 1000); + if (IS_ERR(ap806_clks[2])) { + ret = PTR_ERR(ap806_clks[2]); + goto fail2; + } + + /* MSS Clock is fixed clock divided by 6 */ + of_property_read_string_index(np, "clock-output-names", + 3, &name); + ap806_clks[3] = clk_register_fixed_factor(NULL, name, fixedclk_name, + 0, 1, 6); + if (IS_ERR(ap806_clks[3])) { + ret = PTR_ERR(ap806_clks[3]); + goto fail3; + } + + ret = of_clk_add_provider(np, of_clk_src_onecell_get, &ap806_clk_data); + if (ret) + goto fail_clk_add; + + return 0; + +fail_clk_add: + clk_unregister_fixed_factor(ap806_clks[3]); +fail3: + clk_unregister_fixed_rate(ap806_clks[2]); +fail2: + clk_unregister_fixed_rate(ap806_clks[1]); +fail1: + clk_unregister_fixed_rate(ap806_clks[0]); +fail0: + return ret; +} + +static int ap806_syscon_clk_remove(struct platform_device *pdev) +{ + of_clk_del_provider(pdev->dev.of_node); + clk_unregister_fixed_factor(ap806_clks[3]); + clk_unregister_fixed_rate(ap806_clks[2]); + clk_unregister_fixed_rate(ap806_clks[1]); + clk_unregister_fixed_rate(ap806_clks[0]); + + return 0; +} + +static const struct of_device_id ap806_syscon_of_match[] = { + { .compatible = "marvell,ap806-system-controller", }, + { } +}; +MODULE_DEVICE_TABLE(of, armada8k_pcie_of_match); + +static struct platform_driver ap806_syscon_driver = { + .probe = ap806_syscon_clk_probe, + .remove = ap806_syscon_clk_remove, + .driver = { + .name = "marvell-ap806-system-controller", + .of_match_table = ap806_syscon_of_match, + }, +}; + +module_platform_driver(ap806_syscon_driver); + +MODULE_DESCRIPTION("Marvell AP806 System Controller driver"); +MODULE_AUTHOR("Thomas Petazzoni <thomas.petazzoni@free-electrons.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mvebu/cp110-system-controller.c b/drivers/clk/mvebu/cp110-system-controller.c new file mode 100644 index 0000000..7fa42d6 --- /dev/null +++ b/drivers/clk/mvebu/cp110-system-controller.c @@ -0,0 +1,406 @@ +/* + * Marvell Armada CP110 System Controller + * + * Copyright (C) 2016 Marvell + * + * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +/* + * CP110 has 5 core clocks: + * + * - APLL (1 Ghz) + * - PPv2 core (1/3 APLL) + * - EIP (1/2 APLL) + * - Core (1/2 EIP) + * + * - NAND clock, which is either: + * - Equal to the core clock + * - 2/5 APLL + * + * CP110 has 32 gatable clocks, for the various peripherals in the + * IP. They have fairly complicated parent/child relationships. + */ + +#define pr_fmt(fmt) "cp110-system-controller: " fmt + +#include <linux/clk-provider.h> +#include <linux/mfd/syscon.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <linux/slab.h> + +#define CP110_PM_CLOCK_GATING_REG 0x220 +#define CP110_NAND_FLASH_CLK_CTRL_REG 0x700 +#define NF_CLOCK_SEL_400_MASK BIT(0) + +enum { + CP110_CLK_TYPE_CORE, + CP110_CLK_TYPE_GATABLE, +}; + +#define CP110_MAX_CORE_CLOCKS 5 +#define CP110_MAX_GATABLE_CLOCKS 32 + +#define CP110_CLK_NUM \ + (CP110_MAX_CORE_CLOCKS + CP110_MAX_GATABLE_CLOCKS) + +#define CP110_CORE_APLL 0 +#define CP110_CORE_PPV2 1 +#define CP110_CORE_EIP 2 +#define CP110_CORE_CORE 3 +#define CP110_CORE_NAND 4 + +/* A number of gatable clocks need special handling */ +#define CP110_GATE_AUDIO 0 +#define CP110_GATE_COMM_UNIT 1 +#define CP110_GATE_NAND 2 +#define CP110_GATE_PPV2 3 +#define CP110_GATE_SDIO 4 +#define CP110_GATE_XOR1 7 +#define CP110_GATE_XOR0 8 +#define CP110_GATE_PCIE_X1_0 11 +#define CP110_GATE_PCIE_X1_1 12 +#define CP110_GATE_PCIE_X4 13 +#define CP110_GATE_PCIE_XOR 14 +#define CP110_GATE_SATA 15 +#define CP110_GATE_SATA_USB 16 +#define CP110_GATE_MAIN 17 +#define CP110_GATE_SDMMC 18 +#define CP110_GATE_SLOW_IO 21 +#define CP110_GATE_USB3H0 22 +#define CP110_GATE_USB3H1 23 +#define CP110_GATE_USB3DEV 24 +#define CP110_GATE_EIP150 25 +#define CP110_GATE_EIP197 26 + +static struct clk *cp110_clks[CP110_CLK_NUM]; + +static struct clk_onecell_data cp110_clk_data = { + .clks = cp110_clks, + .clk_num = CP110_CLK_NUM, +}; + +struct cp110_gate_clk { + struct clk_hw hw; + struct regmap *regmap; + u8 bit_idx; +}; + +#define to_cp110_gate_clk(clk) container_of(clk, struct cp110_gate_clk, hw) + +static int cp110_gate_enable(struct clk_hw *hw) +{ + struct cp110_gate_clk *gate = to_cp110_gate_clk(hw); + + regmap_update_bits(gate->regmap, CP110_PM_CLOCK_GATING_REG, + BIT(gate->bit_idx), BIT(gate->bit_idx)); + + return 0; +} + +static void cp110_gate_disable(struct clk_hw *hw) +{ + struct cp110_gate_clk *gate = to_cp110_gate_clk(hw); + + regmap_update_bits(gate->regmap, CP110_PM_CLOCK_GATING_REG, + BIT(gate->bit_idx), 0); +} + +static int cp110_gate_is_enabled(struct clk_hw *hw) +{ + struct cp110_gate_clk *gate = to_cp110_gate_clk(hw); + u32 val; + + regmap_read(gate->regmap, CP110_PM_CLOCK_GATING_REG, &val); + + return val & BIT(gate->bit_idx); +} + +static const struct clk_ops cp110_gate_ops = { + .enable = cp110_gate_enable, + .disable = cp110_gate_disable, + .is_enabled = cp110_gate_is_enabled, +}; + +static struct clk *cp110_register_gate(const char *name, + const char *parent_name, + struct regmap *regmap, u8 bit_idx) +{ + struct cp110_gate_clk *gate; + struct clk *clk; + struct clk_init_data init; + + gate = kzalloc(sizeof(*gate), GFP_KERNEL); + if (!gate) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &cp110_gate_ops; + init.parent_names = &parent_name; + init.num_parents = 1; + + gate->regmap = regmap; + gate->bit_idx = bit_idx; + gate->hw.init = &init; + + clk = clk_register(NULL, &gate->hw); + if (IS_ERR(clk)) + kfree(gate); + + return clk; +} + +static void cp110_unregister_gate(struct clk *clk) +{ + struct clk_hw *hw; + + hw = __clk_get_hw(clk); + if (!hw) + return; + + clk_unregister(clk); + kfree(to_cp110_gate_clk(hw)); +} + +static struct clk *cp110_of_clk_get(struct of_phandle_args *clkspec, void *data) +{ + struct clk_onecell_data *clk_data = data; + unsigned int type = clkspec->args[0]; + unsigned int idx = clkspec->args[1]; + + if (type == CP110_CLK_TYPE_CORE) { + if (idx > CP110_MAX_CORE_CLOCKS) + return ERR_PTR(-EINVAL); + return clk_data->clks[idx]; + } else if (type == CP110_CLK_TYPE_GATABLE) { + if (idx > CP110_MAX_GATABLE_CLOCKS) + return ERR_PTR(-EINVAL); + return clk_data->clks[CP110_MAX_CORE_CLOCKS + idx]; + } + + return ERR_PTR(-EINVAL); +} + +static int cp110_syscon_clk_probe(struct platform_device *pdev) +{ + struct regmap *regmap; + struct device_node *np = pdev->dev.of_node; + const char *ppv2_name, *apll_name, *core_name, *eip_name, *nand_name; + struct clk *clk; + u32 nand_clk_ctrl; + int i, ret; + + regmap = syscon_node_to_regmap(np); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + ret = regmap_read(regmap, CP110_NAND_FLASH_CLK_CTRL_REG, + &nand_clk_ctrl); + if (ret) + return ret; + + /* Register the APLL which is the root of the clk tree */ + of_property_read_string_index(np, "core-clock-output-names", + CP110_CORE_APLL, &apll_name); + clk = clk_register_fixed_rate(NULL, apll_name, NULL, 0, + 1000 * 1000 * 1000); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + goto fail0; + } + + cp110_clks[CP110_CORE_APLL] = clk; + + /* PPv2 is APLL/3 */ + of_property_read_string_index(np, "core-clock-output-names", + CP110_CORE_PPV2, &ppv2_name); + clk = clk_register_fixed_factor(NULL, ppv2_name, apll_name, 0, 1, 3); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + goto fail1; + } + + cp110_clks[CP110_CORE_PPV2] = clk; + + /* EIP clock is APLL/2 */ + of_property_read_string_index(np, "core-clock-output-names", + CP110_CORE_EIP, &eip_name); + clk = clk_register_fixed_factor(NULL, eip_name, apll_name, 0, 1, 2); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + goto fail2; + } + + cp110_clks[CP110_CORE_EIP] = clk; + + /* Core clock is EIP/2 */ + of_property_read_string_index(np, "core-clock-output-names", + CP110_CORE_CORE, &core_name); + clk = clk_register_fixed_factor(NULL, core_name, eip_name, 0, 1, 2); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + goto fail3; + } + + cp110_clks[CP110_CORE_CORE] = clk; + + /* NAND can be either APLL/2.5 or core clock */ + of_property_read_string_index(np, "core-clock-output-names", + CP110_CORE_NAND, &nand_name); + if (nand_clk_ctrl & NF_CLOCK_SEL_400_MASK) + clk = clk_register_fixed_factor(NULL, nand_name, + apll_name, 0, 2, 5); + else + clk = clk_register_fixed_factor(NULL, nand_name, + core_name, 0, 1, 1); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + goto fail4; + } + + cp110_clks[CP110_CORE_NAND] = clk; + + for (i = 0; i < CP110_MAX_GATABLE_CLOCKS; i++) { + const char *parent, *name; + int ret; + + ret = of_property_read_string_index(np, + "gate-clock-output-names", + i, &name); + /* Reached the end of the list? */ + if (ret < 0) + break; + + if (!strcmp(name, "none")) + continue; + + switch (i) { + case CP110_GATE_AUDIO: + case CP110_GATE_COMM_UNIT: + case CP110_GATE_EIP150: + case CP110_GATE_EIP197: + case CP110_GATE_SLOW_IO: + of_property_read_string_index(np, + "gate-clock-output-names", + CP110_GATE_MAIN, &parent); + break; + case CP110_GATE_NAND: + parent = nand_name; + break; + case CP110_GATE_PPV2: + parent = ppv2_name; + break; + case CP110_GATE_SDIO: + of_property_read_string_index(np, + "gate-clock-output-names", + CP110_GATE_SDMMC, &parent); + break; + case CP110_GATE_XOR1: + case CP110_GATE_XOR0: + case CP110_GATE_PCIE_X1_0: + case CP110_GATE_PCIE_X1_1: + case CP110_GATE_PCIE_X4: + of_property_read_string_index(np, + "gate-clock-output-names", + CP110_GATE_PCIE_XOR, &parent); + break; + case CP110_GATE_SATA: + case CP110_GATE_USB3H0: + case CP110_GATE_USB3H1: + case CP110_GATE_USB3DEV: + of_property_read_string_index(np, + "gate-clock-output-names", + CP110_GATE_SATA_USB, &parent); + break; + default: + parent = core_name; + break; + } + + clk = cp110_register_gate(name, parent, regmap, i); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + goto fail_gate; + } + + cp110_clks[CP110_MAX_CORE_CLOCKS + i] = clk; + } + + ret = of_clk_add_provider(np, cp110_of_clk_get, &cp110_clk_data); + if (ret) + goto fail_clk_add; + + return 0; + +fail_clk_add: +fail_gate: + for (i = 0; i < CP110_MAX_GATABLE_CLOCKS; i++) { + clk = cp110_clks[CP110_MAX_CORE_CLOCKS + i]; + + if (clk) + cp110_unregister_gate(clk); + } + + clk_unregister_fixed_factor(cp110_clks[CP110_CORE_NAND]); +fail4: + clk_unregister_fixed_factor(cp110_clks[CP110_CORE_CORE]); +fail3: + clk_unregister_fixed_factor(cp110_clks[CP110_CORE_EIP]); +fail2: + clk_unregister_fixed_factor(cp110_clks[CP110_CORE_PPV2]); +fail1: + clk_unregister_fixed_rate(cp110_clks[CP110_CORE_APLL]); +fail0: + return ret; +} + +static int cp110_syscon_clk_remove(struct platform_device *pdev) +{ + int i; + + of_clk_del_provider(pdev->dev.of_node); + + for (i = 0; i < CP110_MAX_GATABLE_CLOCKS; i++) { + struct clk *clk = cp110_clks[CP110_MAX_CORE_CLOCKS + i]; + + if (clk) + cp110_unregister_gate(clk); + } + + clk_unregister_fixed_factor(cp110_clks[CP110_CORE_NAND]); + clk_unregister_fixed_factor(cp110_clks[CP110_CORE_CORE]); + clk_unregister_fixed_factor(cp110_clks[CP110_CORE_EIP]); + clk_unregister_fixed_factor(cp110_clks[CP110_CORE_PPV2]); + clk_unregister_fixed_rate(cp110_clks[CP110_CORE_APLL]); + + return 0; +} + +static const struct of_device_id cp110_syscon_of_match[] = { + { .compatible = "marvell,cp110-system-controller0", }, + { } +}; +MODULE_DEVICE_TABLE(of, armada8k_pcie_of_match); + +static struct platform_driver cp110_syscon_driver = { + .probe = cp110_syscon_clk_probe, + .remove = cp110_syscon_clk_remove, + .driver = { + .name = "marvell-cp110-system-controller0", + .of_match_table = cp110_syscon_of_match, + }, +}; + +module_platform_driver(cp110_syscon_driver); + +MODULE_DESCRIPTION("Marvell CP110 System Controller 0 driver"); +MODULE_AUTHOR("Thomas Petazzoni <thomas.petazzoni@free-electrons.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/nxp/clk-lpc18xx-creg.c b/drivers/clk/nxp/clk-lpc18xx-creg.c index d44b61a..9e35749 100644 --- a/drivers/clk/nxp/clk-lpc18xx-creg.c +++ b/drivers/clk/nxp/clk-lpc18xx-creg.c @@ -147,6 +147,7 @@ static struct clk *clk_register_creg_clk(struct device *dev, init.name = creg_clk->name; init.parent_names = parent_name; init.num_parents = 1; + init.flags = 0; creg_clk->reg = syscon; creg_clk->hw.init = &init; diff --git a/drivers/clk/qcom/gcc-msm8916.c b/drivers/clk/qcom/gcc-msm8916.c index 9c29080..5c4e193 100644 --- a/drivers/clk/qcom/gcc-msm8916.c +++ b/drivers/clk/qcom/gcc-msm8916.c @@ -2346,6 +2346,7 @@ static struct clk_branch gcc_crypto_ahb_clk = { "pcnoc_bfdcd_clk_src", }, .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, @@ -2381,6 +2382,7 @@ static struct clk_branch gcc_crypto_clk = { "crypto_clk_src", }, .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, .ops = &clk_branch2_ops, }, }, diff --git a/drivers/clk/qcom/mmcc-msm8996.c b/drivers/clk/qcom/mmcc-msm8996.c index 6df7ff3..847dd9da 100644 --- a/drivers/clk/qcom/mmcc-msm8996.c +++ b/drivers/clk/qcom/mmcc-msm8996.c @@ -1279,21 +1279,6 @@ static struct clk_branch mmss_misc_cxo_clk = { }, }; -static struct clk_branch mmss_mmagic_axi_clk = { - .halt_reg = 0x506c, - .clkr = { - .enable_reg = 0x506c, - .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ - .name = "mmss_mmagic_axi_clk", - .parent_names = (const char *[]){ "axi_clk_src" }, - .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, - .ops = &clk_branch2_ops, - }, - }, -}; - static struct clk_branch mmss_mmagic_maxi_clk = { .halt_reg = 0x5074, .clkr = { @@ -1579,21 +1564,6 @@ static struct clk_branch smmu_video_axi_clk = { }, }; -static struct clk_branch mmagic_bimc_axi_clk = { - .halt_reg = 0x5294, - .clkr = { - .enable_reg = 0x5294, - .enable_mask = BIT(0), - .hw.init = &(struct clk_init_data){ - .name = "mmagic_bimc_axi_clk", - .parent_names = (const char *[]){ "axi_clk_src" }, - .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, - .ops = &clk_branch2_ops, - }, - }, -}; - static struct clk_branch mmagic_bimc_noc_cfg_ahb_clk = { .halt_reg = 0x5298, .clkr = { @@ -3121,7 +3091,6 @@ static struct clk_regmap *mmcc_msm8996_clocks[] = { [MMSS_MMAGIC_CFG_AHB_CLK] = &mmss_mmagic_cfg_ahb_clk.clkr, [MMSS_MISC_AHB_CLK] = &mmss_misc_ahb_clk.clkr, [MMSS_MISC_CXO_CLK] = &mmss_misc_cxo_clk.clkr, - [MMSS_MMAGIC_AXI_CLK] = &mmss_mmagic_axi_clk.clkr, [MMSS_MMAGIC_MAXI_CLK] = &mmss_mmagic_maxi_clk.clkr, [MMAGIC_CAMSS_AXI_CLK] = &mmagic_camss_axi_clk.clkr, [MMAGIC_CAMSS_NOC_CFG_AHB_CLK] = &mmagic_camss_noc_cfg_ahb_clk.clkr, @@ -3141,7 +3110,6 @@ static struct clk_regmap *mmcc_msm8996_clocks[] = { [MMAGIC_VIDEO_NOC_CFG_AHB_CLK] = &mmagic_video_noc_cfg_ahb_clk.clkr, [SMMU_VIDEO_AHB_CLK] = &smmu_video_ahb_clk.clkr, [SMMU_VIDEO_AXI_CLK] = &smmu_video_axi_clk.clkr, - [MMAGIC_BIMC_AXI_CLK] = &mmagic_bimc_axi_clk.clkr, [MMAGIC_BIMC_NOC_CFG_AHB_CLK] = &mmagic_bimc_noc_cfg_ahb_clk.clkr, [GPU_GX_GFX3D_CLK] = &gpu_gx_gfx3d_clk.clkr, [GPU_GX_RBBMTIMER_CLK] = &gpu_gx_rbbmtimer_clk.clkr, diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c index 8b597b9..5093a25 100644 --- a/drivers/clk/renesas/clk-mstp.c +++ b/drivers/clk/renesas/clk-mstp.c @@ -316,11 +316,10 @@ void __init cpg_mstp_add_clk_domain(struct device_node *np) return; pd->name = np->name; - pd->flags = GENPD_FLAG_PM_CLK; - pm_genpd_init(pd, &simple_qos_governor, false); pd->attach_dev = cpg_mstp_attach_dev; pd->detach_dev = cpg_mstp_detach_dev; + pm_genpd_init(pd, &pm_domain_always_on_gov, false); of_genpd_add_provider_simple(np, pd); } diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c index 6af7f5b..ca5519c 100644 --- a/drivers/clk/renesas/r8a7795-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c @@ -120,6 +120,7 @@ static const struct cpg_core_clk r8a7795_core_clks[] __initconst = { DEF_DIV6P1("mso", R8A7795_CLK_MSO, CLK_PLL1_DIV4, 0x014), DEF_DIV6P1("hdmi", R8A7795_CLK_HDMI, CLK_PLL1_DIV2, 0x250), DEF_DIV6P1("canfd", R8A7795_CLK_CANFD, CLK_PLL1_DIV4, 0x244), + DEF_DIV6P1("csi0", R8A7795_CLK_CSI0, CLK_PLL1_DIV4, 0x00c), DEF_DIV6_RO("osc", R8A7795_CLK_OSC, CLK_EXTAL, CPG_RCKCR, 8), DEF_DIV6_RO("r_int", CLK_RINT, CLK_EXTAL, CPG_RCKCR, 32), @@ -190,6 +191,10 @@ static const struct mssr_mod_clk r8a7795_mod_clks[] __initconst = { DEF_MOD("ehci1", 702, R8A7795_CLK_S3D4), DEF_MOD("ehci0", 703, R8A7795_CLK_S3D4), DEF_MOD("hsusb", 704, R8A7795_CLK_S3D4), + DEF_MOD("csi21", 713, R8A7795_CLK_CSI0), + DEF_MOD("csi20", 714, R8A7795_CLK_CSI0), + DEF_MOD("csi41", 715, R8A7795_CLK_CSI0), + DEF_MOD("csi40", 716, R8A7795_CLK_CSI0), DEF_MOD("du3", 721, R8A7795_CLK_S2D1), DEF_MOD("du2", 722, R8A7795_CLK_S2D1), DEF_MOD("du1", 723, R8A7795_CLK_S2D1), @@ -197,6 +202,14 @@ static const struct mssr_mod_clk r8a7795_mod_clks[] __initconst = { DEF_MOD("lvds", 727, R8A7795_CLK_S2D1), DEF_MOD("hdmi1", 728, R8A7795_CLK_HDMI), DEF_MOD("hdmi0", 729, R8A7795_CLK_HDMI), + DEF_MOD("vin7", 804, R8A7795_CLK_S2D1), + DEF_MOD("vin6", 805, R8A7795_CLK_S2D1), + DEF_MOD("vin5", 806, R8A7795_CLK_S2D1), + DEF_MOD("vin4", 807, R8A7795_CLK_S2D1), + DEF_MOD("vin3", 808, R8A7795_CLK_S2D1), + DEF_MOD("vin2", 809, R8A7795_CLK_S2D1), + DEF_MOD("vin1", 810, R8A7795_CLK_S2D1), + DEF_MOD("vin0", 811, R8A7795_CLK_S2D1), DEF_MOD("etheravb", 812, R8A7795_CLK_S3D2), DEF_MOD("sata0", 815, R8A7795_CLK_S3D2), DEF_MOD("gpio7", 905, R8A7795_CLK_CP), diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c index 1f2dc362..210cd74 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.c +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -493,9 +493,9 @@ static int __init cpg_mssr_add_clk_domain(struct device *dev, genpd = &pd->genpd; genpd->name = np->name; genpd->flags = GENPD_FLAG_PM_CLK; - pm_genpd_init(genpd, &simple_qos_governor, false); genpd->attach_dev = cpg_mssr_attach_dev; genpd->detach_dev = cpg_mssr_detach_dev; + pm_genpd_init(genpd, &pm_domain_always_on_gov, false); cpg_mssr_clk_domain = pd; of_genpd_add_provider_simple(np, genpd); diff --git a/drivers/clk/rockchip/Makefile b/drivers/clk/rockchip/Makefile index 80b9a37..f47a2fa 100644 --- a/drivers/clk/rockchip/Makefile +++ b/drivers/clk/rockchip/Makefile @@ -15,3 +15,4 @@ obj-y += clk-rk3188.o obj-y += clk-rk3228.o obj-y += clk-rk3288.o obj-y += clk-rk3368.o +obj-y += clk-rk3399.o diff --git a/drivers/clk/rockchip/clk-cpu.c b/drivers/clk/rockchip/clk-cpu.c index 4e73ed5..4bb130c 100644 --- a/drivers/clk/rockchip/clk-cpu.c +++ b/drivers/clk/rockchip/clk-cpu.c @@ -158,12 +158,16 @@ static int rockchip_cpuclk_pre_rate_change(struct rockchip_cpuclk *cpuclk, writel(HIWORD_UPDATE(alt_div, reg_data->div_core_mask, reg_data->div_core_shift) | - HIWORD_UPDATE(1, 1, reg_data->mux_core_shift), + HIWORD_UPDATE(reg_data->mux_core_alt, + reg_data->mux_core_mask, + reg_data->mux_core_shift), cpuclk->reg_base + reg_data->core_reg); } else { /* select alternate parent */ - writel(HIWORD_UPDATE(1, 1, reg_data->mux_core_shift), - cpuclk->reg_base + reg_data->core_reg); + writel(HIWORD_UPDATE(reg_data->mux_core_alt, + reg_data->mux_core_mask, + reg_data->mux_core_shift), + cpuclk->reg_base + reg_data->core_reg); } spin_unlock_irqrestore(cpuclk->lock, flags); @@ -198,7 +202,9 @@ static int rockchip_cpuclk_post_rate_change(struct rockchip_cpuclk *cpuclk, writel(HIWORD_UPDATE(0, reg_data->div_core_mask, reg_data->div_core_shift) | - HIWORD_UPDATE(0, 1, reg_data->mux_core_shift), + HIWORD_UPDATE(reg_data->mux_core_main, + reg_data->mux_core_mask, + reg_data->mux_core_shift), cpuclk->reg_base + reg_data->core_reg); if (ndata->old_rate > ndata->new_rate) @@ -252,7 +258,7 @@ struct clk *rockchip_clk_register_cpuclk(const char *name, return ERR_PTR(-ENOMEM); init.name = name; - init.parent_names = &parent_names[0]; + init.parent_names = &parent_names[reg_data->mux_core_main]; init.num_parents = 1; init.ops = &rockchip_cpuclk_ops; @@ -270,10 +276,10 @@ struct clk *rockchip_clk_register_cpuclk(const char *name, cpuclk->clk_nb.notifier_call = rockchip_cpuclk_notifier_cb; cpuclk->hw.init = &init; - cpuclk->alt_parent = __clk_lookup(parent_names[1]); + cpuclk->alt_parent = __clk_lookup(parent_names[reg_data->mux_core_alt]); if (!cpuclk->alt_parent) { - pr_err("%s: could not lookup alternate parent\n", - __func__); + pr_err("%s: could not lookup alternate parent: (%d)\n", + __func__, reg_data->mux_core_alt); ret = -EINVAL; goto free_cpuclk; } @@ -285,10 +291,11 @@ struct clk *rockchip_clk_register_cpuclk(const char *name, goto free_cpuclk; } - clk = __clk_lookup(parent_names[0]); + clk = __clk_lookup(parent_names[reg_data->mux_core_main]); if (!clk) { - pr_err("%s: could not lookup parent clock %s\n", - __func__, parent_names[0]); + pr_err("%s: could not lookup parent clock: (%d) %s\n", + __func__, reg_data->mux_core_main, + parent_names[reg_data->mux_core_main]); ret = -EINVAL; goto free_alt_parent; } diff --git a/drivers/clk/rockchip/clk-mmc-phase.c b/drivers/clk/rockchip/clk-mmc-phase.c index e0dc7e8..bc856f2 100644 --- a/drivers/clk/rockchip/clk-mmc-phase.c +++ b/drivers/clk/rockchip/clk-mmc-phase.c @@ -123,7 +123,8 @@ static int rockchip_mmc_set_phase(struct clk_hw *hw, int degrees) raw_value = delay_num ? ROCKCHIP_MMC_DELAY_SEL : 0; raw_value |= delay_num << ROCKCHIP_MMC_DELAYNUM_OFFSET; raw_value |= nineties; - writel(HIWORD_UPDATE(raw_value, 0x07ff, mmc_clock->shift), mmc_clock->reg); + writel(HIWORD_UPDATE(raw_value, 0x07ff, mmc_clock->shift), + mmc_clock->reg); pr_debug("%s->set_phase(%d) delay_nums=%u reg[0x%p]=0x%03x actual_degrees=%d\n", clk_hw_get_name(hw), degrees, delay_num, diff --git a/drivers/clk/rockchip/clk-pll.c b/drivers/clk/rockchip/clk-pll.c index 5de797e..db81e45 100644 --- a/drivers/clk/rockchip/clk-pll.c +++ b/drivers/clk/rockchip/clk-pll.c @@ -46,6 +46,8 @@ struct rockchip_clk_pll { const struct rockchip_pll_rate_table *rate_table; unsigned int rate_count; spinlock_t *lock; + + struct rockchip_clk_provider *ctx; }; #define to_rockchip_clk_pll(_hw) container_of(_hw, struct rockchip_clk_pll, hw) @@ -90,15 +92,10 @@ static long rockchip_pll_round_rate(struct clk_hw *hw, */ static int rockchip_pll_wait_lock(struct rockchip_clk_pll *pll) { - struct regmap *grf = rockchip_clk_get_grf(); + struct regmap *grf = pll->ctx->grf; unsigned int val; int delay = 24000000, ret; - if (IS_ERR(grf)) { - pr_err("%s: grf regmap not available\n", __func__); - return PTR_ERR(grf); - } - while (delay > 0) { ret = regmap_read(grf, pll->lock_offset, &val); if (ret) { @@ -234,7 +231,7 @@ static int rockchip_rk3036_pll_set_params(struct rockchip_clk_pll *pll, /* wait for the pll to lock */ ret = rockchip_pll_wait_lock(pll); if (ret) { - pr_warn("%s: pll update unsucessful, trying to restore old params\n", + pr_warn("%s: pll update unsuccessful, trying to restore old params\n", __func__); rockchip_rk3036_pll_set_params(pll, &cur); } @@ -250,17 +247,9 @@ static int rockchip_rk3036_pll_set_rate(struct clk_hw *hw, unsigned long drate, { struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); const struct rockchip_pll_rate_table *rate; - unsigned long old_rate = rockchip_rk3036_pll_recalc_rate(hw, prate); - struct regmap *grf = rockchip_clk_get_grf(); - if (IS_ERR(grf)) { - pr_debug("%s: grf regmap not available, aborting rate change\n", - __func__); - return PTR_ERR(grf); - } - - pr_debug("%s: changing %s from %lu to %lu with a parent rate of %lu\n", - __func__, __clk_get_name(hw->clk), old_rate, drate, prate); + pr_debug("%s: changing %s to %lu with a parent rate of %lu\n", + __func__, __clk_get_name(hw->clk), drate, prate); /* Get required rate settings from table */ rate = rockchip_get_pll_settings(pll, drate); @@ -473,7 +462,7 @@ static int rockchip_rk3066_pll_set_params(struct rockchip_clk_pll *pll, /* wait for the pll to lock */ ret = rockchip_pll_wait_lock(pll); if (ret) { - pr_warn("%s: pll update unsucessful, trying to restore old params\n", + pr_warn("%s: pll update unsuccessful, trying to restore old params\n", __func__); rockchip_rk3066_pll_set_params(pll, &cur); } @@ -489,17 +478,9 @@ static int rockchip_rk3066_pll_set_rate(struct clk_hw *hw, unsigned long drate, { struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); const struct rockchip_pll_rate_table *rate; - unsigned long old_rate = rockchip_rk3066_pll_recalc_rate(hw, prate); - struct regmap *grf = rockchip_clk_get_grf(); - if (IS_ERR(grf)) { - pr_debug("%s: grf regmap not available, aborting rate change\n", - __func__); - return PTR_ERR(grf); - } - - pr_debug("%s: changing %s from %lu to %lu with a parent rate of %lu\n", - __func__, clk_hw_get_name(hw), old_rate, drate, prate); + pr_debug("%s: changing %s to %lu with a parent rate of %lu\n", + __func__, clk_hw_get_name(hw), drate, prate); /* Get required rate settings from table */ rate = rockchip_get_pll_settings(pll, drate); @@ -563,11 +544,6 @@ static void rockchip_rk3066_pll_init(struct clk_hw *hw) rate->no, cur.no, rate->nf, cur.nf, rate->nb, cur.nb); if (rate->nr != cur.nr || rate->no != cur.no || rate->nf != cur.nf || rate->nb != cur.nb) { - struct regmap *grf = rockchip_clk_get_grf(); - - if (IS_ERR(grf)) - return; - pr_debug("%s: pll %s: rate params do not match rate table, adjusting\n", __func__, clk_hw_get_name(hw)); rockchip_rk3066_pll_set_params(pll, rate); @@ -591,16 +567,277 @@ static const struct clk_ops rockchip_rk3066_pll_clk_ops = { .init = rockchip_rk3066_pll_init, }; +/** + * PLL used in RK3399 + */ + +#define RK3399_PLLCON(i) (i * 0x4) +#define RK3399_PLLCON0_FBDIV_MASK 0xfff +#define RK3399_PLLCON0_FBDIV_SHIFT 0 +#define RK3399_PLLCON1_REFDIV_MASK 0x3f +#define RK3399_PLLCON1_REFDIV_SHIFT 0 +#define RK3399_PLLCON1_POSTDIV1_MASK 0x7 +#define RK3399_PLLCON1_POSTDIV1_SHIFT 8 +#define RK3399_PLLCON1_POSTDIV2_MASK 0x7 +#define RK3399_PLLCON1_POSTDIV2_SHIFT 12 +#define RK3399_PLLCON2_FRAC_MASK 0xffffff +#define RK3399_PLLCON2_FRAC_SHIFT 0 +#define RK3399_PLLCON2_LOCK_STATUS BIT(31) +#define RK3399_PLLCON3_PWRDOWN BIT(0) +#define RK3399_PLLCON3_DSMPD_MASK 0x1 +#define RK3399_PLLCON3_DSMPD_SHIFT 3 + +static int rockchip_rk3399_pll_wait_lock(struct rockchip_clk_pll *pll) +{ + u32 pllcon; + int delay = 24000000; + + /* poll check the lock status in rk3399 xPLLCON2 */ + while (delay > 0) { + pllcon = readl_relaxed(pll->reg_base + RK3399_PLLCON(2)); + if (pllcon & RK3399_PLLCON2_LOCK_STATUS) + return 0; + + delay--; + } + + pr_err("%s: timeout waiting for pll to lock\n", __func__); + return -ETIMEDOUT; +} + +static void rockchip_rk3399_pll_get_params(struct rockchip_clk_pll *pll, + struct rockchip_pll_rate_table *rate) +{ + u32 pllcon; + + pllcon = readl_relaxed(pll->reg_base + RK3399_PLLCON(0)); + rate->fbdiv = ((pllcon >> RK3399_PLLCON0_FBDIV_SHIFT) + & RK3399_PLLCON0_FBDIV_MASK); + + pllcon = readl_relaxed(pll->reg_base + RK3399_PLLCON(1)); + rate->refdiv = ((pllcon >> RK3399_PLLCON1_REFDIV_SHIFT) + & RK3399_PLLCON1_REFDIV_MASK); + rate->postdiv1 = ((pllcon >> RK3399_PLLCON1_POSTDIV1_SHIFT) + & RK3399_PLLCON1_POSTDIV1_MASK); + rate->postdiv2 = ((pllcon >> RK3399_PLLCON1_POSTDIV2_SHIFT) + & RK3399_PLLCON1_POSTDIV2_MASK); + + pllcon = readl_relaxed(pll->reg_base + RK3399_PLLCON(2)); + rate->frac = ((pllcon >> RK3399_PLLCON2_FRAC_SHIFT) + & RK3399_PLLCON2_FRAC_MASK); + + pllcon = readl_relaxed(pll->reg_base + RK3399_PLLCON(3)); + rate->dsmpd = ((pllcon >> RK3399_PLLCON3_DSMPD_SHIFT) + & RK3399_PLLCON3_DSMPD_MASK); +} + +static unsigned long rockchip_rk3399_pll_recalc_rate(struct clk_hw *hw, + unsigned long prate) +{ + struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); + struct rockchip_pll_rate_table cur; + u64 rate64 = prate; + + rockchip_rk3399_pll_get_params(pll, &cur); + + rate64 *= cur.fbdiv; + do_div(rate64, cur.refdiv); + + if (cur.dsmpd == 0) { + /* fractional mode */ + u64 frac_rate64 = prate * cur.frac; + + do_div(frac_rate64, cur.refdiv); + rate64 += frac_rate64 >> 24; + } + + do_div(rate64, cur.postdiv1); + do_div(rate64, cur.postdiv2); + + return (unsigned long)rate64; +} + +static int rockchip_rk3399_pll_set_params(struct rockchip_clk_pll *pll, + const struct rockchip_pll_rate_table *rate) +{ + const struct clk_ops *pll_mux_ops = pll->pll_mux_ops; + struct clk_mux *pll_mux = &pll->pll_mux; + struct rockchip_pll_rate_table cur; + u32 pllcon; + int rate_change_remuxed = 0; + int cur_parent; + int ret; + + pr_debug("%s: rate settings for %lu fbdiv: %d, postdiv1: %d, refdiv: %d, postdiv2: %d, dsmpd: %d, frac: %d\n", + __func__, rate->rate, rate->fbdiv, rate->postdiv1, rate->refdiv, + rate->postdiv2, rate->dsmpd, rate->frac); + + rockchip_rk3399_pll_get_params(pll, &cur); + cur.rate = 0; + + cur_parent = pll_mux_ops->get_parent(&pll_mux->hw); + if (cur_parent == PLL_MODE_NORM) { + pll_mux_ops->set_parent(&pll_mux->hw, PLL_MODE_SLOW); + rate_change_remuxed = 1; + } + + /* update pll values */ + writel_relaxed(HIWORD_UPDATE(rate->fbdiv, RK3399_PLLCON0_FBDIV_MASK, + RK3399_PLLCON0_FBDIV_SHIFT), + pll->reg_base + RK3399_PLLCON(0)); + + writel_relaxed(HIWORD_UPDATE(rate->refdiv, RK3399_PLLCON1_REFDIV_MASK, + RK3399_PLLCON1_REFDIV_SHIFT) | + HIWORD_UPDATE(rate->postdiv1, RK3399_PLLCON1_POSTDIV1_MASK, + RK3399_PLLCON1_POSTDIV1_SHIFT) | + HIWORD_UPDATE(rate->postdiv2, RK3399_PLLCON1_POSTDIV2_MASK, + RK3399_PLLCON1_POSTDIV2_SHIFT), + pll->reg_base + RK3399_PLLCON(1)); + + /* xPLL CON2 is not HIWORD_MASK */ + pllcon = readl_relaxed(pll->reg_base + RK3399_PLLCON(2)); + pllcon &= ~(RK3399_PLLCON2_FRAC_MASK << RK3399_PLLCON2_FRAC_SHIFT); + pllcon |= rate->frac << RK3399_PLLCON2_FRAC_SHIFT; + writel_relaxed(pllcon, pll->reg_base + RK3399_PLLCON(2)); + + writel_relaxed(HIWORD_UPDATE(rate->dsmpd, RK3399_PLLCON3_DSMPD_MASK, + RK3399_PLLCON3_DSMPD_SHIFT), + pll->reg_base + RK3399_PLLCON(3)); + + /* wait for the pll to lock */ + ret = rockchip_rk3399_pll_wait_lock(pll); + if (ret) { + pr_warn("%s: pll update unsuccessful, trying to restore old params\n", + __func__); + rockchip_rk3399_pll_set_params(pll, &cur); + } + + if (rate_change_remuxed) + pll_mux_ops->set_parent(&pll_mux->hw, PLL_MODE_NORM); + + return ret; +} + +static int rockchip_rk3399_pll_set_rate(struct clk_hw *hw, unsigned long drate, + unsigned long prate) +{ + struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); + const struct rockchip_pll_rate_table *rate; + + pr_debug("%s: changing %s to %lu with a parent rate of %lu\n", + __func__, __clk_get_name(hw->clk), drate, prate); + + /* Get required rate settings from table */ + rate = rockchip_get_pll_settings(pll, drate); + if (!rate) { + pr_err("%s: Invalid rate : %lu for pll clk %s\n", __func__, + drate, __clk_get_name(hw->clk)); + return -EINVAL; + } + + return rockchip_rk3399_pll_set_params(pll, rate); +} + +static int rockchip_rk3399_pll_enable(struct clk_hw *hw) +{ + struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); + + writel(HIWORD_UPDATE(0, RK3399_PLLCON3_PWRDOWN, 0), + pll->reg_base + RK3399_PLLCON(3)); + + return 0; +} + +static void rockchip_rk3399_pll_disable(struct clk_hw *hw) +{ + struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); + + writel(HIWORD_UPDATE(RK3399_PLLCON3_PWRDOWN, + RK3399_PLLCON3_PWRDOWN, 0), + pll->reg_base + RK3399_PLLCON(3)); +} + +static int rockchip_rk3399_pll_is_enabled(struct clk_hw *hw) +{ + struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); + u32 pllcon = readl(pll->reg_base + RK3399_PLLCON(3)); + + return !(pllcon & RK3399_PLLCON3_PWRDOWN); +} + +static void rockchip_rk3399_pll_init(struct clk_hw *hw) +{ + struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw); + const struct rockchip_pll_rate_table *rate; + struct rockchip_pll_rate_table cur; + unsigned long drate; + + if (!(pll->flags & ROCKCHIP_PLL_SYNC_RATE)) + return; + + drate = clk_hw_get_rate(hw); + rate = rockchip_get_pll_settings(pll, drate); + + /* when no rate setting for the current rate, rely on clk_set_rate */ + if (!rate) + return; + + rockchip_rk3399_pll_get_params(pll, &cur); + + pr_debug("%s: pll %s@%lu: Hz\n", __func__, __clk_get_name(hw->clk), + drate); + pr_debug("old - fbdiv: %d, postdiv1: %d, refdiv: %d, postdiv2: %d, dsmpd: %d, frac: %d\n", + cur.fbdiv, cur.postdiv1, cur.refdiv, cur.postdiv2, + cur.dsmpd, cur.frac); + pr_debug("new - fbdiv: %d, postdiv1: %d, refdiv: %d, postdiv2: %d, dsmpd: %d, frac: %d\n", + rate->fbdiv, rate->postdiv1, rate->refdiv, rate->postdiv2, + rate->dsmpd, rate->frac); + + if (rate->fbdiv != cur.fbdiv || rate->postdiv1 != cur.postdiv1 || + rate->refdiv != cur.refdiv || rate->postdiv2 != cur.postdiv2 || + rate->dsmpd != cur.dsmpd || rate->frac != cur.frac) { + struct clk *parent = clk_get_parent(hw->clk); + + if (!parent) { + pr_warn("%s: parent of %s not available\n", + __func__, __clk_get_name(hw->clk)); + return; + } + + pr_debug("%s: pll %s: rate params do not match rate table, adjusting\n", + __func__, __clk_get_name(hw->clk)); + rockchip_rk3399_pll_set_params(pll, rate); + } +} + +static const struct clk_ops rockchip_rk3399_pll_clk_norate_ops = { + .recalc_rate = rockchip_rk3399_pll_recalc_rate, + .enable = rockchip_rk3399_pll_enable, + .disable = rockchip_rk3399_pll_disable, + .is_enabled = rockchip_rk3399_pll_is_enabled, +}; + +static const struct clk_ops rockchip_rk3399_pll_clk_ops = { + .recalc_rate = rockchip_rk3399_pll_recalc_rate, + .round_rate = rockchip_pll_round_rate, + .set_rate = rockchip_rk3399_pll_set_rate, + .enable = rockchip_rk3399_pll_enable, + .disable = rockchip_rk3399_pll_disable, + .is_enabled = rockchip_rk3399_pll_is_enabled, + .init = rockchip_rk3399_pll_init, +}; + /* * Common registering of pll clocks */ -struct clk *rockchip_clk_register_pll(enum rockchip_pll_type pll_type, +struct clk *rockchip_clk_register_pll(struct rockchip_clk_provider *ctx, + enum rockchip_pll_type pll_type, const char *name, const char *const *parent_names, - u8 num_parents, void __iomem *base, int con_offset, - int grf_lock_offset, int lock_shift, int mode_offset, - int mode_shift, struct rockchip_pll_rate_table *rate_table, - u8 clk_pll_flags, spinlock_t *lock) + u8 num_parents, int con_offset, int grf_lock_offset, + int lock_shift, int mode_offset, int mode_shift, + struct rockchip_pll_rate_table *rate_table, + u8 clk_pll_flags) { const char *pll_parents[3]; struct clk_init_data init; @@ -624,14 +861,16 @@ struct clk *rockchip_clk_register_pll(enum rockchip_pll_type pll_type, /* create the mux on top of the real pll */ pll->pll_mux_ops = &clk_mux_ops; pll_mux = &pll->pll_mux; - pll_mux->reg = base + mode_offset; + pll_mux->reg = ctx->reg_base + mode_offset; pll_mux->shift = mode_shift; pll_mux->mask = PLL_MODE_MASK; pll_mux->flags = 0; - pll_mux->lock = lock; + pll_mux->lock = &ctx->lock; pll_mux->hw.init = &init; - if (pll_type == pll_rk3036 || pll_type == pll_rk3066) + if (pll_type == pll_rk3036 || + pll_type == pll_rk3066 || + pll_type == pll_rk3399) pll_mux->flags |= CLK_MUX_HIWORD_MASK; /* the actual muxing is xin24m, pll-output, xin32k */ @@ -677,17 +916,23 @@ struct clk *rockchip_clk_register_pll(enum rockchip_pll_type pll_type, switch (pll_type) { case pll_rk3036: - if (!pll->rate_table) + if (!pll->rate_table || IS_ERR(ctx->grf)) init.ops = &rockchip_rk3036_pll_clk_norate_ops; else init.ops = &rockchip_rk3036_pll_clk_ops; break; case pll_rk3066: - if (!pll->rate_table) + if (!pll->rate_table || IS_ERR(ctx->grf)) init.ops = &rockchip_rk3066_pll_clk_norate_ops; else init.ops = &rockchip_rk3066_pll_clk_ops; break; + case pll_rk3399: + if (!pll->rate_table) + init.ops = &rockchip_rk3399_pll_clk_norate_ops; + else + init.ops = &rockchip_rk3399_pll_clk_ops; + break; default: pr_warn("%s: Unknown pll type for pll clk %s\n", __func__, name); @@ -695,11 +940,12 @@ struct clk *rockchip_clk_register_pll(enum rockchip_pll_type pll_type, pll->hw.init = &init; pll->type = pll_type; - pll->reg_base = base + con_offset; + pll->reg_base = ctx->reg_base + con_offset; pll->lock_offset = grf_lock_offset; pll->lock_shift = lock_shift; pll->flags = clk_pll_flags; - pll->lock = lock; + pll->lock = &ctx->lock; + pll->ctx = ctx; pll_clk = clk_register(NULL, &pll->hw); if (IS_ERR(pll_clk)) { diff --git a/drivers/clk/rockchip/clk-rk3036.c b/drivers/clk/rockchip/clk-rk3036.c index 7cdb2d6..924f560 100644 --- a/drivers/clk/rockchip/clk-rk3036.c +++ b/drivers/clk/rockchip/clk-rk3036.c @@ -113,7 +113,10 @@ static const struct rockchip_cpuclk_reg_data rk3036_cpuclk_data = { .core_reg = RK2928_CLKSEL_CON(0), .div_core_shift = 0, .div_core_mask = 0x1f, + .mux_core_alt = 1, + .mux_core_main = 0, .mux_core_shift = 7, + .mux_core_mask = 0x1, }; PNAME(mux_pll_p) = { "xin24m", "xin24m" }; @@ -437,6 +440,7 @@ static const char *const rk3036_critical_clocks[] __initconst = { static void __init rk3036_clk_init(struct device_node *np) { + struct rockchip_clk_provider *ctx; void __iomem *reg_base; struct clk *clk; @@ -446,22 +450,27 @@ static void __init rk3036_clk_init(struct device_node *np) return; } - rockchip_clk_init(np, reg_base, CLK_NR_CLKS); + ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS); + if (IS_ERR(ctx)) { + pr_err("%s: rockchip clk init failed\n", __func__); + iounmap(reg_base); + return; + } clk = clk_register_fixed_factor(NULL, "usb480m", "xin24m", 0, 20, 1); if (IS_ERR(clk)) pr_warn("%s: could not register clock usb480m: %ld\n", __func__, PTR_ERR(clk)); - rockchip_clk_register_plls(rk3036_pll_clks, + rockchip_clk_register_plls(ctx, rk3036_pll_clks, ARRAY_SIZE(rk3036_pll_clks), RK3036_GRF_SOC_STATUS0); - rockchip_clk_register_branches(rk3036_clk_branches, + rockchip_clk_register_branches(ctx, rk3036_clk_branches, ARRAY_SIZE(rk3036_clk_branches)); rockchip_clk_protect_critical(rk3036_critical_clocks, ARRAY_SIZE(rk3036_critical_clocks)); - rockchip_clk_register_armclk(ARMCLK, "armclk", + rockchip_clk_register_armclk(ctx, ARMCLK, "armclk", mux_armclk_p, ARRAY_SIZE(mux_armclk_p), &rk3036_cpuclk_data, rk3036_cpuclk_rates, ARRAY_SIZE(rk3036_cpuclk_rates)); @@ -469,6 +478,8 @@ static void __init rk3036_clk_init(struct device_node *np) rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0), ROCKCHIP_SOFTRST_HIWORD_MASK); - rockchip_register_restart_notifier(RK2928_GLB_SRST_FST, NULL); + rockchip_register_restart_notifier(ctx, RK2928_GLB_SRST_FST, NULL); + + rockchip_clk_of_add_provider(np, ctx); } CLK_OF_DECLARE(rk3036_cru, "rockchip,rk3036-cru", rk3036_clk_init); diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c index 40bab39..d0e722a 100644 --- a/drivers/clk/rockchip/clk-rk3188.c +++ b/drivers/clk/rockchip/clk-rk3188.c @@ -155,7 +155,10 @@ static const struct rockchip_cpuclk_reg_data rk3066_cpuclk_data = { .core_reg = RK2928_CLKSEL_CON(0), .div_core_shift = 0, .div_core_mask = 0x1f, + .mux_core_alt = 1, + .mux_core_main = 0, .mux_core_shift = 8, + .mux_core_mask = 0x1, }; #define RK3188_DIV_ACLK_CORE_MASK 0x7 @@ -191,7 +194,10 @@ static const struct rockchip_cpuclk_reg_data rk3188_cpuclk_data = { .core_reg = RK2928_CLKSEL_CON(0), .div_core_shift = 9, .div_core_mask = 0x1f, + .mux_core_alt = 1, + .mux_core_main = 0, .mux_core_shift = 8, + .mux_core_mask = 0x1, }; PNAME(mux_pll_p) = { "xin24m", "xin32k" }; @@ -753,57 +759,75 @@ static const char *const rk3188_critical_clocks[] __initconst = { "hclk_cpubus" }; -static void __init rk3188_common_clk_init(struct device_node *np) +static struct rockchip_clk_provider *__init rk3188_common_clk_init(struct device_node *np) { + struct rockchip_clk_provider *ctx; void __iomem *reg_base; reg_base = of_iomap(np, 0); if (!reg_base) { pr_err("%s: could not map cru region\n", __func__); - return; + return ERR_PTR(-ENOMEM); } - rockchip_clk_init(np, reg_base, CLK_NR_CLKS); + ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS); + if (IS_ERR(ctx)) { + pr_err("%s: rockchip clk init failed\n", __func__); + iounmap(reg_base); + return ERR_PTR(-ENOMEM); + } - rockchip_clk_register_branches(common_clk_branches, + rockchip_clk_register_branches(ctx, common_clk_branches, ARRAY_SIZE(common_clk_branches)); rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0), ROCKCHIP_SOFTRST_HIWORD_MASK); - rockchip_register_restart_notifier(RK2928_GLB_SRST_FST, NULL); + rockchip_register_restart_notifier(ctx, RK2928_GLB_SRST_FST, NULL); + + return ctx; } static void __init rk3066a_clk_init(struct device_node *np) { - rk3188_common_clk_init(np); - rockchip_clk_register_plls(rk3066_pll_clks, + struct rockchip_clk_provider *ctx; + + ctx = rk3188_common_clk_init(np); + if (IS_ERR(ctx)) + return; + + rockchip_clk_register_plls(ctx, rk3066_pll_clks, ARRAY_SIZE(rk3066_pll_clks), RK3066_GRF_SOC_STATUS); - rockchip_clk_register_branches(rk3066a_clk_branches, + rockchip_clk_register_branches(ctx, rk3066a_clk_branches, ARRAY_SIZE(rk3066a_clk_branches)); - rockchip_clk_register_armclk(ARMCLK, "armclk", + rockchip_clk_register_armclk(ctx, ARMCLK, "armclk", mux_armclk_p, ARRAY_SIZE(mux_armclk_p), &rk3066_cpuclk_data, rk3066_cpuclk_rates, ARRAY_SIZE(rk3066_cpuclk_rates)); rockchip_clk_protect_critical(rk3188_critical_clocks, ARRAY_SIZE(rk3188_critical_clocks)); + rockchip_clk_of_add_provider(np, ctx); } CLK_OF_DECLARE(rk3066a_cru, "rockchip,rk3066a-cru", rk3066a_clk_init); static void __init rk3188a_clk_init(struct device_node *np) { + struct rockchip_clk_provider *ctx; struct clk *clk1, *clk2; unsigned long rate; int ret; - rk3188_common_clk_init(np); - rockchip_clk_register_plls(rk3188_pll_clks, + ctx = rk3188_common_clk_init(np); + if (IS_ERR(ctx)) + return; + + rockchip_clk_register_plls(ctx, rk3188_pll_clks, ARRAY_SIZE(rk3188_pll_clks), RK3188_GRF_SOC_STATUS); - rockchip_clk_register_branches(rk3188_clk_branches, + rockchip_clk_register_branches(ctx, rk3188_clk_branches, ARRAY_SIZE(rk3188_clk_branches)); - rockchip_clk_register_armclk(ARMCLK, "armclk", + rockchip_clk_register_armclk(ctx, ARMCLK, "armclk", mux_armclk_p, ARRAY_SIZE(mux_armclk_p), &rk3188_cpuclk_data, rk3188_cpuclk_rates, ARRAY_SIZE(rk3188_cpuclk_rates)); @@ -827,6 +851,7 @@ static void __init rk3188a_clk_init(struct device_node *np) rockchip_clk_protect_critical(rk3188_critical_clocks, ARRAY_SIZE(rk3188_critical_clocks)); + rockchip_clk_of_add_provider(np, ctx); } CLK_OF_DECLARE(rk3188a_cru, "rockchip,rk3188a-cru", rk3188a_clk_init); diff --git a/drivers/clk/rockchip/clk-rk3228.c b/drivers/clk/rockchip/clk-rk3228.c index 7702d28..016bdb0 100644 --- a/drivers/clk/rockchip/clk-rk3228.c +++ b/drivers/clk/rockchip/clk-rk3228.c @@ -111,7 +111,10 @@ static const struct rockchip_cpuclk_reg_data rk3228_cpuclk_data = { .core_reg = RK2928_CLKSEL_CON(0), .div_core_shift = 0, .div_core_mask = 0x1f, + .mux_core_alt = 1, + .mux_core_main = 0, .mux_core_shift = 6, + .mux_core_mask = 0x1, }; PNAME(mux_pll_p) = { "clk_24m", "xin24m" }; @@ -625,6 +628,7 @@ static const char *const rk3228_critical_clocks[] __initconst = { static void __init rk3228_clk_init(struct device_node *np) { + struct rockchip_clk_provider *ctx; void __iomem *reg_base; reg_base = of_iomap(np, 0); @@ -633,17 +637,22 @@ static void __init rk3228_clk_init(struct device_node *np) return; } - rockchip_clk_init(np, reg_base, CLK_NR_CLKS); + ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS); + if (IS_ERR(ctx)) { + pr_err("%s: rockchip clk init failed\n", __func__); + iounmap(reg_base); + return; + } - rockchip_clk_register_plls(rk3228_pll_clks, + rockchip_clk_register_plls(ctx, rk3228_pll_clks, ARRAY_SIZE(rk3228_pll_clks), RK3228_GRF_SOC_STATUS0); - rockchip_clk_register_branches(rk3228_clk_branches, + rockchip_clk_register_branches(ctx, rk3228_clk_branches, ARRAY_SIZE(rk3228_clk_branches)); rockchip_clk_protect_critical(rk3228_critical_clocks, ARRAY_SIZE(rk3228_critical_clocks)); - rockchip_clk_register_armclk(ARMCLK, "armclk", + rockchip_clk_register_armclk(ctx, ARMCLK, "armclk", mux_armclk_p, ARRAY_SIZE(mux_armclk_p), &rk3228_cpuclk_data, rk3228_cpuclk_rates, ARRAY_SIZE(rk3228_cpuclk_rates)); @@ -651,6 +660,8 @@ static void __init rk3228_clk_init(struct device_node *np) rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0), ROCKCHIP_SOFTRST_HIWORD_MASK); - rockchip_register_restart_notifier(RK3228_GLB_SRST_FST, NULL); + rockchip_register_restart_notifier(ctx, RK3228_GLB_SRST_FST, NULL); + + rockchip_clk_of_add_provider(np, ctx); } CLK_OF_DECLARE(rk3228_cru, "rockchip,rk3228-cru", rk3228_clk_init); diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c index 3cb7216..39af05a 100644 --- a/drivers/clk/rockchip/clk-rk3288.c +++ b/drivers/clk/rockchip/clk-rk3288.c @@ -165,7 +165,10 @@ static const struct rockchip_cpuclk_reg_data rk3288_cpuclk_data = { .core_reg = RK3288_CLKSEL_CON(0), .div_core_shift = 8, .div_core_mask = 0x1f, + .mux_core_alt = 1, + .mux_core_main = 0, .mux_core_shift = 15, + .mux_core_mask = 0x1, }; PNAME(mux_pll_p) = { "xin24m", "xin32k" }; @@ -878,6 +881,7 @@ static struct syscore_ops rk3288_clk_syscore_ops = { static void __init rk3288_clk_init(struct device_node *np) { + struct rockchip_clk_provider *ctx; struct clk *clk; rk3288_cru_base = of_iomap(np, 0); @@ -886,7 +890,12 @@ static void __init rk3288_clk_init(struct device_node *np) return; } - rockchip_clk_init(np, rk3288_cru_base, CLK_NR_CLKS); + ctx = rockchip_clk_init(np, rk3288_cru_base, CLK_NR_CLKS); + if (IS_ERR(ctx)) { + pr_err("%s: rockchip clk init failed\n", __func__); + iounmap(rk3288_cru_base); + return; + } /* Watchdog pclk is controlled by RK3288_SGRF_SOC_CON0[1]. */ clk = clk_register_fixed_factor(NULL, "pclk_wdt", "pclk_pd_alive", 0, 1, 1); @@ -894,17 +903,17 @@ static void __init rk3288_clk_init(struct device_node *np) pr_warn("%s: could not register clock pclk_wdt: %ld\n", __func__, PTR_ERR(clk)); else - rockchip_clk_add_lookup(clk, PCLK_WDT); + rockchip_clk_add_lookup(ctx, clk, PCLK_WDT); - rockchip_clk_register_plls(rk3288_pll_clks, + rockchip_clk_register_plls(ctx, rk3288_pll_clks, ARRAY_SIZE(rk3288_pll_clks), RK3288_GRF_SOC_STATUS1); - rockchip_clk_register_branches(rk3288_clk_branches, + rockchip_clk_register_branches(ctx, rk3288_clk_branches, ARRAY_SIZE(rk3288_clk_branches)); rockchip_clk_protect_critical(rk3288_critical_clocks, ARRAY_SIZE(rk3288_critical_clocks)); - rockchip_clk_register_armclk(ARMCLK, "armclk", + rockchip_clk_register_armclk(ctx, ARMCLK, "armclk", mux_armclk_p, ARRAY_SIZE(mux_armclk_p), &rk3288_cpuclk_data, rk3288_cpuclk_rates, ARRAY_SIZE(rk3288_cpuclk_rates)); @@ -913,8 +922,10 @@ static void __init rk3288_clk_init(struct device_node *np) rk3288_cru_base + RK3288_SOFTRST_CON(0), ROCKCHIP_SOFTRST_HIWORD_MASK); - rockchip_register_restart_notifier(RK3288_GLB_SRST_FST, + rockchip_register_restart_notifier(ctx, RK3288_GLB_SRST_FST, rk3288_clk_shutdown); register_syscore_ops(&rk3288_clk_syscore_ops); + + rockchip_clk_of_add_provider(np, ctx); } CLK_OF_DECLARE(rk3288_cru, "rockchip,rk3288-cru", rk3288_clk_init); diff --git a/drivers/clk/rockchip/clk-rk3368.c b/drivers/clk/rockchip/clk-rk3368.c index a2bb122..6cb474c 100644 --- a/drivers/clk/rockchip/clk-rk3368.c +++ b/drivers/clk/rockchip/clk-rk3368.c @@ -165,14 +165,20 @@ static const struct rockchip_cpuclk_reg_data rk3368_cpuclkb_data = { .core_reg = RK3368_CLKSEL_CON(0), .div_core_shift = 0, .div_core_mask = 0x1f, + .mux_core_alt = 1, + .mux_core_main = 0, .mux_core_shift = 7, + .mux_core_mask = 0x1, }; static const struct rockchip_cpuclk_reg_data rk3368_cpuclkl_data = { .core_reg = RK3368_CLKSEL_CON(2), .div_core_shift = 0, + .mux_core_alt = 1, + .mux_core_main = 0, .div_core_mask = 0x1f, .mux_core_shift = 7, + .mux_core_mask = 0x1, }; #define RK3368_DIV_ACLKM_MASK 0x1f @@ -856,6 +862,7 @@ static const char *const rk3368_critical_clocks[] __initconst = { static void __init rk3368_clk_init(struct device_node *np) { + struct rockchip_clk_provider *ctx; void __iomem *reg_base; struct clk *clk; @@ -865,7 +872,12 @@ static void __init rk3368_clk_init(struct device_node *np) return; } - rockchip_clk_init(np, reg_base, CLK_NR_CLKS); + ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS); + if (IS_ERR(ctx)) { + pr_err("%s: rockchip clk init failed\n", __func__); + iounmap(reg_base); + return; + } /* Watchdog pclk is controlled by sgrf_soc_con3[7]. */ clk = clk_register_fixed_factor(NULL, "pclk_wdt", "pclk_pd_alive", 0, 1, 1); @@ -873,22 +885,22 @@ static void __init rk3368_clk_init(struct device_node *np) pr_warn("%s: could not register clock pclk_wdt: %ld\n", __func__, PTR_ERR(clk)); else - rockchip_clk_add_lookup(clk, PCLK_WDT); + rockchip_clk_add_lookup(ctx, clk, PCLK_WDT); - rockchip_clk_register_plls(rk3368_pll_clks, + rockchip_clk_register_plls(ctx, rk3368_pll_clks, ARRAY_SIZE(rk3368_pll_clks), RK3368_GRF_SOC_STATUS0); - rockchip_clk_register_branches(rk3368_clk_branches, + rockchip_clk_register_branches(ctx, rk3368_clk_branches, ARRAY_SIZE(rk3368_clk_branches)); rockchip_clk_protect_critical(rk3368_critical_clocks, ARRAY_SIZE(rk3368_critical_clocks)); - rockchip_clk_register_armclk(ARMCLKB, "armclkb", + rockchip_clk_register_armclk(ctx, ARMCLKB, "armclkb", mux_armclkb_p, ARRAY_SIZE(mux_armclkb_p), &rk3368_cpuclkb_data, rk3368_cpuclkb_rates, ARRAY_SIZE(rk3368_cpuclkb_rates)); - rockchip_clk_register_armclk(ARMCLKL, "armclkl", + rockchip_clk_register_armclk(ctx, ARMCLKL, "armclkl", mux_armclkl_p, ARRAY_SIZE(mux_armclkl_p), &rk3368_cpuclkl_data, rk3368_cpuclkl_rates, ARRAY_SIZE(rk3368_cpuclkl_rates)); @@ -896,6 +908,8 @@ static void __init rk3368_clk_init(struct device_node *np) rockchip_register_softrst(np, 15, reg_base + RK3368_SOFTRST_CON(0), ROCKCHIP_SOFTRST_HIWORD_MASK); - rockchip_register_restart_notifier(RK3368_GLB_SRST_FST, NULL); + rockchip_register_restart_notifier(ctx, RK3368_GLB_SRST_FST, NULL); + + rockchip_clk_of_add_provider(np, ctx); } CLK_OF_DECLARE(rk3368_cru, "rockchip,rk3368-cru", rk3368_clk_init); diff --git a/drivers/clk/rockchip/clk-rk3399.c b/drivers/clk/rockchip/clk-rk3399.c new file mode 100644 index 0000000..291543f --- /dev/null +++ b/drivers/clk/rockchip/clk-rk3399.c @@ -0,0 +1,1573 @@ +/* + * Copyright (c) 2016 Rockchip Electronics Co. Ltd. + * Author: Xing Zheng <zhengxing@rock-chips.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <dt-bindings/clock/rk3399-cru.h> +#include "clk.h" + +enum rk3399_plls { + lpll, bpll, dpll, cpll, gpll, npll, vpll, +}; + +enum rk3399_pmu_plls { + ppll, +}; + +static struct rockchip_pll_rate_table rk3399_pll_rates[] = { + /* _mhz, _refdiv, _fbdiv, _postdiv1, _postdiv2, _dsmpd, _frac */ + RK3036_PLL_RATE(2208000000, 1, 92, 1, 1, 1, 0), + RK3036_PLL_RATE(2184000000, 1, 91, 1, 1, 1, 0), + RK3036_PLL_RATE(2160000000, 1, 90, 1, 1, 1, 0), + RK3036_PLL_RATE(2136000000, 1, 89, 1, 1, 1, 0), + RK3036_PLL_RATE(2112000000, 1, 88, 1, 1, 1, 0), + RK3036_PLL_RATE(2088000000, 1, 87, 1, 1, 1, 0), + RK3036_PLL_RATE(2064000000, 1, 86, 1, 1, 1, 0), + RK3036_PLL_RATE(2040000000, 1, 85, 1, 1, 1, 0), + RK3036_PLL_RATE(2016000000, 1, 84, 1, 1, 1, 0), + RK3036_PLL_RATE(1992000000, 1, 83, 1, 1, 1, 0), + RK3036_PLL_RATE(1968000000, 1, 82, 1, 1, 1, 0), + RK3036_PLL_RATE(1944000000, 1, 81, 1, 1, 1, 0), + RK3036_PLL_RATE(1920000000, 1, 80, 1, 1, 1, 0), + RK3036_PLL_RATE(1896000000, 1, 79, 1, 1, 1, 0), + RK3036_PLL_RATE(1872000000, 1, 78, 1, 1, 1, 0), + RK3036_PLL_RATE(1848000000, 1, 77, 1, 1, 1, 0), + RK3036_PLL_RATE(1824000000, 1, 76, 1, 1, 1, 0), + RK3036_PLL_RATE(1800000000, 1, 75, 1, 1, 1, 0), + RK3036_PLL_RATE(1776000000, 1, 74, 1, 1, 1, 0), + RK3036_PLL_RATE(1752000000, 1, 73, 1, 1, 1, 0), + RK3036_PLL_RATE(1728000000, 1, 72, 1, 1, 1, 0), + RK3036_PLL_RATE(1704000000, 1, 71, 1, 1, 1, 0), + RK3036_PLL_RATE(1680000000, 1, 70, 1, 1, 1, 0), + RK3036_PLL_RATE(1656000000, 1, 69, 1, 1, 1, 0), + RK3036_PLL_RATE(1632000000, 1, 68, 1, 1, 1, 0), + RK3036_PLL_RATE(1608000000, 1, 67, 1, 1, 1, 0), + RK3036_PLL_RATE(1584000000, 1, 66, 1, 1, 1, 0), + RK3036_PLL_RATE(1560000000, 1, 65, 1, 1, 1, 0), + RK3036_PLL_RATE(1536000000, 1, 64, 1, 1, 1, 0), + RK3036_PLL_RATE(1512000000, 1, 63, 1, 1, 1, 0), + RK3036_PLL_RATE(1488000000, 1, 62, 1, 1, 1, 0), + RK3036_PLL_RATE(1464000000, 1, 61, 1, 1, 1, 0), + RK3036_PLL_RATE(1440000000, 1, 60, 1, 1, 1, 0), + RK3036_PLL_RATE(1416000000, 1, 59, 1, 1, 1, 0), + RK3036_PLL_RATE(1392000000, 1, 58, 1, 1, 1, 0), + RK3036_PLL_RATE(1368000000, 1, 57, 1, 1, 1, 0), + RK3036_PLL_RATE(1344000000, 1, 56, 1, 1, 1, 0), + RK3036_PLL_RATE(1320000000, 1, 55, 1, 1, 1, 0), + RK3036_PLL_RATE(1296000000, 1, 54, 1, 1, 1, 0), + RK3036_PLL_RATE(1272000000, 1, 53, 1, 1, 1, 0), + RK3036_PLL_RATE(1248000000, 1, 52, 1, 1, 1, 0), + RK3036_PLL_RATE(1200000000, 1, 50, 1, 1, 1, 0), + RK3036_PLL_RATE(1188000000, 2, 99, 1, 1, 1, 0), + RK3036_PLL_RATE(1104000000, 1, 46, 1, 1, 1, 0), + RK3036_PLL_RATE(1100000000, 12, 550, 1, 1, 1, 0), + RK3036_PLL_RATE(1008000000, 1, 84, 2, 1, 1, 0), + RK3036_PLL_RATE(1000000000, 6, 500, 2, 1, 1, 0), + RK3036_PLL_RATE( 984000000, 1, 82, 2, 1, 1, 0), + RK3036_PLL_RATE( 960000000, 1, 80, 2, 1, 1, 0), + RK3036_PLL_RATE( 936000000, 1, 78, 2, 1, 1, 0), + RK3036_PLL_RATE( 912000000, 1, 76, 2, 1, 1, 0), + RK3036_PLL_RATE( 900000000, 4, 300, 2, 1, 1, 0), + RK3036_PLL_RATE( 888000000, 1, 74, 2, 1, 1, 0), + RK3036_PLL_RATE( 864000000, 1, 72, 2, 1, 1, 0), + RK3036_PLL_RATE( 840000000, 1, 70, 2, 1, 1, 0), + RK3036_PLL_RATE( 816000000, 1, 68, 2, 1, 1, 0), + RK3036_PLL_RATE( 800000000, 6, 400, 2, 1, 1, 0), + RK3036_PLL_RATE( 700000000, 6, 350, 2, 1, 1, 0), + RK3036_PLL_RATE( 696000000, 1, 58, 2, 1, 1, 0), + RK3036_PLL_RATE( 676000000, 3, 169, 2, 1, 1, 0), + RK3036_PLL_RATE( 600000000, 1, 75, 3, 1, 1, 0), + RK3036_PLL_RATE( 594000000, 1, 99, 4, 1, 1, 0), + RK3036_PLL_RATE( 504000000, 1, 63, 3, 1, 1, 0), + RK3036_PLL_RATE( 500000000, 6, 250, 2, 1, 1, 0), + RK3036_PLL_RATE( 408000000, 1, 68, 2, 2, 1, 0), + RK3036_PLL_RATE( 312000000, 1, 52, 2, 2, 1, 0), + RK3036_PLL_RATE( 297000000, 1, 99, 4, 2, 1, 0), + RK3036_PLL_RATE( 216000000, 1, 72, 4, 2, 1, 0), + RK3036_PLL_RATE( 148500000, 1, 99, 4, 4, 1, 0), + RK3036_PLL_RATE( 96000000, 1, 64, 4, 4, 1, 0), + RK3036_PLL_RATE( 74250000, 2, 99, 4, 4, 1, 0), + RK3036_PLL_RATE( 54000000, 1, 54, 6, 4, 1, 0), + RK3036_PLL_RATE( 27000000, 1, 27, 6, 4, 1, 0), + { /* sentinel */ }, +}; + +/* CRU parents */ +PNAME(mux_pll_p) = { "xin24m", "xin32k" }; + +PNAME(mux_armclkl_p) = { "clk_core_l_lpll_src", + "clk_core_l_bpll_src", + "clk_core_l_dpll_src", + "clk_core_l_gpll_src" }; +PNAME(mux_armclkb_p) = { "clk_core_b_lpll_src", + "clk_core_b_bpll_src", + "clk_core_b_dpll_src", + "clk_core_b_gpll_src" }; +PNAME(mux_aclk_cci_p) = { "cpll_aclk_cci_src", + "gpll_aclk_cci_src", + "npll_aclk_cci_src", + "vpll_aclk_cci_src" }; +PNAME(mux_cci_trace_p) = { "cpll_cci_trace", + "gpll_cci_trace" }; +PNAME(mux_cs_p) = { "cpll_cs", "gpll_cs", + "npll_cs"}; +PNAME(mux_aclk_perihp_p) = { "cpll_aclk_perihp_src", + "gpll_aclk_perihp_src" }; + +PNAME(mux_pll_src_cpll_gpll_p) = { "cpll", "gpll" }; +PNAME(mux_pll_src_cpll_gpll_npll_p) = { "cpll", "gpll", "npll" }; +PNAME(mux_pll_src_cpll_gpll_ppll_p) = { "cpll", "gpll", "ppll" }; +PNAME(mux_pll_src_cpll_gpll_upll_p) = { "cpll", "gpll", "upll" }; +PNAME(mux_pll_src_npll_cpll_gpll_p) = { "npll", "cpll", "gpll" }; +PNAME(mux_pll_src_cpll_gpll_npll_ppll_p) = { "cpll", "gpll", "npll", + "ppll" }; +PNAME(mux_pll_src_cpll_gpll_npll_24m_p) = { "cpll", "gpll", "npll", + "xin24m" }; +PNAME(mux_pll_src_cpll_gpll_npll_usbphy480m_p) = { "cpll", "gpll", "npll", + "clk_usbphy_480m" }; +PNAME(mux_pll_src_ppll_cpll_gpll_npll_p) = { "ppll", "cpll", "gpll", + "npll", "upll" }; +PNAME(mux_pll_src_cpll_gpll_npll_upll_24m_p) = { "cpll", "gpll", "npll", + "upll", "xin24m" }; +PNAME(mux_pll_src_cpll_gpll_npll_ppll_upll_24m_p) = { "cpll", "gpll", "npll", + "ppll", "upll", "xin24m" }; + +PNAME(mux_pll_src_vpll_cpll_gpll_p) = { "vpll", "cpll", "gpll" }; +PNAME(mux_pll_src_vpll_cpll_gpll_npll_p) = { "vpll", "cpll", "gpll", + "npll" }; +PNAME(mux_pll_src_vpll_cpll_gpll_24m_p) = { "vpll", "cpll", "gpll", + "xin24m" }; + +PNAME(mux_dclk_vop0_p) = { "dclk_vop0_div", + "dclk_vop0_frac" }; +PNAME(mux_dclk_vop1_p) = { "dclk_vop1_div", + "dclk_vop1_frac" }; + +PNAME(mux_clk_cif_p) = { "clk_cifout_src", "xin24m" }; + +PNAME(mux_pll_src_24m_usbphy480m_p) = { "xin24m", "clk_usbphy_480m" }; +PNAME(mux_pll_src_24m_pciephy_p) = { "xin24m", "clk_pciephy_ref100m" }; +PNAME(mux_pll_src_24m_32k_cpll_gpll_p) = { "xin24m", "xin32k", + "cpll", "gpll" }; +PNAME(mux_pciecore_cru_phy_p) = { "clk_pcie_core_cru", + "clk_pcie_core_phy" }; + +PNAME(mux_aclk_emmc_p) = { "cpll_aclk_emmc_src", + "gpll_aclk_emmc_src" }; + +PNAME(mux_aclk_perilp0_p) = { "cpll_aclk_perilp0_src", + "gpll_aclk_perilp0_src" }; + +PNAME(mux_fclk_cm0s_p) = { "cpll_fclk_cm0s_src", + "gpll_fclk_cm0s_src" }; + +PNAME(mux_hclk_perilp1_p) = { "cpll_hclk_perilp1_src", + "gpll_hclk_perilp1_src" }; + +PNAME(mux_clk_testout1_p) = { "clk_testout1_pll_src", "xin24m" }; +PNAME(mux_clk_testout2_p) = { "clk_testout2_pll_src", "xin24m" }; + +PNAME(mux_usbphy_480m_p) = { "clk_usbphy0_480m_src", + "clk_usbphy1_480m_src" }; +PNAME(mux_aclk_gmac_p) = { "cpll_aclk_gmac_src", + "gpll_aclk_gmac_src" }; +PNAME(mux_rmii_p) = { "clk_gmac", "clkin_gmac" }; +PNAME(mux_spdif_p) = { "clk_spdif_div", "clk_spdif_frac", + "clkin_i2s", "xin12m" }; +PNAME(mux_i2s0_p) = { "clk_i2s0_div", "clk_i2s0_frac", + "clkin_i2s", "xin12m" }; +PNAME(mux_i2s1_p) = { "clk_i2s1_div", "clk_i2s1_frac", + "clkin_i2s", "xin12m" }; +PNAME(mux_i2s2_p) = { "clk_i2s2_div", "clk_i2s2_frac", + "clkin_i2s", "xin12m" }; +PNAME(mux_i2sch_p) = { "clk_i2s0", "clk_i2s1", + "clk_i2s2" }; +PNAME(mux_i2sout_p) = { "clk_i2sout_src", "xin12m" }; + +PNAME(mux_uart0_p) = { "clk_uart0_div", "clk_uart0_frac", "xin24m" }; +PNAME(mux_uart1_p) = { "clk_uart1_div", "clk_uart1_frac", "xin24m" }; +PNAME(mux_uart2_p) = { "clk_uart2_div", "clk_uart2_frac", "xin24m" }; +PNAME(mux_uart3_p) = { "clk_uart3_div", "clk_uart3_frac", "xin24m" }; + +/* PMU CRU parents */ +PNAME(mux_ppll_24m_p) = { "ppll", "xin24m" }; +PNAME(mux_24m_ppll_p) = { "xin24m", "ppll" }; +PNAME(mux_fclk_cm0s_pmu_ppll_p) = { "fclk_cm0s_pmu_ppll_src", "xin24m" }; +PNAME(mux_wifi_pmu_p) = { "clk_wifi_div", "clk_wifi_frac" }; +PNAME(mux_uart4_pmu_p) = { "clk_uart4_div", "clk_uart4_frac", + "xin24m" }; +PNAME(mux_clk_testout2_2io_p) = { "clk_testout2", "clk_32k_suspend_pmu" }; + +static struct rockchip_pll_clock rk3399_pll_clks[] __initdata = { + [lpll] = PLL(pll_rk3399, PLL_APLLL, "lpll", mux_pll_p, 0, RK3399_PLL_CON(0), + RK3399_PLL_CON(3), 8, 31, 0, rk3399_pll_rates), + [bpll] = PLL(pll_rk3399, PLL_APLLB, "bpll", mux_pll_p, 0, RK3399_PLL_CON(8), + RK3399_PLL_CON(11), 8, 31, 0, rk3399_pll_rates), + [dpll] = PLL(pll_rk3399, PLL_DPLL, "dpll", mux_pll_p, 0, RK3399_PLL_CON(16), + RK3399_PLL_CON(19), 8, 31, 0, NULL), + [cpll] = PLL(pll_rk3399, PLL_CPLL, "cpll", mux_pll_p, 0, RK3399_PLL_CON(24), + RK3399_PLL_CON(27), 8, 31, ROCKCHIP_PLL_SYNC_RATE, rk3399_pll_rates), + [gpll] = PLL(pll_rk3399, PLL_GPLL, "gpll", mux_pll_p, 0, RK3399_PLL_CON(32), + RK3399_PLL_CON(35), 8, 31, ROCKCHIP_PLL_SYNC_RATE, rk3399_pll_rates), + [npll] = PLL(pll_rk3399, PLL_NPLL, "npll", mux_pll_p, 0, RK3399_PLL_CON(40), + RK3399_PLL_CON(43), 8, 31, ROCKCHIP_PLL_SYNC_RATE, rk3399_pll_rates), + [vpll] = PLL(pll_rk3399, PLL_VPLL, "vpll", mux_pll_p, 0, RK3399_PLL_CON(48), + RK3399_PLL_CON(51), 8, 31, ROCKCHIP_PLL_SYNC_RATE, rk3399_pll_rates), +}; + +static struct rockchip_pll_clock rk3399_pmu_pll_clks[] __initdata = { + [ppll] = PLL(pll_rk3399, PLL_PPLL, "ppll", mux_pll_p, 0, RK3399_PMU_PLL_CON(0), + RK3399_PMU_PLL_CON(3), 8, 31, ROCKCHIP_PLL_SYNC_RATE, rk3399_pll_rates), +}; + +#define MFLAGS CLK_MUX_HIWORD_MASK +#define DFLAGS CLK_DIVIDER_HIWORD_MASK +#define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE) +#define IFLAGS ROCKCHIP_INVERTER_HIWORD_MASK + +static struct rockchip_clk_branch rk3399_spdif_fracmux __initdata = + MUX(0, "clk_spdif_mux", mux_spdif_p, CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(32), 13, 2, MFLAGS); + +static struct rockchip_clk_branch rk3399_i2s0_fracmux __initdata = + MUX(0, "clk_i2s0_mux", mux_i2s0_p, CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(28), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3399_i2s1_fracmux __initdata = + MUX(0, "clk_i2s1_mux", mux_i2s1_p, CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(29), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3399_i2s2_fracmux __initdata = + MUX(0, "clk_i2s2_mux", mux_i2s2_p, CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(30), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3399_uart0_fracmux __initdata = + MUX(SCLK_UART0, "clk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(33), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3399_uart1_fracmux __initdata = + MUX(SCLK_UART1, "clk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(34), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3399_uart2_fracmux __initdata = + MUX(SCLK_UART2, "clk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(35), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3399_uart3_fracmux __initdata = + MUX(SCLK_UART3, "clk_uart3", mux_uart3_p, CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(36), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3399_uart4_pmu_fracmux __initdata = + MUX(SCLK_UART4_PMU, "clk_uart4_pmu", mux_uart4_pmu_p, CLK_SET_RATE_PARENT, + RK3399_PMU_CLKSEL_CON(5), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3399_dclk_vop0_fracmux __initdata = + MUX(DCLK_VOP0, "dclk_vop0", mux_dclk_vop0_p, CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(49), 11, 1, MFLAGS); + +static struct rockchip_clk_branch rk3399_dclk_vop1_fracmux __initdata = + MUX(DCLK_VOP1, "dclk_vop1", mux_dclk_vop1_p, CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(50), 11, 1, MFLAGS); + +static struct rockchip_clk_branch rk3399_pmuclk_wifi_fracmux __initdata = + MUX(SCLK_WIFI_PMU, "clk_wifi_pmu", mux_wifi_pmu_p, CLK_SET_RATE_PARENT, + RK3399_PMU_CLKSEL_CON(1), 14, 1, MFLAGS); + +static const struct rockchip_cpuclk_reg_data rk3399_cpuclkl_data = { + .core_reg = RK3399_CLKSEL_CON(0), + .div_core_shift = 0, + .div_core_mask = 0x1f, + .mux_core_alt = 3, + .mux_core_main = 0, + .mux_core_shift = 6, + .mux_core_mask = 0x3, +}; + +static const struct rockchip_cpuclk_reg_data rk3399_cpuclkb_data = { + .core_reg = RK3399_CLKSEL_CON(2), + .div_core_shift = 0, + .div_core_mask = 0x1f, + .mux_core_alt = 3, + .mux_core_main = 1, + .mux_core_shift = 6, + .mux_core_mask = 0x3, +}; + +#define RK3399_DIV_ACLKM_MASK 0x1f +#define RK3399_DIV_ACLKM_SHIFT 8 +#define RK3399_DIV_ATCLK_MASK 0x1f +#define RK3399_DIV_ATCLK_SHIFT 0 +#define RK3399_DIV_PCLK_DBG_MASK 0x1f +#define RK3399_DIV_PCLK_DBG_SHIFT 8 + +#define RK3399_CLKSEL0(_offs, _aclkm) \ + { \ + .reg = RK3399_CLKSEL_CON(0 + _offs), \ + .val = HIWORD_UPDATE(_aclkm, RK3399_DIV_ACLKM_MASK, \ + RK3399_DIV_ACLKM_SHIFT), \ + } +#define RK3399_CLKSEL1(_offs, _atclk, _pdbg) \ + { \ + .reg = RK3399_CLKSEL_CON(1 + _offs), \ + .val = HIWORD_UPDATE(_atclk, RK3399_DIV_ATCLK_MASK, \ + RK3399_DIV_ATCLK_SHIFT) | \ + HIWORD_UPDATE(_pdbg, RK3399_DIV_PCLK_DBG_MASK, \ + RK3399_DIV_PCLK_DBG_SHIFT), \ + } + +/* cluster_l: aclkm in clksel0, rest in clksel1 */ +#define RK3399_CPUCLKL_RATE(_prate, _aclkm, _atclk, _pdbg) \ + { \ + .prate = _prate##U, \ + .divs = { \ + RK3399_CLKSEL0(0, _aclkm), \ + RK3399_CLKSEL1(0, _atclk, _pdbg), \ + }, \ + } + +/* cluster_b: aclkm in clksel2, rest in clksel3 */ +#define RK3399_CPUCLKB_RATE(_prate, _aclkm, _atclk, _pdbg) \ + { \ + .prate = _prate##U, \ + .divs = { \ + RK3399_CLKSEL0(2, _aclkm), \ + RK3399_CLKSEL1(2, _atclk, _pdbg), \ + }, \ + } + +static struct rockchip_cpuclk_rate_table rk3399_cpuclkl_rates[] __initdata = { + RK3399_CPUCLKL_RATE(1800000000, 1, 8, 8), + RK3399_CPUCLKL_RATE(1704000000, 1, 8, 8), + RK3399_CPUCLKL_RATE(1608000000, 1, 7, 7), + RK3399_CPUCLKL_RATE(1512000000, 1, 7, 7), + RK3399_CPUCLKL_RATE(1488000000, 1, 6, 6), + RK3399_CPUCLKL_RATE(1416000000, 1, 6, 6), + RK3399_CPUCLKL_RATE(1200000000, 1, 5, 5), + RK3399_CPUCLKL_RATE(1008000000, 1, 5, 5), + RK3399_CPUCLKL_RATE( 816000000, 1, 4, 4), + RK3399_CPUCLKL_RATE( 696000000, 1, 3, 3), + RK3399_CPUCLKL_RATE( 600000000, 1, 3, 3), + RK3399_CPUCLKL_RATE( 408000000, 1, 2, 2), + RK3399_CPUCLKL_RATE( 312000000, 1, 1, 1), + RK3399_CPUCLKL_RATE( 216000000, 1, 1, 1), + RK3399_CPUCLKL_RATE( 96000000, 1, 1, 1), +}; + +static struct rockchip_cpuclk_rate_table rk3399_cpuclkb_rates[] __initdata = { + RK3399_CPUCLKB_RATE(2208000000, 1, 11, 11), + RK3399_CPUCLKB_RATE(2184000000, 1, 11, 11), + RK3399_CPUCLKB_RATE(2088000000, 1, 10, 10), + RK3399_CPUCLKB_RATE(2040000000, 1, 10, 10), + RK3399_CPUCLKB_RATE(1992000000, 1, 9, 9), + RK3399_CPUCLKB_RATE(1896000000, 1, 9, 9), + RK3399_CPUCLKB_RATE(1800000000, 1, 8, 8), + RK3399_CPUCLKB_RATE(1704000000, 1, 8, 8), + RK3399_CPUCLKB_RATE(1608000000, 1, 7, 7), + RK3399_CPUCLKB_RATE(1512000000, 1, 7, 7), + RK3399_CPUCLKB_RATE(1488000000, 1, 6, 6), + RK3399_CPUCLKB_RATE(1416000000, 1, 6, 6), + RK3399_CPUCLKB_RATE(1200000000, 1, 5, 5), + RK3399_CPUCLKB_RATE(1008000000, 1, 5, 5), + RK3399_CPUCLKB_RATE( 816000000, 1, 4, 4), + RK3399_CPUCLKB_RATE( 696000000, 1, 3, 3), + RK3399_CPUCLKB_RATE( 600000000, 1, 3, 3), + RK3399_CPUCLKB_RATE( 408000000, 1, 2, 2), + RK3399_CPUCLKB_RATE( 312000000, 1, 1, 1), + RK3399_CPUCLKB_RATE( 216000000, 1, 1, 1), + RK3399_CPUCLKB_RATE( 96000000, 1, 1, 1), +}; + +static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = { + /* + * CRU Clock-Architecture + */ + + /* usbphy */ + GATE(SCLK_USB2PHY0_REF, "clk_usb2phy0_ref", "xin24m", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(6), 5, GFLAGS), + GATE(SCLK_USB2PHY1_REF, "clk_usb2phy1_ref", "xin24m", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(6), 6, GFLAGS), + + GATE(0, "clk_usbphy0_480m_src", "clk_usbphy0_480m", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(13), 12, GFLAGS), + GATE(0, "clk_usbphy1_480m_src", "clk_usbphy1_480m", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(13), 12, GFLAGS), + MUX(0, "clk_usbphy_480m", mux_usbphy_480m_p, CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(14), 6, 1, MFLAGS), + + MUX(0, "upll", mux_pll_src_24m_usbphy480m_p, 0, + RK3399_CLKSEL_CON(14), 15, 1, MFLAGS), + + COMPOSITE_NODIV(SCLK_HSICPHY, "clk_hsicphy", mux_pll_src_cpll_gpll_npll_usbphy480m_p, 0, + RK3399_CLKSEL_CON(19), 0, 2, MFLAGS, + RK3399_CLKGATE_CON(6), 4, GFLAGS), + + COMPOSITE(ACLK_USB3, "aclk_usb3", mux_pll_src_cpll_gpll_npll_p, 0, + RK3399_CLKSEL_CON(39), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(12), 0, GFLAGS), + GATE(ACLK_USB3_NOC, "aclk_usb3_noc", "aclk_usb3", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(30), 0, GFLAGS), + GATE(ACLK_USB3OTG0, "aclk_usb3otg0", "aclk_usb3", 0, + RK3399_CLKGATE_CON(30), 1, GFLAGS), + GATE(ACLK_USB3OTG1, "aclk_usb3otg1", "aclk_usb3", 0, + RK3399_CLKGATE_CON(30), 2, GFLAGS), + GATE(ACLK_USB3_RKSOC_AXI_PERF, "aclk_usb3_rksoc_axi_perf", "aclk_usb3", 0, + RK3399_CLKGATE_CON(30), 3, GFLAGS), + GATE(ACLK_USB3_GRF, "aclk_usb3_grf", "aclk_usb3", 0, + RK3399_CLKGATE_CON(30), 4, GFLAGS), + + GATE(SCLK_USB3OTG0_REF, "clk_usb3otg0_ref", "xin24m", 0, + RK3399_CLKGATE_CON(12), 1, GFLAGS), + GATE(SCLK_USB3OTG1_REF, "clk_usb3otg1_ref", "xin24m", 0, + RK3399_CLKGATE_CON(12), 2, GFLAGS), + + COMPOSITE(SCLK_USB3OTG0_SUSPEND, "clk_usb3otg0_suspend", mux_pll_p, 0, + RK3399_CLKSEL_CON(40), 15, 1, MFLAGS, 0, 10, DFLAGS, + RK3399_CLKGATE_CON(12), 3, GFLAGS), + + COMPOSITE(SCLK_USB3OTG1_SUSPEND, "clk_usb3otg1_suspend", mux_pll_p, 0, + RK3399_CLKSEL_CON(41), 15, 1, MFLAGS, 0, 10, DFLAGS, + RK3399_CLKGATE_CON(12), 4, GFLAGS), + + COMPOSITE(SCLK_UPHY0_TCPDPHY_REF, "clk_uphy0_tcpdphy_ref", mux_pll_p, 0, + RK3399_CLKSEL_CON(64), 15, 1, MFLAGS, 8, 5, DFLAGS, + RK3399_CLKGATE_CON(13), 4, GFLAGS), + + COMPOSITE(SCLK_UPHY0_TCPDCORE, "clk_uphy0_tcpdcore", mux_pll_src_24m_32k_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(64), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(13), 5, GFLAGS), + + COMPOSITE(SCLK_UPHY1_TCPDPHY_REF, "clk_uphy1_tcpdphy_ref", mux_pll_p, 0, + RK3399_CLKSEL_CON(65), 15, 1, MFLAGS, 8, 5, DFLAGS, + RK3399_CLKGATE_CON(13), 6, GFLAGS), + + COMPOSITE(SCLK_UPHY1_TCPDCORE, "clk_uphy1_tcpdcore", mux_pll_src_24m_32k_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(65), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(13), 7, GFLAGS), + + /* little core */ + GATE(0, "clk_core_l_lpll_src", "lpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(0), 0, GFLAGS), + GATE(0, "clk_core_l_bpll_src", "bpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(0), 1, GFLAGS), + GATE(0, "clk_core_l_dpll_src", "dpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(0), 2, GFLAGS), + GATE(0, "clk_core_l_gpll_src", "gpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(0), 3, GFLAGS), + + COMPOSITE_NOMUX(0, "aclkm_core_l", "armclkl", CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(0), 8, 5, DFLAGS | CLK_DIVIDER_READ_ONLY, + RK3399_CLKGATE_CON(0), 4, GFLAGS), + COMPOSITE_NOMUX(0, "atclk_core_l", "armclkl", CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(1), 0, 5, DFLAGS | CLK_DIVIDER_READ_ONLY, + RK3399_CLKGATE_CON(0), 5, GFLAGS), + COMPOSITE_NOMUX(0, "pclk_dbg_core_l", "armclkl", CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(1), 8, 5, DFLAGS | CLK_DIVIDER_READ_ONLY, + RK3399_CLKGATE_CON(0), 6, GFLAGS), + + GATE(ACLK_CORE_ADB400_CORE_L_2_CCI500, "aclk_core_adb400_core_l_2_cci500", "aclkm_core_l", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(14), 12, GFLAGS), + GATE(ACLK_PERF_CORE_L, "aclk_perf_core_l", "aclkm_core_l", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(14), 13, GFLAGS), + + GATE(0, "clk_dbg_pd_core_l", "armclkl", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(14), 9, GFLAGS), + GATE(ACLK_GIC_ADB400_GIC_2_CORE_L, "aclk_core_adb400_gic_2_core_l", "armclkl", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(14), 10, GFLAGS), + GATE(ACLK_GIC_ADB400_CORE_L_2_GIC, "aclk_core_adb400_core_l_2_gic", "armclkl", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(14), 11, GFLAGS), + GATE(SCLK_PVTM_CORE_L, "clk_pvtm_core_l", "xin24m", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(0), 7, GFLAGS), + + /* big core */ + GATE(0, "clk_core_b_lpll_src", "lpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(1), 0, GFLAGS), + GATE(0, "clk_core_b_bpll_src", "bpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(1), 1, GFLAGS), + GATE(0, "clk_core_b_dpll_src", "dpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(1), 2, GFLAGS), + GATE(0, "clk_core_b_gpll_src", "gpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(1), 3, GFLAGS), + + COMPOSITE_NOMUX(0, "aclkm_core_b", "armclkb", CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(2), 8, 5, DFLAGS | CLK_DIVIDER_READ_ONLY, + RK3399_CLKGATE_CON(1), 4, GFLAGS), + COMPOSITE_NOMUX(0, "atclk_core_b", "armclkb", CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(3), 0, 5, DFLAGS | CLK_DIVIDER_READ_ONLY, + RK3399_CLKGATE_CON(1), 5, GFLAGS), + COMPOSITE_NOMUX(0, "pclk_dbg_core_b", "armclkb", CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(3), 8, 5, DFLAGS | CLK_DIVIDER_READ_ONLY, + RK3399_CLKGATE_CON(1), 6, GFLAGS), + + GATE(ACLK_CORE_ADB400_CORE_B_2_CCI500, "aclk_core_adb400_core_b_2_cci500", "aclkm_core_b", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(14), 5, GFLAGS), + GATE(ACLK_PERF_CORE_B, "aclk_perf_core_b", "aclkm_core_b", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(14), 6, GFLAGS), + + GATE(0, "clk_dbg_pd_core_b", "armclkb", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(14), 1, GFLAGS), + GATE(ACLK_GIC_ADB400_GIC_2_CORE_B, "aclk_core_adb400_gic_2_core_b", "armclkb", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(14), 3, GFLAGS), + GATE(ACLK_GIC_ADB400_CORE_B_2_GIC, "aclk_core_adb400_core_b_2_gic", "armclkb", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(14), 4, GFLAGS), + + DIV(0, "pclken_dbg_core_b", "pclk_dbg_core_b", CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(3), 13, 2, DFLAGS | CLK_DIVIDER_READ_ONLY), + + GATE(0, "pclk_dbg_cxcs_pd_core_b", "pclk_dbg_core_b", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(14), 2, GFLAGS), + + GATE(SCLK_PVTM_CORE_B, "clk_pvtm_core_b", "xin24m", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(1), 7, GFLAGS), + + /* gmac */ + GATE(0, "cpll_aclk_gmac_src", "cpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(6), 9, GFLAGS), + GATE(0, "gpll_aclk_gmac_src", "gpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(6), 8, GFLAGS), + COMPOSITE(0, "aclk_gmac_pre", mux_aclk_gmac_p, 0, + RK3399_CLKSEL_CON(20), 7, 1, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(6), 10, GFLAGS), + + GATE(ACLK_GMAC, "aclk_gmac", "aclk_gmac_pre", 0, + RK3399_CLKGATE_CON(32), 0, GFLAGS), + GATE(ACLK_GMAC_NOC, "aclk_gmac_noc", "aclk_gmac_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(32), 1, GFLAGS), + GATE(ACLK_PERF_GMAC, "aclk_perf_gmac", "aclk_gmac_pre", 0, + RK3399_CLKGATE_CON(32), 4, GFLAGS), + + COMPOSITE_NOMUX(0, "pclk_gmac_pre", "aclk_gmac_pre", 0, + RK3399_CLKSEL_CON(19), 8, 3, DFLAGS, + RK3399_CLKGATE_CON(6), 11, GFLAGS), + GATE(PCLK_GMAC, "pclk_gmac", "pclk_gmac_pre", 0, + RK3399_CLKGATE_CON(32), 2, GFLAGS), + GATE(PCLK_GMAC_NOC, "pclk_gmac_noc", "pclk_gmac_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(32), 3, GFLAGS), + + COMPOSITE(SCLK_MAC, "clk_gmac", mux_pll_src_cpll_gpll_npll_p, 0, + RK3399_CLKSEL_CON(20), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK3399_CLKGATE_CON(5), 5, GFLAGS), + + MUX(SCLK_RMII_SRC, "clk_rmii_src", mux_rmii_p, CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(19), 4, 1, MFLAGS), + GATE(SCLK_MACREF_OUT, "clk_mac_refout", "clk_rmii_src", 0, + RK3399_CLKGATE_CON(5), 6, GFLAGS), + GATE(SCLK_MACREF, "clk_mac_ref", "clk_rmii_src", 0, + RK3399_CLKGATE_CON(5), 7, GFLAGS), + GATE(SCLK_MAC_RX, "clk_rmii_rx", "clk_rmii_src", 0, + RK3399_CLKGATE_CON(5), 8, GFLAGS), + GATE(SCLK_MAC_TX, "clk_rmii_tx", "clk_rmii_src", 0, + RK3399_CLKGATE_CON(5), 9, GFLAGS), + + /* spdif */ + COMPOSITE(0, "clk_spdif_div", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(32), 7, 1, MFLAGS, 0, 7, DFLAGS, + RK3399_CLKGATE_CON(8), 13, GFLAGS), + COMPOSITE_FRACMUX(0, "clk_spdif_frac", "clk_spdif_div", CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(99), 0, + RK3399_CLKGATE_CON(8), 14, GFLAGS, + &rk3399_spdif_fracmux), + GATE(SCLK_SPDIF_8CH, "clk_spdif", "clk_spdif_mux", CLK_SET_RATE_PARENT, + RK3399_CLKGATE_CON(8), 15, GFLAGS), + + COMPOSITE(SCLK_SPDIF_REC_DPTX, "clk_spdif_rec_dptx", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(32), 15, 1, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(10), 6, GFLAGS), + /* i2s */ + COMPOSITE(0, "clk_i2s0_div", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(28), 7, 1, MFLAGS, 0, 7, DFLAGS, + RK3399_CLKGATE_CON(8), 3, GFLAGS), + COMPOSITE_FRACMUX(0, "clk_i2s0_frac", "clk_i2s0_div", CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(96), 0, + RK3399_CLKGATE_CON(8), 4, GFLAGS, + &rk3399_i2s0_fracmux), + GATE(SCLK_I2S0_8CH, "clk_i2s0", "clk_i2s0_mux", CLK_SET_RATE_PARENT, + RK3399_CLKGATE_CON(8), 5, GFLAGS), + + COMPOSITE(0, "clk_i2s1_div", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(29), 7, 1, MFLAGS, 0, 7, DFLAGS, + RK3399_CLKGATE_CON(8), 6, GFLAGS), + COMPOSITE_FRACMUX(0, "clk_i2s1_frac", "clk_i2s1_div", CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(97), 0, + RK3399_CLKGATE_CON(8), 7, GFLAGS, + &rk3399_i2s1_fracmux), + GATE(SCLK_I2S1_8CH, "clk_i2s1", "clk_i2s1_mux", CLK_SET_RATE_PARENT, + RK3399_CLKGATE_CON(8), 8, GFLAGS), + + COMPOSITE(0, "clk_i2s2_div", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(30), 7, 1, MFLAGS, 0, 7, DFLAGS, + RK3399_CLKGATE_CON(8), 9, GFLAGS), + COMPOSITE_FRACMUX(0, "clk_i2s2_frac", "clk_i2s2_div", CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(98), 0, + RK3399_CLKGATE_CON(8), 10, GFLAGS, + &rk3399_i2s2_fracmux), + GATE(SCLK_I2S2_8CH, "clk_i2s2", "clk_i2s2_mux", CLK_SET_RATE_PARENT, + RK3399_CLKGATE_CON(8), 11, GFLAGS), + + MUX(0, "clk_i2sout_src", mux_i2sch_p, CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(31), 0, 2, MFLAGS), + COMPOSITE_NODIV(SCLK_I2S_8CH_OUT, "clk_i2sout", mux_i2sout_p, CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(30), 8, 2, MFLAGS, + RK3399_CLKGATE_CON(8), 12, GFLAGS), + + /* uart */ + MUX(0, "clk_uart0_src", mux_pll_src_cpll_gpll_upll_p, 0, + RK3399_CLKSEL_CON(33), 12, 2, MFLAGS), + COMPOSITE_NOMUX(0, "clk_uart0_div", "clk_uart0_src", 0, + RK3399_CLKSEL_CON(33), 0, 7, DFLAGS, + RK3399_CLKGATE_CON(9), 0, GFLAGS), + COMPOSITE_FRACMUX(0, "clk_uart0_frac", "clk_uart0_div", CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(100), 0, + RK3399_CLKGATE_CON(9), 1, GFLAGS, + &rk3399_uart0_fracmux), + + MUX(0, "clk_uart_src", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(33), 15, 1, MFLAGS), + COMPOSITE_NOMUX(0, "clk_uart1_div", "clk_uart_src", 0, + RK3399_CLKSEL_CON(34), 0, 7, DFLAGS, + RK3399_CLKGATE_CON(9), 2, GFLAGS), + COMPOSITE_FRACMUX(0, "clk_uart1_frac", "clk_uart1_div", CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(101), 0, + RK3399_CLKGATE_CON(9), 3, GFLAGS, + &rk3399_uart1_fracmux), + + COMPOSITE_NOMUX(0, "clk_uart2_div", "clk_uart_src", 0, + RK3399_CLKSEL_CON(35), 0, 7, DFLAGS, + RK3399_CLKGATE_CON(9), 4, GFLAGS), + COMPOSITE_FRACMUX(0, "clk_uart2_frac", "clk_uart2_div", CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(102), 0, + RK3399_CLKGATE_CON(9), 5, GFLAGS, + &rk3399_uart2_fracmux), + + COMPOSITE_NOMUX(0, "clk_uart3_div", "clk_uart_src", 0, + RK3399_CLKSEL_CON(36), 0, 7, DFLAGS, + RK3399_CLKGATE_CON(9), 6, GFLAGS), + COMPOSITE_FRACMUX(0, "clk_uart3_frac", "clk_uart3_div", CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(103), 0, + RK3399_CLKGATE_CON(9), 7, GFLAGS, + &rk3399_uart3_fracmux), + + COMPOSITE(0, "pclk_ddr", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(6), 15, 1, MFLAGS, 8, 5, DFLAGS, + RK3399_CLKGATE_CON(3), 4, GFLAGS), + + GATE(PCLK_CENTER_MAIN_NOC, "pclk_center_main_noc", "pclk_ddr", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(18), 10, GFLAGS), + GATE(PCLK_DDR_MON, "pclk_ddr_mon", "pclk_ddr", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(18), 12, GFLAGS), + GATE(PCLK_CIC, "pclk_cic", "pclk_ddr", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(18), 15, GFLAGS), + GATE(PCLK_DDR_SGRF, "pclk_ddr_sgrf", "pclk_ddr", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(19), 2, GFLAGS), + + GATE(SCLK_PVTM_DDR, "clk_pvtm_ddr", "xin24m", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(4), 11, GFLAGS), + GATE(SCLK_DFIMON0_TIMER, "clk_dfimon0_timer", "xin24m", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(3), 5, GFLAGS), + GATE(SCLK_DFIMON1_TIMER, "clk_dfimon1_timer", "xin24m", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(3), 6, GFLAGS), + + /* cci */ + GATE(0, "cpll_aclk_cci_src", "cpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(2), 0, GFLAGS), + GATE(0, "gpll_aclk_cci_src", "gpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(2), 1, GFLAGS), + GATE(0, "npll_aclk_cci_src", "npll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(2), 2, GFLAGS), + GATE(0, "vpll_aclk_cci_src", "vpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(2), 3, GFLAGS), + + COMPOSITE(0, "aclk_cci_pre", mux_aclk_cci_p, CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(5), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(2), 4, GFLAGS), + + GATE(ACLK_ADB400M_PD_CORE_L, "aclk_adb400m_pd_core_l", "aclk_cci_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(15), 0, GFLAGS), + GATE(ACLK_ADB400M_PD_CORE_B, "aclk_adb400m_pd_core_b", "aclk_cci_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(15), 1, GFLAGS), + GATE(ACLK_CCI, "aclk_cci", "aclk_cci_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(15), 2, GFLAGS), + GATE(ACLK_CCI_NOC0, "aclk_cci_noc0", "aclk_cci_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(15), 3, GFLAGS), + GATE(ACLK_CCI_NOC1, "aclk_cci_noc1", "aclk_cci_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(15), 4, GFLAGS), + GATE(ACLK_CCI_GRF, "aclk_cci_grf", "aclk_cci_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(15), 7, GFLAGS), + + GATE(0, "cpll_cci_trace", "cpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(2), 5, GFLAGS), + GATE(0, "gpll_cci_trace", "gpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(2), 6, GFLAGS), + COMPOSITE(SCLK_CCI_TRACE, "clk_cci_trace", mux_cci_trace_p, CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(5), 15, 2, MFLAGS, 8, 5, DFLAGS, + RK3399_CLKGATE_CON(2), 7, GFLAGS), + + GATE(0, "cpll_cs", "cpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(2), 8, GFLAGS), + GATE(0, "gpll_cs", "gpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(2), 9, GFLAGS), + GATE(0, "npll_cs", "npll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(2), 10, GFLAGS), + COMPOSITE_NOGATE(0, "clk_cs", mux_cs_p, CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(4), 6, 2, MFLAGS, 0, 5, DFLAGS), + GATE(0, "clk_dbg_cxcs", "clk_cs", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(15), 5, GFLAGS), + GATE(0, "clk_dbg_noc", "clk_cs", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(15), 6, GFLAGS), + + /* vcodec */ + COMPOSITE(0, "aclk_vcodec_pre", mux_pll_src_cpll_gpll_npll_ppll_p, 0, + RK3399_CLKSEL_CON(7), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(4), 0, GFLAGS), + COMPOSITE_NOMUX(0, "hclk_vcodec_pre", "aclk_vcodec_pre", 0, + RK3399_CLKSEL_CON(7), 8, 5, DFLAGS, + RK3399_CLKGATE_CON(4), 1, GFLAGS), + GATE(HCLK_VCODEC, "hclk_vcodec", "hclk_vcodec_pre", 0, + RK3399_CLKGATE_CON(17), 2, GFLAGS), + GATE(0, "hclk_vcodec_noc", "hclk_vcodec_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(17), 3, GFLAGS), + + GATE(ACLK_VCODEC, "aclk_vcodec", "aclk_vcodec_pre", 0, + RK3399_CLKGATE_CON(17), 0, GFLAGS), + GATE(0, "aclk_vcodec_noc", "aclk_vcodec_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(17), 1, GFLAGS), + + /* vdu */ + COMPOSITE(SCLK_VDU_CORE, "clk_vdu_core", mux_pll_src_cpll_gpll_npll_p, 0, + RK3399_CLKSEL_CON(9), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(4), 4, GFLAGS), + COMPOSITE(SCLK_VDU_CA, "clk_vdu_ca", mux_pll_src_cpll_gpll_npll_p, 0, + RK3399_CLKSEL_CON(9), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK3399_CLKGATE_CON(4), 5, GFLAGS), + + COMPOSITE(0, "aclk_vdu_pre", mux_pll_src_cpll_gpll_npll_ppll_p, 0, + RK3399_CLKSEL_CON(8), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(4), 2, GFLAGS), + COMPOSITE_NOMUX(0, "hclk_vdu_pre", "aclk_vdu_pre", 0, + RK3399_CLKSEL_CON(8), 8, 5, DFLAGS, + RK3399_CLKGATE_CON(4), 3, GFLAGS), + GATE(HCLK_VDU, "hclk_vdu", "hclk_vdu_pre", 0, + RK3399_CLKGATE_CON(17), 10, GFLAGS), + GATE(HCLK_VDU_NOC, "hclk_vdu_noc", "hclk_vdu_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(17), 11, GFLAGS), + + GATE(ACLK_VDU, "aclk_vdu", "aclk_vdu_pre", 0, + RK3399_CLKGATE_CON(17), 8, GFLAGS), + GATE(ACLK_VDU_NOC, "aclk_vdu_noc", "aclk_vdu_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(17), 9, GFLAGS), + + /* iep */ + COMPOSITE(0, "aclk_iep_pre", mux_pll_src_cpll_gpll_npll_ppll_p, 0, + RK3399_CLKSEL_CON(10), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(4), 6, GFLAGS), + COMPOSITE_NOMUX(0, "hclk_iep_pre", "aclk_iep_pre", 0, + RK3399_CLKSEL_CON(10), 8, 5, DFLAGS, + RK3399_CLKGATE_CON(4), 7, GFLAGS), + GATE(HCLK_IEP, "hclk_iep", "hclk_iep_pre", 0, + RK3399_CLKGATE_CON(16), 2, GFLAGS), + GATE(HCLK_IEP_NOC, "hclk_iep_noc", "hclk_iep_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(16), 3, GFLAGS), + + GATE(ACLK_IEP, "aclk_iep", "aclk_iep_pre", 0, + RK3399_CLKGATE_CON(16), 0, GFLAGS), + GATE(ACLK_IEP_NOC, "aclk_iep_noc", "aclk_iep_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(16), 1, GFLAGS), + + /* rga */ + COMPOSITE(SCLK_RGA_CORE, "clk_rga_core", mux_pll_src_cpll_gpll_npll_ppll_p, 0, + RK3399_CLKSEL_CON(12), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(4), 10, GFLAGS), + + COMPOSITE(0, "aclk_rga_pre", mux_pll_src_cpll_gpll_npll_ppll_p, 0, + RK3399_CLKSEL_CON(11), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(4), 8, GFLAGS), + COMPOSITE_NOMUX(0, "hclk_rga_pre", "aclk_rga_pre", 0, + RK3399_CLKSEL_CON(11), 8, 5, DFLAGS, + RK3399_CLKGATE_CON(4), 9, GFLAGS), + GATE(HCLK_RGA, "hclk_rga", "hclk_rga_pre", 0, + RK3399_CLKGATE_CON(16), 10, GFLAGS), + GATE(HCLK_RGA_NOC, "hclk_rga_noc", "hclk_rga_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(16), 11, GFLAGS), + + GATE(ACLK_RGA, "aclk_rga", "aclk_rga_pre", 0, + RK3399_CLKGATE_CON(16), 8, GFLAGS), + GATE(ACLK_RGA_NOC, "aclk_rga_noc", "aclk_rga_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(16), 9, GFLAGS), + + /* center */ + COMPOSITE(0, "aclk_center", mux_pll_src_cpll_gpll_npll_p, CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(12), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK3399_CLKGATE_CON(3), 7, GFLAGS), + GATE(ACLK_CENTER_MAIN_NOC, "aclk_center_main_noc", "aclk_center", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(19), 0, GFLAGS), + GATE(ACLK_CENTER_PERI_NOC, "aclk_center_peri_noc", "aclk_center", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(19), 1, GFLAGS), + + /* gpu */ + COMPOSITE(0, "aclk_gpu_pre", mux_pll_src_ppll_cpll_gpll_npll_p, CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(13), 5, 3, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(13), 0, GFLAGS), + GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_pre", 0, + RK3399_CLKGATE_CON(30), 8, GFLAGS), + GATE(ACLK_PERF_GPU, "aclk_perf_gpu", "aclk_gpu_pre", 0, + RK3399_CLKGATE_CON(30), 10, GFLAGS), + GATE(ACLK_GPU_GRF, "aclk_gpu_grf", "aclk_gpu_pre", 0, + RK3399_CLKGATE_CON(30), 11, GFLAGS), + GATE(SCLK_PVTM_GPU, "aclk_pvtm_gpu", "xin24m", 0, + RK3399_CLKGATE_CON(13), 1, GFLAGS), + + /* perihp */ + GATE(0, "cpll_aclk_perihp_src", "gpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(5), 0, GFLAGS), + GATE(0, "gpll_aclk_perihp_src", "cpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(5), 1, GFLAGS), + COMPOSITE(ACLK_PERIHP, "aclk_perihp", mux_aclk_perihp_p, CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(14), 7, 1, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(5), 2, GFLAGS), + COMPOSITE_NOMUX(HCLK_PERIHP, "hclk_perihp", "aclk_perihp", CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(14), 8, 2, DFLAGS, + RK3399_CLKGATE_CON(5), 3, GFLAGS), + COMPOSITE_NOMUX(PCLK_PERIHP, "pclk_perihp", "aclk_perihp", CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(14), 12, 2, DFLAGS, + RK3399_CLKGATE_CON(5), 4, GFLAGS), + + GATE(ACLK_PERF_PCIE, "aclk_perf_pcie", "aclk_perihp", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(20), 2, GFLAGS), + GATE(ACLK_PCIE, "aclk_pcie", "aclk_perihp", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(20), 10, GFLAGS), + GATE(0, "aclk_perihp_noc", "aclk_perihp", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(20), 12, GFLAGS), + + GATE(HCLK_HOST0, "hclk_host0", "hclk_perihp", 0, + RK3399_CLKGATE_CON(20), 5, GFLAGS), + GATE(HCLK_HOST0_ARB, "hclk_host0_arb", "hclk_perihp", 0, + RK3399_CLKGATE_CON(20), 6, GFLAGS), + GATE(HCLK_HOST1, "hclk_host1", "hclk_perihp", 0, + RK3399_CLKGATE_CON(20), 7, GFLAGS), + GATE(HCLK_HOST1_ARB, "hclk_host1_arb", "hclk_perihp", 0, + RK3399_CLKGATE_CON(20), 8, GFLAGS), + GATE(HCLK_HSIC, "hclk_hsic", "hclk_perihp", 0, + RK3399_CLKGATE_CON(20), 9, GFLAGS), + GATE(0, "hclk_perihp_noc", "hclk_perihp", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(20), 13, GFLAGS), + GATE(0, "hclk_ahb1tom", "hclk_perihp", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(20), 15, GFLAGS), + + GATE(PCLK_PERIHP_GRF, "pclk_perihp_grf", "pclk_perihp", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(20), 4, GFLAGS), + GATE(PCLK_PCIE, "pclk_pcie", "pclk_perihp", 0, + RK3399_CLKGATE_CON(20), 11, GFLAGS), + GATE(0, "pclk_perihp_noc", "pclk_perihp", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(20), 14, GFLAGS), + GATE(PCLK_HSICPHY, "pclk_hsicphy", "pclk_perihp", 0, + RK3399_CLKGATE_CON(31), 8, GFLAGS), + + /* sdio & sdmmc */ + COMPOSITE(0, "hclk_sd", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(13), 15, 1, MFLAGS, 8, 5, DFLAGS, + RK3399_CLKGATE_CON(12), 13, GFLAGS), + GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_sd", 0, + RK3399_CLKGATE_CON(33), 8, GFLAGS), + GATE(0, "hclk_sdmmc_noc", "hclk_sd", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(33), 9, GFLAGS), + + COMPOSITE(SCLK_SDIO, "clk_sdio", mux_pll_src_cpll_gpll_npll_ppll_upll_24m_p, 0, + RK3399_CLKSEL_CON(15), 8, 3, MFLAGS, 0, 7, DFLAGS, + RK3399_CLKGATE_CON(6), 0, GFLAGS), + + COMPOSITE(SCLK_SDMMC, "clk_sdmmc", mux_pll_src_cpll_gpll_npll_ppll_upll_24m_p, 0, + RK3399_CLKSEL_CON(16), 8, 3, MFLAGS, 0, 7, DFLAGS, + RK3399_CLKGATE_CON(6), 1, GFLAGS), + + MMC(SCLK_SDMMC_DRV, "sdmmc_drv", "clk_sdmmc", RK3399_SDMMC_CON0, 1), + MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "clk_sdmmc", RK3399_SDMMC_CON1, 1), + + MMC(SCLK_SDIO_DRV, "sdio_drv", "clk_sdio", RK3399_SDIO_CON0, 1), + MMC(SCLK_SDIO_SAMPLE, "sdio_sample", "clk_sdio", RK3399_SDIO_CON1, 1), + + /* pcie */ + COMPOSITE(SCLK_PCIE_PM, "clk_pcie_pm", mux_pll_src_cpll_gpll_npll_24m_p, 0, + RK3399_CLKSEL_CON(17), 8, 3, MFLAGS, 0, 7, DFLAGS, + RK3399_CLKGATE_CON(6), 2, GFLAGS), + + COMPOSITE_NOMUX(SCLK_PCIEPHY_REF100M, "clk_pciephy_ref100m", "npll", 0, + RK3399_CLKSEL_CON(18), 11, 5, DFLAGS, + RK3399_CLKGATE_CON(12), 6, GFLAGS), + MUX(SCLK_PCIEPHY_REF, "clk_pciephy_ref", mux_pll_src_24m_pciephy_p, CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(18), 10, 1, MFLAGS), + + COMPOSITE(0, "clk_pcie_core_cru", mux_pll_src_cpll_gpll_npll_p, 0, + RK3399_CLKSEL_CON(18), 8, 2, MFLAGS, 0, 7, DFLAGS, + RK3399_CLKGATE_CON(6), 3, GFLAGS), + MUX(SCLK_PCIE_CORE, "clk_pcie_core", mux_pciecore_cru_phy_p, CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(18), 7, 1, MFLAGS), + + /* emmc */ + COMPOSITE(SCLK_EMMC, "clk_emmc", mux_pll_src_cpll_gpll_npll_upll_24m_p, 0, + RK3399_CLKSEL_CON(22), 8, 3, MFLAGS, 0, 7, DFLAGS, + RK3399_CLKGATE_CON(6), 14, GFLAGS), + + GATE(0, "cpll_aclk_emmc_src", "cpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(6), 12, GFLAGS), + GATE(0, "gpll_aclk_emmc_src", "gpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(6), 13, GFLAGS), + COMPOSITE_NOGATE(ACLK_EMMC, "aclk_emmc", mux_aclk_emmc_p, CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(21), 7, 1, MFLAGS, 0, 5, DFLAGS), + GATE(ACLK_EMMC_CORE, "aclk_emmccore", "aclk_emmc", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(32), 8, GFLAGS), + GATE(ACLK_EMMC_NOC, "aclk_emmc_noc", "aclk_emmc", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(32), 9, GFLAGS), + GATE(ACLK_EMMC_GRF, "aclk_emmcgrf", "aclk_emmc", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(32), 10, GFLAGS), + + /* perilp0 */ + GATE(0, "cpll_aclk_perilp0_src", "cpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(7), 1, GFLAGS), + GATE(0, "gpll_aclk_perilp0_src", "gpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(7), 0, GFLAGS), + COMPOSITE(ACLK_PERILP0, "aclk_perilp0", mux_aclk_perilp0_p, CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(23), 7, 1, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(7), 2, GFLAGS), + COMPOSITE_NOMUX(HCLK_PERILP0, "hclk_perilp0", "aclk_perilp0", CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(23), 8, 2, DFLAGS, + RK3399_CLKGATE_CON(7), 3, GFLAGS), + COMPOSITE_NOMUX(PCLK_PERILP0, "pclk_perilp0", "aclk_perilp0", 0, + RK3399_CLKSEL_CON(23), 12, 3, DFLAGS, + RK3399_CLKGATE_CON(7), 4, GFLAGS), + + /* aclk_perilp0 gates */ + GATE(ACLK_INTMEM, "aclk_intmem", "aclk_perilp0", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(23), 0, GFLAGS), + GATE(ACLK_TZMA, "aclk_tzma", "aclk_perilp0", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(23), 1, GFLAGS), + GATE(SCLK_INTMEM0, "clk_intmem0", "aclk_perilp0", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(23), 2, GFLAGS), + GATE(SCLK_INTMEM1, "clk_intmem1", "aclk_perilp0", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(23), 3, GFLAGS), + GATE(SCLK_INTMEM2, "clk_intmem2", "aclk_perilp0", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(23), 4, GFLAGS), + GATE(SCLK_INTMEM3, "clk_intmem3", "aclk_perilp0", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(23), 5, GFLAGS), + GATE(SCLK_INTMEM4, "clk_intmem4", "aclk_perilp0", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(23), 6, GFLAGS), + GATE(SCLK_INTMEM5, "clk_intmem5", "aclk_perilp0", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(23), 7, GFLAGS), + GATE(ACLK_DCF, "aclk_dcf", "aclk_perilp0", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(23), 8, GFLAGS), + GATE(ACLK_DMAC0_PERILP, "aclk_dmac0_perilp", "aclk_perilp0", 0, RK3399_CLKGATE_CON(25), 5, GFLAGS), + GATE(ACLK_DMAC1_PERILP, "aclk_dmac1_perilp", "aclk_perilp0", 0, RK3399_CLKGATE_CON(25), 6, GFLAGS), + GATE(ACLK_PERILP0_NOC, "aclk_perilp0_noc", "aclk_perilp0", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(25), 7, GFLAGS), + + /* hclk_perilp0 gates */ + GATE(HCLK_ROM, "hclk_rom", "hclk_perilp0", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(24), 4, GFLAGS), + GATE(HCLK_M_CRYPTO0, "hclk_m_crypto0", "hclk_perilp0", 0, RK3399_CLKGATE_CON(24), 5, GFLAGS), + GATE(HCLK_S_CRYPTO0, "hclk_s_crypto0", "hclk_perilp0", 0, RK3399_CLKGATE_CON(24), 6, GFLAGS), + GATE(HCLK_M_CRYPTO1, "hclk_m_crypto1", "hclk_perilp0", 0, RK3399_CLKGATE_CON(24), 14, GFLAGS), + GATE(HCLK_S_CRYPTO1, "hclk_s_crypto1", "hclk_perilp0", 0, RK3399_CLKGATE_CON(24), 15, GFLAGS), + GATE(HCLK_PERILP0_NOC, "hclk_perilp0_noc", "hclk_perilp0", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(25), 8, GFLAGS), + + /* pclk_perilp0 gates */ + GATE(PCLK_DCF, "pclk_dcf", "pclk_perilp0", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(23), 9, GFLAGS), + + /* crypto */ + COMPOSITE(SCLK_CRYPTO0, "clk_crypto0", mux_pll_src_cpll_gpll_ppll_p, 0, + RK3399_CLKSEL_CON(24), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(7), 7, GFLAGS), + + COMPOSITE(SCLK_CRYPTO1, "clk_crypto1", mux_pll_src_cpll_gpll_ppll_p, 0, + RK3399_CLKSEL_CON(26), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(7), 8, GFLAGS), + + /* cm0s_perilp */ + GATE(0, "cpll_fclk_cm0s_src", "cpll", 0, + RK3399_CLKGATE_CON(7), 6, GFLAGS), + GATE(0, "gpll_fclk_cm0s_src", "gpll", 0, + RK3399_CLKGATE_CON(7), 5, GFLAGS), + COMPOSITE(FCLK_CM0S, "fclk_cm0s", mux_fclk_cm0s_p, 0, + RK3399_CLKSEL_CON(24), 15, 1, MFLAGS, 8, 5, DFLAGS, + RK3399_CLKGATE_CON(7), 9, GFLAGS), + + /* fclk_cm0s gates */ + GATE(SCLK_M0_PERILP, "sclk_m0_perilp", "fclk_cm0s", 0, RK3399_CLKGATE_CON(24), 8, GFLAGS), + GATE(HCLK_M0_PERILP, "hclk_m0_perilp", "fclk_cm0s", 0, RK3399_CLKGATE_CON(24), 9, GFLAGS), + GATE(DCLK_M0_PERILP, "dclk_m0_perilp", "fclk_cm0s", 0, RK3399_CLKGATE_CON(24), 10, GFLAGS), + GATE(SCLK_M0_PERILP_DEC, "clk_m0_perilp_dec", "fclk_cm0s", 0, RK3399_CLKGATE_CON(24), 11, GFLAGS), + GATE(HCLK_M0_PERILP_NOC, "hclk_m0_perilp_noc", "fclk_cm0s", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(25), 11, GFLAGS), + + /* perilp1 */ + GATE(0, "cpll_hclk_perilp1_src", "cpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(8), 1, GFLAGS), + GATE(0, "gpll_hclk_perilp1_src", "gpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(8), 0, GFLAGS), + COMPOSITE_NOGATE(HCLK_PERILP1, "hclk_perilp1", mux_hclk_perilp1_p, CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(25), 7, 1, MFLAGS, 0, 5, DFLAGS), + COMPOSITE_NOMUX(PCLK_PERILP1, "pclk_perilp1", "hclk_perilp1", CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(25), 8, 3, DFLAGS, + RK3399_CLKGATE_CON(8), 2, GFLAGS), + + /* hclk_perilp1 gates */ + GATE(0, "hclk_perilp1_noc", "hclk_perilp1", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(25), 9, GFLAGS), + GATE(0, "hclk_sdio_noc", "hclk_perilp1", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(25), 12, GFLAGS), + GATE(HCLK_I2S0_8CH, "hclk_i2s0", "hclk_perilp1", 0, RK3399_CLKGATE_CON(34), 0, GFLAGS), + GATE(HCLK_I2S1_8CH, "hclk_i2s1", "hclk_perilp1", 0, RK3399_CLKGATE_CON(34), 1, GFLAGS), + GATE(HCLK_I2S2_8CH, "hclk_i2s2", "hclk_perilp1", 0, RK3399_CLKGATE_CON(34), 2, GFLAGS), + GATE(HCLK_SPDIF, "hclk_spdif", "hclk_perilp1", 0, RK3399_CLKGATE_CON(34), 3, GFLAGS), + GATE(HCLK_SDIO, "hclk_sdio", "hclk_perilp1", 0, RK3399_CLKGATE_CON(34), 4, GFLAGS), + GATE(PCLK_SPI5, "pclk_spi5", "hclk_perilp1", 0, RK3399_CLKGATE_CON(34), 5, GFLAGS), + GATE(0, "hclk_sdioaudio_noc", "hclk_perilp1", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(34), 6, GFLAGS), + + /* pclk_perilp1 gates */ + GATE(PCLK_UART0, "pclk_uart0", "pclk_perilp1", 0, RK3399_CLKGATE_CON(22), 0, GFLAGS), + GATE(PCLK_UART1, "pclk_uart1", "pclk_perilp1", 0, RK3399_CLKGATE_CON(22), 1, GFLAGS), + GATE(PCLK_UART2, "pclk_uart2", "pclk_perilp1", 0, RK3399_CLKGATE_CON(22), 2, GFLAGS), + GATE(PCLK_UART3, "pclk_uart3", "pclk_perilp1", 0, RK3399_CLKGATE_CON(22), 3, GFLAGS), + GATE(PCLK_I2C7, "pclk_rki2c7", "pclk_perilp1", 0, RK3399_CLKGATE_CON(22), 5, GFLAGS), + GATE(PCLK_I2C1, "pclk_rki2c1", "pclk_perilp1", 0, RK3399_CLKGATE_CON(22), 6, GFLAGS), + GATE(PCLK_I2C5, "pclk_rki2c5", "pclk_perilp1", 0, RK3399_CLKGATE_CON(22), 7, GFLAGS), + GATE(PCLK_I2C6, "pclk_rki2c6", "pclk_perilp1", 0, RK3399_CLKGATE_CON(22), 8, GFLAGS), + GATE(PCLK_I2C2, "pclk_rki2c2", "pclk_perilp1", 0, RK3399_CLKGATE_CON(22), 9, GFLAGS), + GATE(PCLK_I2C3, "pclk_rki2c3", "pclk_perilp1", 0, RK3399_CLKGATE_CON(22), 10, GFLAGS), + GATE(PCLK_MAILBOX0, "pclk_mailbox0", "pclk_perilp1", 0, RK3399_CLKGATE_CON(22), 11, GFLAGS), + GATE(PCLK_SARADC, "pclk_saradc", "pclk_perilp1", 0, RK3399_CLKGATE_CON(22), 12, GFLAGS), + GATE(PCLK_TSADC, "pclk_tsadc", "pclk_perilp1", 0, RK3399_CLKGATE_CON(22), 13, GFLAGS), + GATE(PCLK_EFUSE1024NS, "pclk_efuse1024ns", "pclk_perilp1", 0, RK3399_CLKGATE_CON(22), 14, GFLAGS), + GATE(PCLK_EFUSE1024S, "pclk_efuse1024s", "pclk_perilp1", 0, RK3399_CLKGATE_CON(22), 15, GFLAGS), + GATE(PCLK_SPI0, "pclk_spi0", "pclk_perilp1", 0, RK3399_CLKGATE_CON(23), 10, GFLAGS), + GATE(PCLK_SPI1, "pclk_spi1", "pclk_perilp1", 0, RK3399_CLKGATE_CON(23), 11, GFLAGS), + GATE(PCLK_SPI2, "pclk_spi2", "pclk_perilp1", 0, RK3399_CLKGATE_CON(23), 12, GFLAGS), + GATE(PCLK_SPI4, "pclk_spi4", "pclk_perilp1", 0, RK3399_CLKGATE_CON(23), 13, GFLAGS), + GATE(PCLK_PERIHP_GRF, "pclk_perilp_sgrf", "pclk_perilp1", 0, RK3399_CLKGATE_CON(24), 13, GFLAGS), + GATE(0, "pclk_perilp1_noc", "pclk_perilp1", 0, RK3399_CLKGATE_CON(25), 10, GFLAGS), + + /* saradc */ + COMPOSITE_NOMUX(SCLK_SARADC, "clk_saradc", "xin24m", 0, + RK3399_CLKSEL_CON(26), 8, 8, DFLAGS, + RK3399_CLKGATE_CON(9), 11, GFLAGS), + + /* tsadc */ + COMPOSITE(SCLK_TSADC, "clk_tsadc", mux_pll_p, 0, + RK3399_CLKSEL_CON(27), 15, 1, MFLAGS, 0, 10, DFLAGS, + RK3399_CLKGATE_CON(9), 10, GFLAGS), + + /* cif_testout */ + MUX(0, "clk_testout1_pll_src", mux_pll_src_cpll_gpll_npll_p, 0, + RK3399_CLKSEL_CON(38), 6, 2, MFLAGS), + COMPOSITE(0, "clk_testout1", mux_clk_testout1_p, 0, + RK3399_CLKSEL_CON(38), 5, 1, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(13), 14, GFLAGS), + + MUX(0, "clk_testout2_pll_src", mux_pll_src_cpll_gpll_npll_p, 0, + RK3399_CLKSEL_CON(38), 14, 2, MFLAGS), + COMPOSITE(0, "clk_testout2", mux_clk_testout2_p, 0, + RK3399_CLKSEL_CON(38), 13, 1, MFLAGS, 8, 5, DFLAGS, + RK3399_CLKGATE_CON(13), 15, GFLAGS), + + /* vio */ + COMPOSITE(ACLK_VIO, "aclk_vio", mux_pll_src_cpll_gpll_ppll_p, CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(42), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(11), 10, GFLAGS), + COMPOSITE_NOMUX(PCLK_VIO, "pclk_vio", "aclk_vio", 0, + RK3399_CLKSEL_CON(43), 0, 5, DFLAGS, + RK3399_CLKGATE_CON(11), 1, GFLAGS), + + GATE(ACLK_VIO_NOC, "aclk_vio_noc", "aclk_vio", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(29), 0, GFLAGS), + + GATE(PCLK_MIPI_DSI0, "pclk_mipi_dsi0", "pclk_vio", 0, + RK3399_CLKGATE_CON(29), 1, GFLAGS), + GATE(PCLK_MIPI_DSI1, "pclk_mipi_dsi1", "pclk_vio", 0, + RK3399_CLKGATE_CON(29), 2, GFLAGS), + GATE(PCLK_VIO_GRF, "pclk_vio_grf", "pclk_vio", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(29), 12, GFLAGS), + + /* hdcp */ + COMPOSITE(ACLK_HDCP, "aclk_hdcp", mux_pll_src_cpll_gpll_ppll_p, 0, + RK3399_CLKSEL_CON(42), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK3399_CLKGATE_CON(11), 12, GFLAGS), + COMPOSITE_NOMUX(HCLK_HDCP, "hclk_hdcp", "aclk_hdcp", 0, + RK3399_CLKSEL_CON(43), 5, 5, DFLAGS, + RK3399_CLKGATE_CON(11), 3, GFLAGS), + COMPOSITE_NOMUX(PCLK_HDCP, "pclk_hdcp", "aclk_hdcp", 0, + RK3399_CLKSEL_CON(43), 10, 5, DFLAGS, + RK3399_CLKGATE_CON(11), 10, GFLAGS), + + GATE(ACLK_HDCP_NOC, "aclk_hdcp_noc", "aclk_hdcp", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(29), 4, GFLAGS), + GATE(ACLK_HDCP22, "aclk_hdcp22", "aclk_hdcp", 0, + RK3399_CLKGATE_CON(29), 10, GFLAGS), + + GATE(HCLK_HDCP_NOC, "hclk_hdcp_noc", "hclk_hdcp", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(29), 5, GFLAGS), + GATE(HCLK_HDCP22, "hclk_hdcp22", "hclk_hdcp", 0, + RK3399_CLKGATE_CON(29), 9, GFLAGS), + + GATE(PCLK_HDCP_NOC, "pclk_hdcp_noc", "pclk_hdcp", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(29), 3, GFLAGS), + GATE(PCLK_HDMI_CTRL, "pclk_hdmi_ctrl", "pclk_hdcp", 0, + RK3399_CLKGATE_CON(29), 6, GFLAGS), + GATE(PCLK_DP_CTRL, "pclk_dp_ctrl", "pclk_hdcp", 0, + RK3399_CLKGATE_CON(29), 7, GFLAGS), + GATE(PCLK_HDCP22, "pclk_hdcp22", "pclk_hdcp", 0, + RK3399_CLKGATE_CON(29), 8, GFLAGS), + GATE(PCLK_GASKET, "pclk_gasket", "pclk_hdcp", 0, + RK3399_CLKGATE_CON(29), 11, GFLAGS), + + /* edp */ + COMPOSITE(SCLK_DP_CORE, "clk_dp_core", mux_pll_src_npll_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(46), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(11), 8, GFLAGS), + + COMPOSITE(PCLK_EDP, "pclk_edp", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(44), 15, 1, MFLAGS, 8, 5, DFLAGS, + RK3399_CLKGATE_CON(11), 11, GFLAGS), + GATE(PCLK_EDP_NOC, "pclk_edp_noc", "pclk_edp", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(32), 12, GFLAGS), + GATE(PCLK_EDP_CTRL, "pclk_edp_ctrl", "pclk_edp", 0, + RK3399_CLKGATE_CON(32), 13, GFLAGS), + + /* hdmi */ + GATE(SCLK_HDMI_SFR, "clk_hdmi_sfr", "xin24m", 0, + RK3399_CLKGATE_CON(11), 6, GFLAGS), + + COMPOSITE(SCLK_HDMI_CEC, "clk_hdmi_cec", mux_pll_p, 0, + RK3399_CLKSEL_CON(45), 15, 1, MFLAGS, 0, 10, DFLAGS, + RK3399_CLKGATE_CON(11), 7, GFLAGS), + + /* vop0 */ + COMPOSITE(ACLK_VOP0_PRE, "aclk_vop0_pre", mux_pll_src_vpll_cpll_gpll_npll_p, 0, + RK3399_CLKSEL_CON(47), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(10), 8, GFLAGS), + COMPOSITE_NOMUX(0, "hclk_vop0_pre", "aclk_vop0_pre", 0, + RK3399_CLKSEL_CON(47), 8, 5, DFLAGS, + RK3399_CLKGATE_CON(10), 9, GFLAGS), + + GATE(ACLK_VOP0, "aclk_vop0", "aclk_vop0_pre", 0, + RK3399_CLKGATE_CON(28), 3, GFLAGS), + GATE(ACLK_VOP0_NOC, "aclk_vop0_noc", "aclk_vop0_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(28), 1, GFLAGS), + + GATE(HCLK_VOP0, "hclk_vop0", "hclk_vop0_pre", 0, + RK3399_CLKGATE_CON(28), 2, GFLAGS), + GATE(HCLK_VOP0_NOC, "hclk_vop0_noc", "hclk_vop0_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(28), 0, GFLAGS), + + COMPOSITE(DCLK_VOP0_DIV, "dclk_vop0_div", mux_pll_src_vpll_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(49), 8, 2, MFLAGS, 0, 8, DFLAGS, + RK3399_CLKGATE_CON(10), 12, GFLAGS), + + COMPOSITE_FRACMUX_NOGATE(0, "dclk_vop0_frac", "dclk_vop0_div", CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(106), 0, + &rk3399_dclk_vop0_fracmux), + + COMPOSITE(SCLK_VOP0_PWM, "clk_vop0_pwm", mux_pll_src_vpll_cpll_gpll_24m_p, 0, + RK3399_CLKSEL_CON(51), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(10), 14, GFLAGS), + + /* vop1 */ + COMPOSITE(ACLK_VOP1_PRE, "aclk_vop1_pre", mux_pll_src_vpll_cpll_gpll_npll_p, 0, + RK3399_CLKSEL_CON(48), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(10), 10, GFLAGS), + COMPOSITE_NOMUX(0, "hclk_vop1_pre", "aclk_vop1_pre", 0, + RK3399_CLKSEL_CON(48), 8, 5, DFLAGS, + RK3399_CLKGATE_CON(10), 11, GFLAGS), + + GATE(ACLK_VOP1, "aclk_vop1", "aclk_vop1_pre", 0, + RK3399_CLKGATE_CON(28), 7, GFLAGS), + GATE(ACLK_VOP1_NOC, "aclk_vop1_noc", "aclk_vop1_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(28), 5, GFLAGS), + + GATE(HCLK_VOP1, "hclk_vop1", "hclk_vop1_pre", 0, + RK3399_CLKGATE_CON(28), 6, GFLAGS), + GATE(HCLK_VOP1_NOC, "hclk_vop1_noc", "hclk_vop1_pre", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(28), 4, GFLAGS), + + COMPOSITE(DCLK_VOP1_DIV, "dclk_vop1_div", mux_pll_src_vpll_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(50), 8, 2, MFLAGS, 0, 8, DFLAGS, + RK3399_CLKGATE_CON(10), 13, GFLAGS), + + COMPOSITE_FRACMUX_NOGATE(0, "dclk_vop1_frac", "dclk_vop1_div", CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(107), 0, + &rk3399_dclk_vop1_fracmux), + + COMPOSITE(SCLK_VOP1_PWM, "clk_vop1_pwm", mux_pll_src_vpll_cpll_gpll_24m_p, CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(52), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(10), 15, GFLAGS), + + /* isp */ + COMPOSITE(ACLK_ISP0, "aclk_isp0", mux_pll_src_cpll_gpll_ppll_p, 0, + RK3399_CLKSEL_CON(53), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(12), 8, GFLAGS), + COMPOSITE_NOMUX(HCLK_ISP0, "hclk_isp0", "aclk_isp0", 0, + RK3399_CLKSEL_CON(53), 8, 5, DFLAGS, + RK3399_CLKGATE_CON(12), 9, GFLAGS), + + GATE(ACLK_ISP0_NOC, "aclk_isp0_noc", "aclk_isp0", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(27), 1, GFLAGS), + GATE(ACLK_ISP0_WRAPPER, "aclk_isp0_wrapper", "aclk_isp0", 0, + RK3399_CLKGATE_CON(27), 5, GFLAGS), + GATE(HCLK_ISP1_WRAPPER, "hclk_isp1_wrapper", "aclk_isp0", 0, + RK3399_CLKGATE_CON(27), 7, GFLAGS), + + GATE(HCLK_ISP0_NOC, "hclk_isp0_noc", "hclk_isp0", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(27), 0, GFLAGS), + GATE(HCLK_ISP0_WRAPPER, "hclk_isp0_wrapper", "hclk_isp0", 0, + RK3399_CLKGATE_CON(27), 4, GFLAGS), + + COMPOSITE(SCLK_ISP0, "clk_isp0", mux_pll_src_cpll_gpll_npll_p, 0, + RK3399_CLKSEL_CON(55), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(11), 4, GFLAGS), + + COMPOSITE(ACLK_ISP1, "aclk_isp1", mux_pll_src_cpll_gpll_ppll_p, 0, + RK3399_CLKSEL_CON(54), 6, 2, MFLAGS, 0, 5, DFLAGS, + RK3399_CLKGATE_CON(12), 10, GFLAGS), + COMPOSITE_NOMUX(HCLK_ISP1, "hclk_isp1", "aclk_isp1", 0, + RK3399_CLKSEL_CON(54), 8, 5, DFLAGS, + RK3399_CLKGATE_CON(12), 11, GFLAGS), + + GATE(ACLK_ISP1_NOC, "aclk_isp1_noc", "aclk_isp1", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(27), 3, GFLAGS), + + GATE(HCLK_ISP1_NOC, "hclk_isp1_noc", "hclk_isp1", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(27), 2, GFLAGS), + GATE(ACLK_ISP1_WRAPPER, "aclk_isp1_wrapper", "hclk_isp1", 0, + RK3399_CLKGATE_CON(27), 8, GFLAGS), + + COMPOSITE(SCLK_ISP1, "clk_isp1", mux_pll_src_cpll_gpll_npll_p, 0, + RK3399_CLKSEL_CON(55), 14, 2, MFLAGS, 8, 5, DFLAGS, + RK3399_CLKGATE_CON(11), 5, GFLAGS), + + /* + * We use pclkin_cifinv by default GRF_SOC_CON20[9] (GSC20_9) setting in system, + * so we ignore the mux and make clocks nodes as following, + * + * pclkin_cifinv --|-------\ + * |GSC20_9|-- pclkin_cifmux -- |G27_6| -- pclkin_isp1_wrapper + * pclkin_cif --|-------/ + */ + GATE(PCLK_ISP1_WRAPPER, "pclkin_isp1_wrapper", "pclkin_cif", 0, + RK3399_CLKGATE_CON(27), 6, GFLAGS), + + /* cif */ + COMPOSITE_NODIV(0, "clk_cifout_src", mux_pll_src_cpll_gpll_npll_p, 0, + RK3399_CLKSEL_CON(56), 6, 2, MFLAGS, + RK3399_CLKGATE_CON(10), 7, GFLAGS), + + COMPOSITE_NOGATE(SCLK_CIF_OUT, "clk_cifout", mux_clk_cif_p, 0, + RK3399_CLKSEL_CON(56), 5, 1, MFLAGS, 0, 5, DFLAGS), + + /* gic */ + COMPOSITE(ACLK_GIC_PRE, "aclk_gic_pre", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED, + RK3399_CLKSEL_CON(56), 15, 1, MFLAGS, 8, 5, DFLAGS, + RK3399_CLKGATE_CON(12), 12, GFLAGS), + + GATE(ACLK_GIC, "aclk_gic", "aclk_gic_pre", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(33), 0, GFLAGS), + GATE(ACLK_GIC_NOC, "aclk_gic_noc", "aclk_gic_pre", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(33), 1, GFLAGS), + GATE(ACLK_GIC_ADB400_CORE_L_2_GIC, "aclk_gic_adb400_core_l_2_gic", "aclk_gic_pre", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(33), 2, GFLAGS), + GATE(ACLK_GIC_ADB400_CORE_B_2_GIC, "aclk_gic_adb400_core_b_2_gic", "aclk_gic_pre", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(33), 3, GFLAGS), + GATE(ACLK_GIC_ADB400_GIC_2_CORE_L, "aclk_gic_adb400_gic_2_core_l", "aclk_gic_pre", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(33), 4, GFLAGS), + GATE(ACLK_GIC_ADB400_GIC_2_CORE_B, "aclk_gic_adb400_gic_2_core_b", "aclk_gic_pre", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(33), 5, GFLAGS), + + /* alive */ + /* pclk_alive_gpll_src is controlled by PMUGRF_SOC_CON0[6] */ + DIV(PCLK_ALIVE, "pclk_alive", "gpll", 0, + RK3399_CLKSEL_CON(57), 0, 5, DFLAGS), + + GATE(PCLK_USBPHY_MUX_G, "pclk_usbphy_mux_g", "pclk_alive", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(21), 4, GFLAGS), + GATE(PCLK_UPHY0_TCPHY_G, "pclk_uphy0_tcphy_g", "pclk_alive", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(21), 5, GFLAGS), + GATE(PCLK_UPHY0_TCPD_G, "pclk_uphy0_tcpd_g", "pclk_alive", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(21), 6, GFLAGS), + GATE(PCLK_UPHY1_TCPHY_G, "pclk_uphy1_tcphy_g", "pclk_alive", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(21), 8, GFLAGS), + GATE(PCLK_UPHY1_TCPD_G, "pclk_uphy1_tcpd_g", "pclk_alive", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(21), 9, GFLAGS), + + GATE(PCLK_GRF, "pclk_grf", "pclk_alive", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(31), 1, GFLAGS), + GATE(PCLK_INTR_ARB, "pclk_intr_arb", "pclk_alive", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(31), 2, GFLAGS), + GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_alive", 0, RK3399_CLKGATE_CON(31), 3, GFLAGS), + GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_alive", 0, RK3399_CLKGATE_CON(31), 4, GFLAGS), + GATE(PCLK_GPIO4, "pclk_gpio4", "pclk_alive", 0, RK3399_CLKGATE_CON(31), 5, GFLAGS), + GATE(PCLK_TIMER0, "pclk_timer0", "pclk_alive", 0, RK3399_CLKGATE_CON(31), 6, GFLAGS), + GATE(PCLK_TIMER1, "pclk_timer1", "pclk_alive", 0, RK3399_CLKGATE_CON(31), 7, GFLAGS), + GATE(PCLK_PMU_INTR_ARB, "pclk_pmu_intr_arb", "pclk_alive", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(31), 9, GFLAGS), + GATE(PCLK_SGRF, "pclk_sgrf", "pclk_alive", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(31), 10, GFLAGS), + + GATE(SCLK_MIPIDPHY_REF, "clk_mipidphy_ref", "xin24m", 0, RK3399_CLKGATE_CON(11), 14, GFLAGS), + GATE(SCLK_DPHY_PLL, "clk_dphy_pll", "clk_mipidphy_ref", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(21), 0, GFLAGS), + + GATE(SCLK_MIPIDPHY_CFG, "clk_mipidphy_cfg", "xin24m", 0, RK3399_CLKGATE_CON(11), 15, GFLAGS), + GATE(SCLK_DPHY_TX0_CFG, "clk_dphy_tx0_cfg", "clk_mipidphy_cfg", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(21), 1, GFLAGS), + GATE(SCLK_DPHY_TX1RX1_CFG, "clk_dphy_tx1rx1_cfg", "clk_mipidphy_cfg", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(21), 2, GFLAGS), + GATE(SCLK_DPHY_RX0_CFG, "clk_dphy_rx0_cfg", "clk_mipidphy_cfg", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(21), 3, GFLAGS), + + /* testout */ + MUX(0, "clk_test_pre", mux_pll_src_cpll_gpll_p, CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(58), 7, 1, MFLAGS), + COMPOSITE_FRAC(0, "clk_test_frac", "clk_test_pre", CLK_SET_RATE_PARENT, + RK3399_CLKSEL_CON(105), 0, + RK3399_CLKGATE_CON(13), 9, GFLAGS), + + DIV(0, "clk_test_24m", "xin24m", 0, + RK3399_CLKSEL_CON(57), 6, 10, DFLAGS), + + /* spi */ + COMPOSITE(SCLK_SPI0, "clk_spi0", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(59), 7, 1, MFLAGS, 0, 7, DFLAGS, + RK3399_CLKGATE_CON(9), 12, GFLAGS), + + COMPOSITE(SCLK_SPI1, "clk_spi1", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(59), 15, 1, MFLAGS, 8, 7, DFLAGS, + RK3399_CLKGATE_CON(9), 13, GFLAGS), + + COMPOSITE(SCLK_SPI2, "clk_spi2", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(60), 7, 1, MFLAGS, 0, 7, DFLAGS, + RK3399_CLKGATE_CON(9), 14, GFLAGS), + + COMPOSITE(SCLK_SPI4, "clk_spi4", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(60), 15, 1, MFLAGS, 8, 7, DFLAGS, + RK3399_CLKGATE_CON(9), 15, GFLAGS), + + COMPOSITE(SCLK_SPI5, "clk_spi5", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(58), 15, 1, MFLAGS, 8, 7, DFLAGS, + RK3399_CLKGATE_CON(13), 13, GFLAGS), + + /* i2c */ + COMPOSITE(SCLK_I2C1, "clk_i2c1", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(61), 7, 1, MFLAGS, 0, 7, DFLAGS, + RK3399_CLKGATE_CON(10), 0, GFLAGS), + + COMPOSITE(SCLK_I2C2, "clk_i2c2", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(62), 7, 1, MFLAGS, 0, 7, DFLAGS, + RK3399_CLKGATE_CON(10), 2, GFLAGS), + + COMPOSITE(SCLK_I2C3, "clk_i2c3", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(63), 7, 1, MFLAGS, 0, 7, DFLAGS, + RK3399_CLKGATE_CON(10), 4, GFLAGS), + + COMPOSITE(SCLK_I2C5, "clk_i2c5", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(61), 15, 1, MFLAGS, 8, 7, DFLAGS, + RK3399_CLKGATE_CON(10), 1, GFLAGS), + + COMPOSITE(SCLK_I2C6, "clk_i2c6", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(62), 15, 1, MFLAGS, 8, 7, DFLAGS, + RK3399_CLKGATE_CON(10), 3, GFLAGS), + + COMPOSITE(SCLK_I2C7, "clk_i2c7", mux_pll_src_cpll_gpll_p, 0, + RK3399_CLKSEL_CON(63), 15, 1, MFLAGS, 8, 7, DFLAGS, + RK3399_CLKGATE_CON(10), 5, GFLAGS), + + /* timer */ + GATE(SCLK_TIMER00, "clk_timer00", "xin24m", 0, RK3399_CLKGATE_CON(26), 0, GFLAGS), + GATE(SCLK_TIMER01, "clk_timer01", "xin24m", 0, RK3399_CLKGATE_CON(26), 1, GFLAGS), + GATE(SCLK_TIMER02, "clk_timer02", "xin24m", 0, RK3399_CLKGATE_CON(26), 2, GFLAGS), + GATE(SCLK_TIMER03, "clk_timer03", "xin24m", 0, RK3399_CLKGATE_CON(26), 3, GFLAGS), + GATE(SCLK_TIMER04, "clk_timer04", "xin24m", 0, RK3399_CLKGATE_CON(26), 4, GFLAGS), + GATE(SCLK_TIMER05, "clk_timer05", "xin24m", 0, RK3399_CLKGATE_CON(26), 5, GFLAGS), + GATE(SCLK_TIMER06, "clk_timer06", "xin24m", 0, RK3399_CLKGATE_CON(26), 6, GFLAGS), + GATE(SCLK_TIMER07, "clk_timer07", "xin24m", 0, RK3399_CLKGATE_CON(26), 7, GFLAGS), + GATE(SCLK_TIMER08, "clk_timer08", "xin24m", 0, RK3399_CLKGATE_CON(26), 8, GFLAGS), + GATE(SCLK_TIMER09, "clk_timer09", "xin24m", 0, RK3399_CLKGATE_CON(26), 9, GFLAGS), + GATE(SCLK_TIMER10, "clk_timer10", "xin24m", 0, RK3399_CLKGATE_CON(26), 10, GFLAGS), + GATE(SCLK_TIMER11, "clk_timer11", "xin24m", 0, RK3399_CLKGATE_CON(26), 11, GFLAGS), + + /* clk_test */ + /* clk_test_pre is controlled by CRU_MISC_CON[3] */ + COMPOSITE_NOMUX(0, "clk_test", "clk_test_pre", CLK_IGNORE_UNUSED, + RK3368_CLKSEL_CON(58), 0, 5, DFLAGS, + RK3368_CLKGATE_CON(13), 11, GFLAGS), +}; + +static struct rockchip_clk_branch rk3399_clk_pmu_branches[] __initdata = { + /* + * PMU CRU Clock-Architecture + */ + + GATE(0, "fclk_cm0s_pmu_ppll_src", "ppll", 0, + RK3399_PMU_CLKGATE_CON(0), 1, GFLAGS), + + COMPOSITE_NOGATE(FCLK_CM0S_SRC_PMU, "fclk_cm0s_src_pmu", mux_fclk_cm0s_pmu_ppll_p, 0, + RK3399_PMU_CLKSEL_CON(0), 15, 1, MFLAGS, 8, 5, DFLAGS), + + COMPOSITE(SCLK_SPI3_PMU, "clk_spi3_pmu", mux_24m_ppll_p, 0, + RK3399_PMU_CLKSEL_CON(1), 7, 1, MFLAGS, 0, 7, DFLAGS, + RK3399_PMU_CLKGATE_CON(0), 2, GFLAGS), + + COMPOSITE(0, "clk_wifi_div", mux_ppll_24m_p, CLK_IGNORE_UNUSED, + RK3399_PMU_CLKSEL_CON(1), 13, 1, MFLAGS, 8, 5, DFLAGS, + RK3399_PMU_CLKGATE_CON(0), 8, GFLAGS), + + COMPOSITE_FRACMUX_NOGATE(0, "clk_wifi_frac", "clk_wifi_div", CLK_SET_RATE_PARENT, + RK3399_PMU_CLKSEL_CON(7), 0, + &rk3399_pmuclk_wifi_fracmux), + + MUX(0, "clk_timer_src_pmu", mux_pll_p, CLK_IGNORE_UNUSED, + RK3399_PMU_CLKSEL_CON(1), 15, 1, MFLAGS), + + COMPOSITE_NOMUX(SCLK_I2C0_PMU, "clk_i2c0_pmu", "ppll", 0, + RK3399_PMU_CLKSEL_CON(2), 0, 7, DFLAGS, + RK3399_PMU_CLKGATE_CON(0), 9, GFLAGS), + + COMPOSITE_NOMUX(SCLK_I2C4_PMU, "clk_i2c4_pmu", "ppll", 0, + RK3399_PMU_CLKSEL_CON(3), 0, 7, DFLAGS, + RK3399_PMU_CLKGATE_CON(0), 10, GFLAGS), + + COMPOSITE_NOMUX(SCLK_I2C8_PMU, "clk_i2c8_pmu", "ppll", 0, + RK3399_PMU_CLKSEL_CON(2), 8, 7, DFLAGS, + RK3399_PMU_CLKGATE_CON(0), 11, GFLAGS), + + DIV(0, "clk_32k_suspend_pmu", "xin24m", CLK_IGNORE_UNUSED, + RK3399_PMU_CLKSEL_CON(4), 0, 10, DFLAGS), + MUX(0, "clk_testout_2io", mux_clk_testout2_2io_p, CLK_IGNORE_UNUSED, + RK3399_PMU_CLKSEL_CON(4), 15, 1, MFLAGS), + + COMPOSITE(0, "clk_uart4_div", mux_24m_ppll_p, 0, + RK3399_PMU_CLKSEL_CON(5), 10, 1, MFLAGS, 0, 7, DFLAGS, + RK3399_PMU_CLKGATE_CON(0), 5, GFLAGS), + + COMPOSITE_FRACMUX(0, "clk_uart4_frac", "clk_uart4_div", CLK_SET_RATE_PARENT, + RK3399_PMU_CLKSEL_CON(6), 0, + RK3399_PMU_CLKGATE_CON(0), 6, GFLAGS, + &rk3399_uart4_pmu_fracmux), + + DIV(PCLK_SRC_PMU, "pclk_pmu_src", "ppll", CLK_IGNORE_UNUSED, + RK3399_PMU_CLKSEL_CON(0), 0, 5, DFLAGS), + + /* pmu clock gates */ + GATE(SCLK_TIMER12_PMU, "clk_timer0_pmu", "clk_timer_src_pmu", 0, RK3399_PMU_CLKGATE_CON(0), 3, GFLAGS), + GATE(SCLK_TIMER13_PMU, "clk_timer1_pmu", "clk_timer_src_pmu", 0, RK3399_PMU_CLKGATE_CON(0), 4, GFLAGS), + + GATE(SCLK_PVTM_PMU, "clk_pvtm_pmu", "xin24m", CLK_IGNORE_UNUSED, RK3399_PMU_CLKGATE_CON(0), 7, GFLAGS), + + GATE(PCLK_PMU, "pclk_pmu", "pclk_pmu_src", CLK_IGNORE_UNUSED, RK3399_PMU_CLKGATE_CON(1), 0, GFLAGS), + GATE(PCLK_PMUGRF_PMU, "pclk_pmugrf_pmu", "pclk_pmu_src", CLK_IGNORE_UNUSED, RK3399_PMU_CLKGATE_CON(1), 1, GFLAGS), + GATE(PCLK_INTMEM1_PMU, "pclk_intmem1_pmu", "pclk_pmu_src", CLK_IGNORE_UNUSED, RK3399_PMU_CLKGATE_CON(1), 2, GFLAGS), + GATE(PCLK_GPIO0_PMU, "pclk_gpio0_pmu", "pclk_pmu_src", 0, RK3399_PMU_CLKGATE_CON(1), 3, GFLAGS), + GATE(PCLK_GPIO1_PMU, "pclk_gpio1_pmu", "pclk_pmu_src", 0, RK3399_PMU_CLKGATE_CON(1), 4, GFLAGS), + GATE(PCLK_SGRF_PMU, "pclk_sgrf_pmu", "pclk_pmu_src", CLK_IGNORE_UNUSED, RK3399_PMU_CLKGATE_CON(1), 5, GFLAGS), + GATE(PCLK_NOC_PMU, "pclk_noc_pmu", "pclk_pmu_src", CLK_IGNORE_UNUSED, RK3399_PMU_CLKGATE_CON(1), 6, GFLAGS), + GATE(PCLK_I2C0_PMU, "pclk_i2c0_pmu", "pclk_pmu_src", 0, RK3399_PMU_CLKGATE_CON(1), 7, GFLAGS), + GATE(PCLK_I2C4_PMU, "pclk_i2c4_pmu", "pclk_pmu_src", 0, RK3399_PMU_CLKGATE_CON(1), 8, GFLAGS), + GATE(PCLK_I2C8_PMU, "pclk_i2c8_pmu", "pclk_pmu_src", 0, RK3399_PMU_CLKGATE_CON(1), 9, GFLAGS), + GATE(PCLK_RKPWM_PMU, "pclk_rkpwm_pmu", "pclk_pmu_src", 0, RK3399_PMU_CLKGATE_CON(1), 10, GFLAGS), + GATE(PCLK_SPI3_PMU, "pclk_spi3_pmu", "pclk_pmu_src", 0, RK3399_PMU_CLKGATE_CON(1), 11, GFLAGS), + GATE(PCLK_TIMER_PMU, "pclk_timer_pmu", "pclk_pmu_src", 0, RK3399_PMU_CLKGATE_CON(1), 12, GFLAGS), + GATE(PCLK_MAILBOX_PMU, "pclk_mailbox_pmu", "pclk_pmu_src", 0, RK3399_PMU_CLKGATE_CON(1), 13, GFLAGS), + GATE(PCLK_UART4_PMU, "pclk_uart4_pmu", "pclk_pmu_src", 0, RK3399_PMU_CLKGATE_CON(1), 14, GFLAGS), + GATE(PCLK_WDT_M0_PMU, "pclk_wdt_m0_pmu", "pclk_pmu_src", 0, RK3399_PMU_CLKGATE_CON(1), 15, GFLAGS), + + GATE(FCLK_CM0S_PMU, "fclk_cm0s_pmu", "fclk_cm0s_src_pmu", 0, RK3399_PMU_CLKGATE_CON(2), 0, GFLAGS), + GATE(SCLK_CM0S_PMU, "sclk_cm0s_pmu", "fclk_cm0s_src_pmu", 0, RK3399_PMU_CLKGATE_CON(2), 1, GFLAGS), + GATE(HCLK_CM0S_PMU, "hclk_cm0s_pmu", "fclk_cm0s_src_pmu", 0, RK3399_PMU_CLKGATE_CON(2), 2, GFLAGS), + GATE(DCLK_CM0S_PMU, "dclk_cm0s_pmu", "fclk_cm0s_src_pmu", 0, RK3399_PMU_CLKGATE_CON(2), 3, GFLAGS), + GATE(HCLK_NOC_PMU, "hclk_noc_pmu", "fclk_cm0s_src_pmu", CLK_IGNORE_UNUSED, RK3399_PMU_CLKGATE_CON(2), 5, GFLAGS), +}; + +static const char *const rk3399_cru_critical_clocks[] __initconst = { + "aclk_cci_pre", + "pclk_perilp0", + "pclk_perilp0", + "hclk_perilp0", + "hclk_perilp0_noc", + "pclk_perilp1", + "pclk_perilp1_noc", + "pclk_perihp", + "pclk_perihp_noc", + "hclk_perihp", + "aclk_perihp", + "aclk_perihp_noc", + "aclk_perilp0", + "aclk_perilp0_noc", + "hclk_perilp1", + "hclk_perilp1_noc", + "aclk_dmac0_perilp", + "gpll_hclk_perilp1_src", + "gpll_aclk_perilp0_src", + "gpll_aclk_perihp_src", +}; + +static const char *const rk3399_pmucru_critical_clocks[] __initconst = { + "ppll", + "pclk_pmu_src", + "fclk_cm0s_src_pmu", + "clk_timer_src_pmu", +}; + +static void __init rk3399_clk_init(struct device_node *np) +{ + struct rockchip_clk_provider *ctx; + void __iomem *reg_base; + + reg_base = of_iomap(np, 0); + if (!reg_base) { + pr_err("%s: could not map cru region\n", __func__); + return; + } + + ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS); + if (IS_ERR(ctx)) { + pr_err("%s: rockchip clk init failed\n", __func__); + return; + } + + rockchip_clk_register_plls(ctx, rk3399_pll_clks, + ARRAY_SIZE(rk3399_pll_clks), -1); + + rockchip_clk_register_branches(ctx, rk3399_clk_branches, + ARRAY_SIZE(rk3399_clk_branches)); + + rockchip_clk_protect_critical(rk3399_cru_critical_clocks, + ARRAY_SIZE(rk3399_cru_critical_clocks)); + + rockchip_clk_register_armclk(ctx, ARMCLKL, "armclkl", + mux_armclkl_p, ARRAY_SIZE(mux_armclkl_p), + &rk3399_cpuclkl_data, rk3399_cpuclkl_rates, + ARRAY_SIZE(rk3399_cpuclkl_rates)); + + rockchip_clk_register_armclk(ctx, ARMCLKB, "armclkb", + mux_armclkb_p, ARRAY_SIZE(mux_armclkb_p), + &rk3399_cpuclkb_data, rk3399_cpuclkb_rates, + ARRAY_SIZE(rk3399_cpuclkb_rates)); + + rockchip_register_softrst(np, 21, reg_base + RK3399_SOFTRST_CON(0), + ROCKCHIP_SOFTRST_HIWORD_MASK); + + rockchip_register_restart_notifier(ctx, RK3399_GLB_SRST_FST, NULL); + + rockchip_clk_of_add_provider(np, ctx); +} +CLK_OF_DECLARE(rk3399_cru, "rockchip,rk3399-cru", rk3399_clk_init); + +static void __init rk3399_pmu_clk_init(struct device_node *np) +{ + struct rockchip_clk_provider *ctx; + void __iomem *reg_base; + + reg_base = of_iomap(np, 0); + if (!reg_base) { + pr_err("%s: could not map cru pmu region\n", __func__); + return; + } + + ctx = rockchip_clk_init(np, reg_base, CLKPMU_NR_CLKS); + if (IS_ERR(ctx)) { + pr_err("%s: rockchip pmu clk init failed\n", __func__); + return; + } + + rockchip_clk_register_plls(ctx, rk3399_pmu_pll_clks, + ARRAY_SIZE(rk3399_pmu_pll_clks), -1); + + rockchip_clk_register_branches(ctx, rk3399_clk_pmu_branches, + ARRAY_SIZE(rk3399_clk_pmu_branches)); + + rockchip_clk_protect_critical(rk3399_pmucru_critical_clocks, + ARRAY_SIZE(rk3399_pmucru_critical_clocks)); + + rockchip_register_softrst(np, 2, reg_base + RK3399_PMU_SOFTRST_CON(0), + ROCKCHIP_SOFTRST_HIWORD_MASK); + + rockchip_clk_of_add_provider(np, ctx); +} +CLK_OF_DECLARE(rk3399_cru_pmu, "rockchip,rk3399-pmucru", rk3399_pmu_clk_init); diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c index ec06350..7ffd134 100644 --- a/drivers/clk/rockchip/clk.c +++ b/drivers/clk/rockchip/clk.c @@ -2,6 +2,9 @@ * Copyright (c) 2014 MundoReader S.L. * Author: Heiko Stuebner <heiko@sntech.de> * + * Copyright (c) 2016 Rockchip Electronics Co. Ltd. + * Author: Xing Zheng <zhengxing@rock-chips.com> + * * based on * * samsung/clk.c @@ -39,7 +42,8 @@ * sometimes without one of those components. */ static struct clk *rockchip_clk_register_branch(const char *name, - const char *const *parent_names, u8 num_parents, void __iomem *base, + const char *const *parent_names, u8 num_parents, + void __iomem *base, int muxdiv_offset, u8 mux_shift, u8 mux_width, u8 mux_flags, u8 div_shift, u8 div_width, u8 div_flags, struct clk_div_table *div_table, int gate_offset, @@ -136,9 +140,11 @@ static int rockchip_clk_frac_notifier_cb(struct notifier_block *nb, pr_debug("%s: event %lu, old_rate %lu, new_rate: %lu\n", __func__, event, ndata->old_rate, ndata->new_rate); if (event == PRE_RATE_CHANGE) { - frac->rate_change_idx = frac->mux_ops->get_parent(&frac_mux->hw); + frac->rate_change_idx = + frac->mux_ops->get_parent(&frac_mux->hw); if (frac->rate_change_idx != frac->mux_frac_idx) { - frac->mux_ops->set_parent(&frac_mux->hw, frac->mux_frac_idx); + frac->mux_ops->set_parent(&frac_mux->hw, + frac->mux_frac_idx); frac->rate_change_remuxed = 1; } } else if (event == POST_RATE_CHANGE) { @@ -149,7 +155,8 @@ static int rockchip_clk_frac_notifier_cb(struct notifier_block *nb, * reaches the mux itself. */ if (frac->rate_change_remuxed) { - frac->mux_ops->set_parent(&frac_mux->hw, frac->rate_change_idx); + frac->mux_ops->set_parent(&frac_mux->hw, + frac->rate_change_idx); frac->rate_change_remuxed = 0; } } @@ -157,7 +164,8 @@ static int rockchip_clk_frac_notifier_cb(struct notifier_block *nb, return notifier_from_errno(ret); } -static struct clk *rockchip_clk_register_frac_branch(const char *name, +static struct clk *rockchip_clk_register_frac_branch( + struct rockchip_clk_provider *ctx, const char *name, const char *const *parent_names, u8 num_parents, void __iomem *base, int muxdiv_offset, u8 div_flags, int gate_offset, u8 gate_shift, u8 gate_flags, @@ -250,7 +258,7 @@ static struct clk *rockchip_clk_register_frac_branch(const char *name, if (IS_ERR(mux_clk)) return clk; - rockchip_clk_add_lookup(mux_clk, child->id); + rockchip_clk_add_lookup(ctx, mux_clk, child->id); /* notifier on the fraction divider to catch rate changes */ if (frac->mux_frac_idx >= 0) { @@ -314,66 +322,82 @@ static struct clk *rockchip_clk_register_factor_branch(const char *name, return clk; } -static DEFINE_SPINLOCK(clk_lock); -static struct clk **clk_table; -static void __iomem *reg_base; -static struct clk_onecell_data clk_data; -static struct device_node *cru_node; -static struct regmap *grf; - -void __init rockchip_clk_init(struct device_node *np, void __iomem *base, - unsigned long nr_clks) +struct rockchip_clk_provider * __init rockchip_clk_init(struct device_node *np, + void __iomem *base, unsigned long nr_clks) { - reg_base = base; - cru_node = np; - grf = ERR_PTR(-EPROBE_DEFER); + struct rockchip_clk_provider *ctx; + struct clk **clk_table; + int i; + + ctx = kzalloc(sizeof(struct rockchip_clk_provider), GFP_KERNEL); + if (!ctx) + return ERR_PTR(-ENOMEM); clk_table = kcalloc(nr_clks, sizeof(struct clk *), GFP_KERNEL); if (!clk_table) - pr_err("%s: could not allocate clock lookup table\n", __func__); + goto err_free; - clk_data.clks = clk_table; - clk_data.clk_num = nr_clks; - of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); + for (i = 0; i < nr_clks; ++i) + clk_table[i] = ERR_PTR(-ENOENT); + + ctx->reg_base = base; + ctx->clk_data.clks = clk_table; + ctx->clk_data.clk_num = nr_clks; + ctx->cru_node = np; + ctx->grf = ERR_PTR(-EPROBE_DEFER); + spin_lock_init(&ctx->lock); + + ctx->grf = syscon_regmap_lookup_by_phandle(ctx->cru_node, + "rockchip,grf"); + + return ctx; + +err_free: + kfree(ctx); + return ERR_PTR(-ENOMEM); } -struct regmap *rockchip_clk_get_grf(void) +void __init rockchip_clk_of_add_provider(struct device_node *np, + struct rockchip_clk_provider *ctx) { - if (IS_ERR(grf)) - grf = syscon_regmap_lookup_by_phandle(cru_node, "rockchip,grf"); - return grf; + if (of_clk_add_provider(np, of_clk_src_onecell_get, + &ctx->clk_data)) + pr_err("%s: could not register clk provider\n", __func__); } -void rockchip_clk_add_lookup(struct clk *clk, unsigned int id) +void rockchip_clk_add_lookup(struct rockchip_clk_provider *ctx, + struct clk *clk, unsigned int id) { - if (clk_table && id) - clk_table[id] = clk; + if (ctx->clk_data.clks && id) + ctx->clk_data.clks[id] = clk; } -void __init rockchip_clk_register_plls(struct rockchip_pll_clock *list, +void __init rockchip_clk_register_plls(struct rockchip_clk_provider *ctx, + struct rockchip_pll_clock *list, unsigned int nr_pll, int grf_lock_offset) { struct clk *clk; int idx; for (idx = 0; idx < nr_pll; idx++, list++) { - clk = rockchip_clk_register_pll(list->type, list->name, + clk = rockchip_clk_register_pll(ctx, list->type, list->name, list->parent_names, list->num_parents, - reg_base, list->con_offset, grf_lock_offset, + list->con_offset, grf_lock_offset, list->lock_shift, list->mode_offset, list->mode_shift, list->rate_table, - list->pll_flags, &clk_lock); + list->pll_flags); if (IS_ERR(clk)) { pr_err("%s: failed to register clock %s\n", __func__, list->name); continue; } - rockchip_clk_add_lookup(clk, list->id); + rockchip_clk_add_lookup(ctx, clk, list->id); } } void __init rockchip_clk_register_branches( + struct rockchip_clk_provider *ctx, struct rockchip_clk_branch *list, unsigned int nr_clk) { @@ -389,56 +413,59 @@ void __init rockchip_clk_register_branches( case branch_mux: clk = clk_register_mux(NULL, list->name, list->parent_names, list->num_parents, - flags, reg_base + list->muxdiv_offset, + flags, ctx->reg_base + list->muxdiv_offset, list->mux_shift, list->mux_width, - list->mux_flags, &clk_lock); + list->mux_flags, &ctx->lock); break; case branch_divider: if (list->div_table) clk = clk_register_divider_table(NULL, list->name, list->parent_names[0], - flags, reg_base + list->muxdiv_offset, + flags, + ctx->reg_base + list->muxdiv_offset, list->div_shift, list->div_width, list->div_flags, list->div_table, - &clk_lock); + &ctx->lock); else clk = clk_register_divider(NULL, list->name, list->parent_names[0], flags, - reg_base + list->muxdiv_offset, + ctx->reg_base + list->muxdiv_offset, list->div_shift, list->div_width, - list->div_flags, &clk_lock); + list->div_flags, &ctx->lock); break; case branch_fraction_divider: - clk = rockchip_clk_register_frac_branch(list->name, + clk = rockchip_clk_register_frac_branch(ctx, list->name, list->parent_names, list->num_parents, - reg_base, list->muxdiv_offset, list->div_flags, + ctx->reg_base, list->muxdiv_offset, + list->div_flags, list->gate_offset, list->gate_shift, list->gate_flags, flags, list->child, - &clk_lock); + &ctx->lock); break; case branch_gate: flags |= CLK_SET_RATE_PARENT; clk = clk_register_gate(NULL, list->name, list->parent_names[0], flags, - reg_base + list->gate_offset, - list->gate_shift, list->gate_flags, &clk_lock); + ctx->reg_base + list->gate_offset, + list->gate_shift, list->gate_flags, &ctx->lock); break; case branch_composite: clk = rockchip_clk_register_branch(list->name, list->parent_names, list->num_parents, - reg_base, list->muxdiv_offset, list->mux_shift, + ctx->reg_base, list->muxdiv_offset, + list->mux_shift, list->mux_width, list->mux_flags, list->div_shift, list->div_width, list->div_flags, list->div_table, list->gate_offset, list->gate_shift, - list->gate_flags, flags, &clk_lock); + list->gate_flags, flags, &ctx->lock); break; case branch_mmc: clk = rockchip_clk_register_mmc( list->name, list->parent_names, list->num_parents, - reg_base + list->muxdiv_offset, + ctx->reg_base + list->muxdiv_offset, list->div_shift ); break; @@ -446,16 +473,16 @@ void __init rockchip_clk_register_branches( clk = rockchip_clk_register_inverter( list->name, list->parent_names, list->num_parents, - reg_base + list->muxdiv_offset, - list->div_shift, list->div_flags, &clk_lock); + ctx->reg_base + list->muxdiv_offset, + list->div_shift, list->div_flags, &ctx->lock); break; case branch_factor: clk = rockchip_clk_register_factor_branch( list->name, list->parent_names, - list->num_parents, reg_base, + list->num_parents, ctx->reg_base, list->div_shift, list->div_width, list->gate_offset, list->gate_shift, - list->gate_flags, flags, &clk_lock); + list->gate_flags, flags, &ctx->lock); break; } @@ -472,11 +499,12 @@ void __init rockchip_clk_register_branches( continue; } - rockchip_clk_add_lookup(clk, list->id); + rockchip_clk_add_lookup(ctx, clk, list->id); } } -void __init rockchip_clk_register_armclk(unsigned int lookup_id, +void __init rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx, + unsigned int lookup_id, const char *name, const char *const *parent_names, u8 num_parents, const struct rockchip_cpuclk_reg_data *reg_data, @@ -486,15 +514,15 @@ void __init rockchip_clk_register_armclk(unsigned int lookup_id, struct clk *clk; clk = rockchip_clk_register_cpuclk(name, parent_names, num_parents, - reg_data, rates, nrates, reg_base, - &clk_lock); + reg_data, rates, nrates, + ctx->reg_base, &ctx->lock); if (IS_ERR(clk)) { pr_err("%s: failed to register clock %s: %ld\n", __func__, name, PTR_ERR(clk)); return; } - rockchip_clk_add_lookup(clk, lookup_id); + rockchip_clk_add_lookup(ctx, clk, lookup_id); } void __init rockchip_clk_protect_critical(const char *const clocks[], @@ -511,6 +539,7 @@ void __init rockchip_clk_protect_critical(const char *const clocks[], } } +static void __iomem *rst_base; static unsigned int reg_restart; static void (*cb_restart)(void); static int rockchip_restart_notify(struct notifier_block *this, @@ -519,7 +548,7 @@ static int rockchip_restart_notify(struct notifier_block *this, if (cb_restart) cb_restart(); - writel(0xfdb9, reg_base + reg_restart); + writel(0xfdb9, rst_base + reg_restart); return NOTIFY_DONE; } @@ -528,10 +557,14 @@ static struct notifier_block rockchip_restart_handler = { .priority = 128, }; -void __init rockchip_register_restart_notifier(unsigned int reg, void (*cb)(void)) +void __init +rockchip_register_restart_notifier(struct rockchip_clk_provider *ctx, + unsigned int reg, + void (*cb)(void)) { int ret; + rst_base = ctx->reg_base; reg_restart = reg; cb_restart = cb; ret = register_restart_handler(&rockchip_restart_handler); diff --git a/drivers/clk/rockchip/clk.h b/drivers/clk/rockchip/clk.h index 39c198b..2194ffa 100644 --- a/drivers/clk/rockchip/clk.h +++ b/drivers/clk/rockchip/clk.h @@ -27,13 +27,13 @@ #define CLK_ROCKCHIP_CLK_H #include <linux/io.h> +#include <linux/clk-provider.h> struct clk; #define HIWORD_UPDATE(val, mask, shift) \ ((val) << (shift) | (mask) << ((shift) + 16)) -/* register positions shared by RK2928, RK3036, RK3066, RK3188 and RK3228 */ #define RK2928_PLL_CON(x) ((x) * 0x4) #define RK2928_MODE_CON 0x40 #define RK2928_CLKSEL_CON(x) ((x) * 0x4 + 0x44) @@ -92,9 +92,30 @@ struct clk; #define RK3368_EMMC_CON0 0x418 #define RK3368_EMMC_CON1 0x41c +#define RK3399_PLL_CON(x) RK2928_PLL_CON(x) +#define RK3399_CLKSEL_CON(x) ((x) * 0x4 + 0x100) +#define RK3399_CLKGATE_CON(x) ((x) * 0x4 + 0x300) +#define RK3399_SOFTRST_CON(x) ((x) * 0x4 + 0x400) +#define RK3399_GLB_SRST_FST 0x500 +#define RK3399_GLB_SRST_SND 0x504 +#define RK3399_GLB_CNT_TH 0x508 +#define RK3399_MISC_CON 0x50c +#define RK3399_RST_CON 0x510 +#define RK3399_RST_ST 0x514 +#define RK3399_SDMMC_CON0 0x580 +#define RK3399_SDMMC_CON1 0x584 +#define RK3399_SDIO_CON0 0x588 +#define RK3399_SDIO_CON1 0x58c + +#define RK3399_PMU_PLL_CON(x) RK2928_PLL_CON(x) +#define RK3399_PMU_CLKSEL_CON(x) ((x) * 0x4 + 0x80) +#define RK3399_PMU_CLKGATE_CON(x) ((x) * 0x4 + 0x100) +#define RK3399_PMU_SOFTRST_CON(x) ((x) * 0x4 + 0x110) + enum rockchip_pll_type { pll_rk3036, pll_rk3066, + pll_rk3399, }; #define RK3036_PLL_RATE(_rate, _refdiv, _fbdiv, _postdiv1, \ @@ -127,13 +148,29 @@ enum rockchip_pll_type { .nb = _nb, \ } +/** + * struct rockchip_clk_provider - information about clock provider + * @reg_base: virtual address for the register base. + * @clk_data: holds clock related data like clk* and number of clocks. + * @cru_node: device-node of the clock-provider + * @grf: regmap of the general-register-files syscon + * @lock: maintains exclusion between callbacks for a given clock-provider. + */ +struct rockchip_clk_provider { + void __iomem *reg_base; + struct clk_onecell_data clk_data; + struct device_node *cru_node; + struct regmap *grf; + spinlock_t lock; +}; + struct rockchip_pll_rate_table { unsigned long rate; unsigned int nr; unsigned int nf; unsigned int no; unsigned int nb; - /* for RK3036 */ + /* for RK3036/RK3399 */ unsigned int fbdiv; unsigned int postdiv1; unsigned int refdiv; @@ -143,10 +180,11 @@ struct rockchip_pll_rate_table { }; /** - * struct rockchip_pll_clock: information about pll clock + * struct rockchip_pll_clock - information about pll clock * @id: platform specific id of the clock. * @name: name of this pll clock. - * @parent_name: name of the parent clock. + * @parent_names: name of the parent clock. + * @num_parents: number of parents * @flags: optional flags for basic clock. * @con_offset: offset of the register for configuring the PLL. * @mode_offset: offset of the register for configuring the PLL-mode. @@ -194,12 +232,13 @@ struct rockchip_pll_clock { .rate_table = _rtable, \ } -struct clk *rockchip_clk_register_pll(enum rockchip_pll_type pll_type, +struct clk *rockchip_clk_register_pll(struct rockchip_clk_provider *ctx, + enum rockchip_pll_type pll_type, const char *name, const char *const *parent_names, - u8 num_parents, void __iomem *base, int con_offset, - int grf_lock_offset, int lock_shift, int reg_mode, - int mode_shift, struct rockchip_pll_rate_table *rate_table, - u8 clk_pll_flags, spinlock_t *lock); + u8 num_parents, int con_offset, int grf_lock_offset, + int lock_shift, int mode_offset, int mode_shift, + struct rockchip_pll_rate_table *rate_table, + u8 clk_pll_flags); struct rockchip_cpuclk_clksel { int reg; @@ -213,18 +252,23 @@ struct rockchip_cpuclk_rate_table { }; /** - * struct rockchip_cpuclk_reg_data: describes register offsets and masks of the cpuclock + * struct rockchip_cpuclk_reg_data - register offsets and masks of the cpuclock * @core_reg: register offset of the core settings register * @div_core_shift: core divider offset used to divide the pll value * @div_core_mask: core divider mask + * @mux_core_alt: mux value to select alternate parent + * @mux_core_main: mux value to select main parent of core * @mux_core_shift: offset of the core multiplexer + * @mux_core_mask: core multiplexer mask */ struct rockchip_cpuclk_reg_data { int core_reg; u8 div_core_shift; u32 div_core_mask; - int mux_core_reg; + u8 mux_core_alt; + u8 mux_core_main; u8 mux_core_shift; + u32 mux_core_mask; }; struct clk *rockchip_clk_register_cpuclk(const char *name, @@ -428,6 +472,22 @@ struct rockchip_clk_branch { .child = ch, \ } +#define COMPOSITE_FRACMUX_NOGATE(_id, cname, pname, f, mo, df, ch) \ + { \ + .id = _id, \ + .branch_type = branch_fraction_divider, \ + .name = cname, \ + .parent_names = (const char *[]){ pname }, \ + .num_parents = 1, \ + .flags = f, \ + .muxdiv_offset = mo, \ + .div_shift = 16, \ + .div_width = 16, \ + .div_flags = df, \ + .gate_offset = -1, \ + .child = ch, \ + } + #define MUX(_id, cname, pnames, f, o, s, w, mf) \ { \ .id = _id, \ @@ -536,21 +596,27 @@ struct rockchip_clk_branch { .gate_flags = gf, \ } -void rockchip_clk_init(struct device_node *np, void __iomem *base, - unsigned long nr_clks); -struct regmap *rockchip_clk_get_grf(void); -void rockchip_clk_add_lookup(struct clk *clk, unsigned int id); -void rockchip_clk_register_branches(struct rockchip_clk_branch *clk_list, +struct rockchip_clk_provider *rockchip_clk_init(struct device_node *np, + void __iomem *base, unsigned long nr_clks); +void rockchip_clk_of_add_provider(struct device_node *np, + struct rockchip_clk_provider *ctx); +void rockchip_clk_add_lookup(struct rockchip_clk_provider *ctx, + struct clk *clk, unsigned int id); +void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx, + struct rockchip_clk_branch *list, unsigned int nr_clk); -void rockchip_clk_register_plls(struct rockchip_pll_clock *pll_list, +void rockchip_clk_register_plls(struct rockchip_clk_provider *ctx, + struct rockchip_pll_clock *pll_list, unsigned int nr_pll, int grf_lock_offset); -void rockchip_clk_register_armclk(unsigned int lookup_id, const char *name, +void rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx, + unsigned int lookup_id, const char *name, const char *const *parent_names, u8 num_parents, const struct rockchip_cpuclk_reg_data *reg_data, const struct rockchip_cpuclk_rate_table *rates, int nrates); void rockchip_clk_protect_critical(const char *const clocks[], int nclocks); -void rockchip_register_restart_notifier(unsigned int reg, void (*cb)(void)); +void rockchip_register_restart_notifier(struct rockchip_clk_provider *ctx, + unsigned int reg, void (*cb)(void)); #define ROCKCHIP_SOFTRST_HIWORD_MASK BIT(0) diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index be03ed0..92382ce 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -554,8 +554,8 @@ static struct samsung_mux_clock exynos5800_mux_clks[] __initdata = { }; static struct samsung_div_clock exynos5800_div_clks[] __initdata = { - DIV(0, "dout_aclk400_wcore", "mout_aclk400_wcore", DIV_TOP0, 16, 3), - + DIV(CLK_DOUT_ACLK400_WCORE, "dout_aclk400_wcore", + "mout_aclk400_wcore", DIV_TOP0, 16, 3), DIV(0, "dout_aclk550_cam", "mout_aclk550_cam", DIV_TOP8, 16, 3), DIV(0, "dout_aclkfl1_550_cam", "mout_aclkfl1_550_cam", @@ -607,8 +607,8 @@ static struct samsung_mux_clock exynos5420_mux_clks[] __initdata = { }; static struct samsung_div_clock exynos5420_div_clks[] __initdata = { - DIV(0, "dout_aclk400_wcore", "mout_aclk400_wcore_bpll", - DIV_TOP0, 16, 3), + DIV(CLK_DOUT_ACLK400_WCORE, "dout_aclk400_wcore", + "mout_aclk400_wcore_bpll", DIV_TOP0, 16, 3), }; static struct samsung_mux_clock exynos5x_mux_clks[] __initdata = { @@ -785,31 +785,47 @@ static struct samsung_div_clock exynos5x_div_clks[] __initdata = { DIV(0, "div_kfc", "mout_kfc", DIV_KFC0, 0, 3), DIV(0, "sclk_kpll", "mout_kpll", DIV_KFC0, 24, 3), - DIV(0, "dout_aclk400_isp", "mout_aclk400_isp", DIV_TOP0, 0, 3), - DIV(0, "dout_aclk400_mscl", "mout_aclk400_mscl", DIV_TOP0, 4, 3), - DIV(0, "dout_aclk200", "mout_aclk200", DIV_TOP0, 8, 3), - DIV(0, "dout_aclk200_fsys2", "mout_aclk200_fsys2", DIV_TOP0, 12, 3), - DIV(0, "dout_aclk100_noc", "mout_aclk100_noc", DIV_TOP0, 20, 3), - DIV(0, "dout_pclk200_fsys", "mout_pclk200_fsys", DIV_TOP0, 24, 3), - DIV(0, "dout_aclk200_fsys", "mout_aclk200_fsys", DIV_TOP0, 28, 3), - - DIV(0, "dout_aclk333_432_gscl", "mout_aclk333_432_gscl", - DIV_TOP1, 0, 3), - DIV(0, "dout_aclk333_432_isp", "mout_aclk333_432_isp", - DIV_TOP1, 4, 3), - DIV(0, "dout_aclk66", "mout_aclk66", DIV_TOP1, 8, 6), - DIV(0, "dout_aclk333_432_isp0", "mout_aclk333_432_isp0", - DIV_TOP1, 16, 3), - DIV(0, "dout_aclk266", "mout_aclk266", DIV_TOP1, 20, 3), - DIV(0, "dout_aclk166", "mout_aclk166", DIV_TOP1, 24, 3), - DIV(0, "dout_aclk333", "mout_aclk333", DIV_TOP1, 28, 3), - - DIV(0, "dout_aclk333_g2d", "mout_aclk333_g2d", DIV_TOP2, 8, 3), - DIV(0, "dout_aclk266_g2d", "mout_aclk266_g2d", DIV_TOP2, 12, 3), - DIV(0, "dout_aclk_g3d", "mout_aclk_g3d", DIV_TOP2, 16, 3), - DIV(0, "dout_aclk300_jpeg", "mout_aclk300_jpeg", DIV_TOP2, 20, 3), - DIV(0, "dout_aclk300_disp1", "mout_aclk300_disp1", DIV_TOP2, 24, 3), - DIV(0, "dout_aclk300_gscl", "mout_aclk300_gscl", DIV_TOP2, 28, 3), + DIV(CLK_DOUT_ACLK400_ISP, "dout_aclk400_isp", "mout_aclk400_isp", + DIV_TOP0, 0, 3), + DIV(CLK_DOUT_ACLK400_MSCL, "dout_aclk400_mscl", "mout_aclk400_mscl", + DIV_TOP0, 4, 3), + DIV(CLK_DOUT_ACLK200, "dout_aclk200", "mout_aclk200", + DIV_TOP0, 8, 3), + DIV(CLK_DOUT_ACLK200_FSYS2, "dout_aclk200_fsys2", "mout_aclk200_fsys2", + DIV_TOP0, 12, 3), + DIV(CLK_DOUT_ACLK100_NOC, "dout_aclk100_noc", "mout_aclk100_noc", + DIV_TOP0, 20, 3), + DIV(CLK_DOUT_PCLK200_FSYS, "dout_pclk200_fsys", "mout_pclk200_fsys", + DIV_TOP0, 24, 3), + DIV(CLK_DOUT_ACLK200_FSYS, "dout_aclk200_fsys", "mout_aclk200_fsys", + DIV_TOP0, 28, 3), + DIV(CLK_DOUT_ACLK333_432_GSCL, "dout_aclk333_432_gscl", + "mout_aclk333_432_gscl", DIV_TOP1, 0, 3), + DIV(CLK_DOUT_ACLK333_432_ISP, "dout_aclk333_432_isp", + "mout_aclk333_432_isp", DIV_TOP1, 4, 3), + DIV(CLK_DOUT_ACLK66, "dout_aclk66", "mout_aclk66", + DIV_TOP1, 8, 6), + DIV(CLK_DOUT_ACLK333_432_ISP0, "dout_aclk333_432_isp0", + "mout_aclk333_432_isp0", DIV_TOP1, 16, 3), + DIV(CLK_DOUT_ACLK266, "dout_aclk266", "mout_aclk266", + DIV_TOP1, 20, 3), + DIV(CLK_DOUT_ACLK166, "dout_aclk166", "mout_aclk166", + DIV_TOP1, 24, 3), + DIV(CLK_DOUT_ACLK333, "dout_aclk333", "mout_aclk333", + DIV_TOP1, 28, 3), + + DIV(CLK_DOUT_ACLK333_G2D, "dout_aclk333_g2d", "mout_aclk333_g2d", + DIV_TOP2, 8, 3), + DIV(CLK_DOUT_ACLK266_G2D, "dout_aclk266_g2d", "mout_aclk266_g2d", + DIV_TOP2, 12, 3), + DIV(CLK_DOUT_ACLK_G3D, "dout_aclk_g3d", "mout_aclk_g3d", DIV_TOP2, + 16, 3), + DIV(CLK_DOUT_ACLK300_JPEG, "dout_aclk300_jpeg", "mout_aclk300_jpeg", + DIV_TOP2, 20, 3), + DIV(CLK_DOUT_ACLK300_DISP1, "dout_aclk300_disp1", + "mout_aclk300_disp1", DIV_TOP2, 24, 3), + DIV(CLK_DOUT_ACLK300_GSCL, "dout_aclk300_gscl", "mout_aclk300_gscl", + DIV_TOP2, 28, 3), /* DISP1 Block */ DIV(0, "dout_fimd1", "mout_fimd1_final", DIV_DISP10, 0, 4), @@ -817,7 +833,8 @@ static struct samsung_div_clock exynos5x_div_clks[] __initdata = { DIV(0, "dout_dp1", "mout_dp1", DIV_DISP10, 24, 4), DIV(CLK_DOUT_PIXEL, "dout_hdmi_pixel", "mout_pixel", DIV_DISP10, 28, 4), DIV(0, "dout_disp1_blk", "aclk200_disp1", DIV2_RATIO0, 16, 2), - DIV(0, "dout_aclk400_disp1", "mout_aclk400_disp1", DIV_TOP2, 4, 3), + DIV(CLK_DOUT_ACLK400_DISP1, "dout_aclk400_disp1", + "mout_aclk400_disp1", DIV_TOP2, 4, 3), /* Audio Block */ DIV(0, "dout_maudio0", "mout_maudio0", DIV_MAU, 20, 4), diff --git a/drivers/clk/sirf/clk-atlas6.c b/drivers/clk/sirf/clk-atlas6.c index c5eaa9d..665fa68 100644 --- a/drivers/clk/sirf/clk-atlas6.c +++ b/drivers/clk/sirf/clk-atlas6.c @@ -130,10 +130,9 @@ static void __init atlas6_clk_init(struct device_node *np) panic("unable to map clkc registers\n"); /* These are always available (RTC and 26MHz OSC)*/ - atlas6_clks[rtc] = clk_register_fixed_rate(NULL, "rtc", NULL, - CLK_IS_ROOT, 32768); - atlas6_clks[osc] = clk_register_fixed_rate(NULL, "osc", NULL, - CLK_IS_ROOT, 26000000); + atlas6_clks[rtc] = clk_register_fixed_rate(NULL, "rtc", NULL, 0, 32768); + atlas6_clks[osc] = clk_register_fixed_rate(NULL, "osc", NULL, 0, + 26000000); for (i = pll1; i < maxclk; i++) { atlas6_clks[i] = clk_register(NULL, atlas6_clk_hw_array[i]); diff --git a/drivers/clk/sirf/clk-prima2.c b/drivers/clk/sirf/clk-prima2.c index f92c402..aac1c8ec 100644 --- a/drivers/clk/sirf/clk-prima2.c +++ b/drivers/clk/sirf/clk-prima2.c @@ -129,10 +129,9 @@ static void __init prima2_clk_init(struct device_node *np) panic("unable to map clkc registers\n"); /* These are always available (RTC and 26MHz OSC)*/ - prima2_clks[rtc] = clk_register_fixed_rate(NULL, "rtc", NULL, - CLK_IS_ROOT, 32768); - prima2_clks[osc] = clk_register_fixed_rate(NULL, "osc", NULL, - CLK_IS_ROOT, 26000000); + prima2_clks[rtc] = clk_register_fixed_rate(NULL, "rtc", NULL, 0, 32768); + prima2_clks[osc] = clk_register_fixed_rate(NULL, "osc", NULL, 0, + 26000000); for (i = pll1; i < maxclk; i++) { prima2_clks[i] = clk_register(NULL, prima2_clk_hw_array[i]); diff --git a/drivers/clk/sunxi/Makefile b/drivers/clk/sunxi/Makefile index 3fd7901..39d2044 100644 --- a/drivers/clk/sunxi/Makefile +++ b/drivers/clk/sunxi/Makefile @@ -11,6 +11,9 @@ obj-y += clk-a10-ve.o obj-y += clk-a20-gmac.o obj-y += clk-mod0.o obj-y += clk-simple-gates.o +obj-y += clk-sun4i-display.o +obj-y += clk-sun4i-pll3.o +obj-y += clk-sun4i-tcon-ch1.o obj-y += clk-sun8i-bus-gates.o obj-y += clk-sun8i-mbus.o obj-y += clk-sun9i-core.o diff --git a/drivers/clk/sunxi/clk-a10-hosc.c b/drivers/clk/sunxi/clk-a10-hosc.c index 6b598c6..dca5324 100644 --- a/drivers/clk/sunxi/clk-a10-hosc.c +++ b/drivers/clk/sunxi/clk-a10-hosc.c @@ -54,8 +54,7 @@ static void __init sun4i_osc_clk_setup(struct device_node *node) NULL, 0, NULL, NULL, &fixed->hw, &clk_fixed_rate_ops, - &gate->hw, &clk_gate_ops, - CLK_IS_ROOT); + &gate->hw, &clk_gate_ops, 0); if (IS_ERR(clk)) goto err_free_gate; diff --git a/drivers/clk/sunxi/clk-a10-mod1.c b/drivers/clk/sunxi/clk-a10-mod1.c index e9d870d..e2819fa 100644 --- a/drivers/clk/sunxi/clk-a10-mod1.c +++ b/drivers/clk/sunxi/clk-a10-mod1.c @@ -62,7 +62,7 @@ static void __init sun4i_mod1_clk_setup(struct device_node *node) clk = clk_register_composite(NULL, clk_name, parents, i, &mux->hw, &clk_mux_ops, NULL, NULL, - &gate->hw, &clk_gate_ops, 0); + &gate->hw, &clk_gate_ops, CLK_SET_RATE_PARENT); if (IS_ERR(clk)) goto err_free_gate; diff --git a/drivers/clk/sunxi/clk-sun4i-display.c b/drivers/clk/sunxi/clk-sun4i-display.c new file mode 100644 index 0000000..445a749 --- /dev/null +++ b/drivers/clk/sunxi/clk-sun4i-display.c @@ -0,0 +1,261 @@ +/* + * Copyright 2015 Maxime Ripard + * + * Maxime Ripard <maxime.ripard@free-electrons.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/clk-provider.h> +#include <linux/kernel.h> +#include <linux/of_address.h> +#include <linux/reset-controller.h> +#include <linux/slab.h> +#include <linux/spinlock.h> + +struct sun4i_a10_display_clk_data { + bool has_div; + u8 num_rst; + u8 parents; + + u8 offset_en; + u8 offset_div; + u8 offset_mux; + u8 offset_rst; + + u8 width_div; + u8 width_mux; +}; + +struct reset_data { + void __iomem *reg; + spinlock_t *lock; + struct reset_controller_dev rcdev; + u8 offset; +}; + +static DEFINE_SPINLOCK(sun4i_a10_display_lock); + +static inline struct reset_data *rcdev_to_reset_data(struct reset_controller_dev *rcdev) +{ + return container_of(rcdev, struct reset_data, rcdev); +}; + +static int sun4i_a10_display_assert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct reset_data *data = rcdev_to_reset_data(rcdev); + unsigned long flags; + u32 reg; + + spin_lock_irqsave(data->lock, flags); + + reg = readl(data->reg); + writel(reg & ~BIT(data->offset + id), data->reg); + + spin_unlock_irqrestore(data->lock, flags); + + return 0; +} + +static int sun4i_a10_display_deassert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct reset_data *data = rcdev_to_reset_data(rcdev); + unsigned long flags; + u32 reg; + + spin_lock_irqsave(data->lock, flags); + + reg = readl(data->reg); + writel(reg | BIT(data->offset + id), data->reg); + + spin_unlock_irqrestore(data->lock, flags); + + return 0; +} + +static int sun4i_a10_display_status(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct reset_data *data = rcdev_to_reset_data(rcdev); + + return !(readl(data->reg) & BIT(data->offset + id)); +} + +static const struct reset_control_ops sun4i_a10_display_reset_ops = { + .assert = sun4i_a10_display_assert, + .deassert = sun4i_a10_display_deassert, + .status = sun4i_a10_display_status, +}; + +static int sun4i_a10_display_reset_xlate(struct reset_controller_dev *rcdev, + const struct of_phandle_args *spec) +{ + /* We only have a single reset signal */ + return 0; +} + +static void __init sun4i_a10_display_init(struct device_node *node, + const struct sun4i_a10_display_clk_data *data) +{ + const char *parents[4]; + const char *clk_name = node->name; + struct reset_data *reset_data; + struct clk_divider *div = NULL; + struct clk_gate *gate; + struct resource res; + struct clk_mux *mux; + void __iomem *reg; + struct clk *clk; + int ret; + + of_property_read_string(node, "clock-output-names", &clk_name); + + reg = of_io_request_and_map(node, 0, of_node_full_name(node)); + if (IS_ERR(reg)) { + pr_err("%s: Could not map the clock registers\n", clk_name); + return; + } + + ret = of_clk_parent_fill(node, parents, data->parents); + if (ret != data->parents) { + pr_err("%s: Could not retrieve the parents\n", clk_name); + goto unmap; + } + + mux = kzalloc(sizeof(*mux), GFP_KERNEL); + if (!mux) + goto unmap; + + mux->reg = reg; + mux->shift = data->offset_mux; + mux->mask = (1 << data->width_mux) - 1; + mux->lock = &sun4i_a10_display_lock; + + gate = kzalloc(sizeof(*gate), GFP_KERNEL); + if (!gate) + goto free_mux; + + gate->reg = reg; + gate->bit_idx = data->offset_en; + gate->lock = &sun4i_a10_display_lock; + + if (data->has_div) { + div = kzalloc(sizeof(*div), GFP_KERNEL); + if (!div) + goto free_gate; + + div->reg = reg; + div->shift = data->offset_div; + div->width = data->width_div; + div->lock = &sun4i_a10_display_lock; + } + + clk = clk_register_composite(NULL, clk_name, + parents, data->parents, + &mux->hw, &clk_mux_ops, + data->has_div ? &div->hw : NULL, + data->has_div ? &clk_divider_ops : NULL, + &gate->hw, &clk_gate_ops, + 0); + if (IS_ERR(clk)) { + pr_err("%s: Couldn't register the clock\n", clk_name); + goto free_div; + } + + ret = of_clk_add_provider(node, of_clk_src_simple_get, clk); + if (ret) { + pr_err("%s: Couldn't register DT provider\n", clk_name); + goto free_clk; + } + + if (!data->num_rst) + return; + + reset_data = kzalloc(sizeof(*reset_data), GFP_KERNEL); + if (!reset_data) + goto free_of_clk; + + reset_data->reg = reg; + reset_data->offset = data->offset_rst; + reset_data->lock = &sun4i_a10_display_lock; + reset_data->rcdev.nr_resets = data->num_rst; + reset_data->rcdev.ops = &sun4i_a10_display_reset_ops; + reset_data->rcdev.of_node = node; + + if (data->num_rst == 1) { + reset_data->rcdev.of_reset_n_cells = 0; + reset_data->rcdev.of_xlate = &sun4i_a10_display_reset_xlate; + } else { + reset_data->rcdev.of_reset_n_cells = 1; + } + + if (reset_controller_register(&reset_data->rcdev)) { + pr_err("%s: Couldn't register the reset controller\n", + clk_name); + goto free_reset; + } + + return; + +free_reset: + kfree(reset_data); +free_of_clk: + of_clk_del_provider(node); +free_clk: + clk_unregister_composite(clk); +free_div: + kfree(div); +free_gate: + kfree(gate); +free_mux: + kfree(mux); +unmap: + iounmap(reg); + of_address_to_resource(node, 0, &res); + release_mem_region(res.start, resource_size(&res)); +} + +static const struct sun4i_a10_display_clk_data sun4i_a10_tcon_ch0_data __initconst = { + .num_rst = 2, + .parents = 4, + .offset_en = 31, + .offset_rst = 29, + .offset_mux = 24, + .width_mux = 2, +}; + +static void __init sun4i_a10_tcon_ch0_setup(struct device_node *node) +{ + sun4i_a10_display_init(node, &sun4i_a10_tcon_ch0_data); +} +CLK_OF_DECLARE(sun4i_a10_tcon_ch0, "allwinner,sun4i-a10-tcon-ch0-clk", + sun4i_a10_tcon_ch0_setup); + +static const struct sun4i_a10_display_clk_data sun4i_a10_display_data __initconst = { + .has_div = true, + .num_rst = 1, + .parents = 3, + .offset_en = 31, + .offset_rst = 30, + .offset_mux = 24, + .offset_div = 0, + .width_mux = 2, + .width_div = 4, +}; + +static void __init sun4i_a10_display_setup(struct device_node *node) +{ + sun4i_a10_display_init(node, &sun4i_a10_display_data); +} +CLK_OF_DECLARE(sun4i_a10_display, "allwinner,sun4i-a10-display-clk", + sun4i_a10_display_setup); diff --git a/drivers/clk/sunxi/clk-sun4i-pll3.c b/drivers/clk/sunxi/clk-sun4i-pll3.c new file mode 100644 index 0000000..f66267e --- /dev/null +++ b/drivers/clk/sunxi/clk-sun4i-pll3.c @@ -0,0 +1,98 @@ +/* + * Copyright 2015 Maxime Ripard + * + * Maxime Ripard <maxime.ripard@free-electrons.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/slab.h> +#include <linux/spinlock.h> + +#define SUN4I_A10_PLL3_GATE_BIT 31 +#define SUN4I_A10_PLL3_DIV_WIDTH 7 +#define SUN4I_A10_PLL3_DIV_SHIFT 0 + +static DEFINE_SPINLOCK(sun4i_a10_pll3_lock); + +static void __init sun4i_a10_pll3_setup(struct device_node *node) +{ + const char *clk_name = node->name, *parent; + struct clk_multiplier *mult; + struct clk_gate *gate; + struct resource res; + void __iomem *reg; + struct clk *clk; + int ret; + + of_property_read_string(node, "clock-output-names", &clk_name); + parent = of_clk_get_parent_name(node, 0); + + reg = of_io_request_and_map(node, 0, of_node_full_name(node)); + if (IS_ERR(reg)) { + pr_err("%s: Could not map the clock registers\n", clk_name); + return; + } + + gate = kzalloc(sizeof(*gate), GFP_KERNEL); + if (!gate) + goto err_unmap; + + gate->reg = reg; + gate->bit_idx = SUN4I_A10_PLL3_GATE_BIT; + gate->lock = &sun4i_a10_pll3_lock; + + mult = kzalloc(sizeof(*mult), GFP_KERNEL); + if (!mult) + goto err_free_gate; + + mult->reg = reg; + mult->shift = SUN4I_A10_PLL3_DIV_SHIFT; + mult->width = SUN4I_A10_PLL3_DIV_WIDTH; + mult->lock = &sun4i_a10_pll3_lock; + + clk = clk_register_composite(NULL, clk_name, + &parent, 1, + NULL, NULL, + &mult->hw, &clk_multiplier_ops, + &gate->hw, &clk_gate_ops, + 0); + if (IS_ERR(clk)) { + pr_err("%s: Couldn't register the clock\n", clk_name); + goto err_free_mult; + } + + ret = of_clk_add_provider(node, of_clk_src_simple_get, clk); + if (ret) { + pr_err("%s: Couldn't register DT provider\n", + clk_name); + goto err_clk_unregister; + } + + return; + +err_clk_unregister: + clk_unregister_composite(clk); +err_free_mult: + kfree(mult); +err_free_gate: + kfree(gate); +err_unmap: + iounmap(reg); + of_address_to_resource(node, 0, &res); + release_mem_region(res.start, resource_size(&res)); +} + +CLK_OF_DECLARE(sun4i_a10_pll3, "allwinner,sun4i-a10-pll3-clk", + sun4i_a10_pll3_setup); diff --git a/drivers/clk/sunxi/clk-sun4i-tcon-ch1.c b/drivers/clk/sunxi/clk-sun4i-tcon-ch1.c new file mode 100644 index 0000000..98a4582 --- /dev/null +++ b/drivers/clk/sunxi/clk-sun4i-tcon-ch1.c @@ -0,0 +1,300 @@ +/* + * Copyright 2015 Maxime Ripard + * + * Maxime Ripard <maxime.ripard@free-electrons.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/slab.h> +#include <linux/spinlock.h> + +#define TCON_CH1_SCLK2_PARENTS 4 + +#define TCON_CH1_SCLK2_GATE_BIT BIT(31) +#define TCON_CH1_SCLK2_MUX_MASK 3 +#define TCON_CH1_SCLK2_MUX_SHIFT 24 +#define TCON_CH1_SCLK2_DIV_MASK 0xf +#define TCON_CH1_SCLK2_DIV_SHIFT 0 + +#define TCON_CH1_SCLK1_GATE_BIT BIT(15) +#define TCON_CH1_SCLK1_HALF_BIT BIT(11) + +struct tcon_ch1_clk { + struct clk_hw hw; + spinlock_t lock; + void __iomem *reg; +}; + +#define hw_to_tclk(hw) container_of(hw, struct tcon_ch1_clk, hw) + +static void tcon_ch1_disable(struct clk_hw *hw) +{ + struct tcon_ch1_clk *tclk = hw_to_tclk(hw); + unsigned long flags; + u32 reg; + + spin_lock_irqsave(&tclk->lock, flags); + reg = readl(tclk->reg); + reg &= ~(TCON_CH1_SCLK2_GATE_BIT | TCON_CH1_SCLK1_GATE_BIT); + writel(reg, tclk->reg); + spin_unlock_irqrestore(&tclk->lock, flags); +} + +static int tcon_ch1_enable(struct clk_hw *hw) +{ + struct tcon_ch1_clk *tclk = hw_to_tclk(hw); + unsigned long flags; + u32 reg; + + spin_lock_irqsave(&tclk->lock, flags); + reg = readl(tclk->reg); + reg |= TCON_CH1_SCLK2_GATE_BIT | TCON_CH1_SCLK1_GATE_BIT; + writel(reg, tclk->reg); + spin_unlock_irqrestore(&tclk->lock, flags); + + return 0; +} + +static int tcon_ch1_is_enabled(struct clk_hw *hw) +{ + struct tcon_ch1_clk *tclk = hw_to_tclk(hw); + u32 reg; + + reg = readl(tclk->reg); + return reg & (TCON_CH1_SCLK2_GATE_BIT | TCON_CH1_SCLK1_GATE_BIT); +} + +static u8 tcon_ch1_get_parent(struct clk_hw *hw) +{ + struct tcon_ch1_clk *tclk = hw_to_tclk(hw); + int num_parents = clk_hw_get_num_parents(hw); + u32 reg; + + reg = readl(tclk->reg) >> TCON_CH1_SCLK2_MUX_SHIFT; + reg &= reg >> TCON_CH1_SCLK2_MUX_MASK; + + if (reg >= num_parents) + return -EINVAL; + + return reg; +} + +static int tcon_ch1_set_parent(struct clk_hw *hw, u8 index) +{ + struct tcon_ch1_clk *tclk = hw_to_tclk(hw); + unsigned long flags; + u32 reg; + + spin_lock_irqsave(&tclk->lock, flags); + reg = readl(tclk->reg); + reg &= ~(TCON_CH1_SCLK2_MUX_MASK << TCON_CH1_SCLK2_MUX_SHIFT); + reg |= index << TCON_CH1_SCLK2_MUX_SHIFT; + writel(reg, tclk->reg); + spin_unlock_irqrestore(&tclk->lock, flags); + + return 0; +}; + +static unsigned long tcon_ch1_calc_divider(unsigned long rate, + unsigned long parent_rate, + u8 *div, + bool *half) +{ + unsigned long best_rate = 0; + u8 best_m = 0, m; + bool is_double; + + for (m = 1; m < 16; m++) { + u8 d; + + for (d = 1; d < 3; d++) { + unsigned long tmp_rate; + + tmp_rate = parent_rate / m / d; + + if (tmp_rate > rate) + continue; + + if (!best_rate || + (rate - tmp_rate) < (rate - best_rate)) { + best_rate = tmp_rate; + best_m = m; + is_double = d; + } + } + } + + if (div && half) { + *div = best_m; + *half = is_double; + } + + return best_rate; +} + +static int tcon_ch1_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + long best_rate = -EINVAL; + int i; + + for (i = 0; i < clk_hw_get_num_parents(hw); i++) { + unsigned long parent_rate; + unsigned long tmp_rate; + struct clk_hw *parent; + + parent = clk_hw_get_parent_by_index(hw, i); + if (!parent) + continue; + + parent_rate = clk_hw_get_rate(parent); + + tmp_rate = tcon_ch1_calc_divider(req->rate, parent_rate, + NULL, NULL); + + if (best_rate < 0 || + (req->rate - tmp_rate) < (req->rate - best_rate)) { + best_rate = tmp_rate; + req->best_parent_rate = parent_rate; + req->best_parent_hw = parent; + } + } + + if (best_rate < 0) + return best_rate; + + req->rate = best_rate; + return 0; +} + +static unsigned long tcon_ch1_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct tcon_ch1_clk *tclk = hw_to_tclk(hw); + u32 reg; + + reg = readl(tclk->reg); + + parent_rate /= (reg & TCON_CH1_SCLK2_DIV_MASK) + 1; + + if (reg & TCON_CH1_SCLK1_HALF_BIT) + parent_rate /= 2; + + return parent_rate; +} + +static int tcon_ch1_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct tcon_ch1_clk *tclk = hw_to_tclk(hw); + unsigned long flags; + bool half; + u8 div_m; + u32 reg; + + tcon_ch1_calc_divider(rate, parent_rate, &div_m, &half); + + spin_lock_irqsave(&tclk->lock, flags); + reg = readl(tclk->reg); + reg &= ~(TCON_CH1_SCLK2_DIV_MASK | TCON_CH1_SCLK1_HALF_BIT); + reg |= (div_m - 1) & TCON_CH1_SCLK2_DIV_MASK; + + if (half) + reg |= TCON_CH1_SCLK1_HALF_BIT; + + writel(reg, tclk->reg); + spin_unlock_irqrestore(&tclk->lock, flags); + + return 0; +} + +static const struct clk_ops tcon_ch1_ops = { + .disable = tcon_ch1_disable, + .enable = tcon_ch1_enable, + .is_enabled = tcon_ch1_is_enabled, + + .get_parent = tcon_ch1_get_parent, + .set_parent = tcon_ch1_set_parent, + + .determine_rate = tcon_ch1_determine_rate, + .recalc_rate = tcon_ch1_recalc_rate, + .set_rate = tcon_ch1_set_rate, +}; + +static void __init tcon_ch1_setup(struct device_node *node) +{ + const char *parents[TCON_CH1_SCLK2_PARENTS]; + const char *clk_name = node->name; + struct clk_init_data init; + struct tcon_ch1_clk *tclk; + struct resource res; + struct clk *clk; + void __iomem *reg; + int ret; + + of_property_read_string(node, "clock-output-names", &clk_name); + + reg = of_io_request_and_map(node, 0, of_node_full_name(node)); + if (IS_ERR(reg)) { + pr_err("%s: Could not map the clock registers\n", clk_name); + return; + } + + ret = of_clk_parent_fill(node, parents, TCON_CH1_SCLK2_PARENTS); + if (ret != TCON_CH1_SCLK2_PARENTS) { + pr_err("%s Could not retrieve the parents\n", clk_name); + goto err_unmap; + } + + tclk = kzalloc(sizeof(*tclk), GFP_KERNEL); + if (!tclk) + goto err_unmap; + + init.name = clk_name; + init.ops = &tcon_ch1_ops; + init.parent_names = parents; + init.num_parents = TCON_CH1_SCLK2_PARENTS; + init.flags = CLK_SET_RATE_PARENT; + + tclk->reg = reg; + tclk->hw.init = &init; + spin_lock_init(&tclk->lock); + + clk = clk_register(NULL, &tclk->hw); + if (IS_ERR(clk)) { + pr_err("%s: Couldn't register the clock\n", clk_name); + goto err_free_data; + } + + ret = of_clk_add_provider(node, of_clk_src_simple_get, clk); + if (ret) { + pr_err("%s: Couldn't register our clock provider\n", clk_name); + goto err_unregister_clk; + } + + return; + +err_unregister_clk: + clk_unregister(clk); +err_free_data: + kfree(tclk); +err_unmap: + iounmap(reg); + of_address_to_resource(node, 0, &res); + release_mem_region(res.start, resource_size(&res)); +} + +CLK_OF_DECLARE(tcon_ch1, "allwinner,sun4i-a10-tcon-ch1-clk", + tcon_ch1_setup); diff --git a/drivers/clk/sunxi/clk-sun9i-mmc.c b/drivers/clk/sunxi/clk-sun9i-mmc.c index 028dd83..7167373 100644 --- a/drivers/clk/sunxi/clk-sun9i-mmc.c +++ b/drivers/clk/sunxi/clk-sun9i-mmc.c @@ -106,7 +106,7 @@ static int sun9i_a80_mmc_config_clk_probe(struct platform_device *pdev) r = platform_get_resource(pdev, IORESOURCE_MEM, 0); /* one clock/reset pair per word */ - count = DIV_ROUND_UP((r->end - r->start + 1), SUN9I_MMC_WIDTH); + count = DIV_ROUND_UP((resource_size(r)), SUN9I_MMC_WIDTH); data->membase = devm_ioremap_resource(&pdev->dev, r); if (IS_ERR(data->membase)) return PTR_ERR(data->membase); diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c index 91de0a0..838b22a 100644 --- a/drivers/clk/sunxi/clk-sunxi.c +++ b/drivers/clk/sunxi/clk-sunxi.c @@ -523,21 +523,12 @@ static const struct factors_data sun4i_pll5_data __initconst = { .enable = 31, .table = &sun4i_pll5_config, .getter = sun4i_get_pll5_factors, - .name = "pll5", -}; - -static const struct factors_data sun4i_pll6_data __initconst = { - .enable = 31, - .table = &sun4i_pll5_config, - .getter = sun4i_get_pll5_factors, - .name = "pll6", }; static const struct factors_data sun6i_a31_pll6_data __initconst = { .enable = 31, .table = &sun6i_a31_pll6_config, .getter = sun6i_a31_get_pll6_factors, - .name = "pll6x2", }; static const struct factors_data sun5i_a13_ahb_data __initconst = { @@ -933,7 +924,7 @@ static const struct divs_data pll5_divs_data __initconst = { }; static const struct divs_data pll6_divs_data __initconst = { - .factors = &sun4i_pll6_data, + .factors = &sun4i_pll5_data, .ndivs = 4, .div = { { .shift = 0, .table = pll6_sata_tbl, .gate = 14 }, /* M, SATA */ @@ -975,6 +966,8 @@ static struct clk ** __init sunxi_divs_clk_setup(struct device_node *node, struct clk_gate *gate = NULL; struct clk_fixed_factor *fix_factor; struct clk_divider *divider; + struct factors_data factors = *data->factors; + char *derived_name = NULL; void __iomem *reg; int ndivs = SUNXI_DIVS_MAX_QTY, i = 0; int flags, clkflags; @@ -983,11 +976,37 @@ static struct clk ** __init sunxi_divs_clk_setup(struct device_node *node, if (data->ndivs) ndivs = data->ndivs; + /* Try to find a name for base factor clock */ + for (i = 0; i < ndivs; i++) { + if (data->div[i].self) { + of_property_read_string_index(node, "clock-output-names", + i, &factors.name); + break; + } + } + /* If we don't have a .self clk use the first output-name up to '_' */ + if (factors.name == NULL) { + char *endp; + + of_property_read_string_index(node, "clock-output-names", + 0, &clk_name); + endp = strchr(clk_name, '_'); + if (endp) { + derived_name = kstrndup(clk_name, endp - clk_name, + GFP_KERNEL); + factors.name = derived_name; + } else { + factors.name = clk_name; + } + } + /* Set up factor clock that we will be dividing */ - pclk = sunxi_factors_clk_setup(node, data->factors); + pclk = sunxi_factors_clk_setup(node, &factors); if (!pclk) return NULL; + parent = __clk_get_name(pclk); + kfree(derived_name); reg = of_iomap(node, 0); if (!reg) { @@ -1127,3 +1146,41 @@ static void __init sun6i_pll6_clk_setup(struct device_node *node) } CLK_OF_DECLARE(sun6i_pll6, "allwinner,sun6i-a31-pll6-clk", sun6i_pll6_clk_setup); + +/* + * sun6i display + * + * rate = parent_rate / (m + 1); + */ +static void sun6i_display_factors(struct factors_request *req) +{ + u8 m; + + if (req->rate > req->parent_rate) + req->rate = req->parent_rate; + + m = DIV_ROUND_UP(req->parent_rate, req->rate); + + req->rate = req->parent_rate / m; + req->m = m - 1; +} + +static const struct clk_factors_config sun6i_display_config = { + .mshift = 0, + .mwidth = 4, +}; + +static const struct factors_data sun6i_display_data __initconst = { + .enable = 31, + .mux = 24, + .muxmask = BIT(2) | BIT(1) | BIT(0), + .table = &sun6i_display_config, + .getter = sun6i_display_factors, +}; + +static void __init sun6i_display_setup(struct device_node *node) +{ + sunxi_factors_clk_setup(node, &sun6i_display_data); +} +CLK_OF_DECLARE(sun6i_display, "allwinner,sun6i-a31-display-clk", + sun6i_display_setup); diff --git a/drivers/clk/tegra/Makefile b/drivers/clk/tegra/Makefile index 97984c5..33fd093 100644 --- a/drivers/clk/tegra/Makefile +++ b/drivers/clk/tegra/Makefile @@ -3,6 +3,7 @@ obj-y += clk-audio-sync.o obj-y += clk-dfll.o obj-y += clk-divider.o obj-y += clk-periph.o +obj-y += clk-periph-fixed.o obj-y += clk-periph-gate.o obj-y += clk-pll.o obj-y += clk-pll-out.o diff --git a/drivers/clk/tegra/clk-dfll.c b/drivers/clk/tegra/clk-dfll.c index 19bfa07..f010562 100644 --- a/drivers/clk/tegra/clk-dfll.c +++ b/drivers/clk/tegra/clk-dfll.c @@ -55,6 +55,7 @@ #include <linux/seq_file.h> #include "clk-dfll.h" +#include "cvb.h" /* * DFLL control registers - access via dfll_{readl,writel} @@ -442,8 +443,8 @@ static void dfll_tune_low(struct tegra_dfll *td) { td->tune_range = DFLL_TUNE_LOW; - dfll_writel(td, td->soc->tune0_low, DFLL_TUNE0); - dfll_writel(td, td->soc->tune1, DFLL_TUNE1); + dfll_writel(td, td->soc->cvb->cpu_dfll_data.tune0_low, DFLL_TUNE0); + dfll_writel(td, td->soc->cvb->cpu_dfll_data.tune1, DFLL_TUNE1); dfll_wmb(td); if (td->soc->set_clock_trimmers_low) @@ -1449,7 +1450,7 @@ static int dfll_build_i2c_lut(struct tegra_dfll *td) } v_max = dev_pm_opp_get_voltage(opp); - v = td->soc->min_millivolts * 1000; + v = td->soc->cvb->min_millivolts * 1000; lut = find_vdd_map_entry_exact(td, v); if (lut < 0) goto out; @@ -1461,7 +1462,7 @@ static int dfll_build_i2c_lut(struct tegra_dfll *td) break; v_opp = dev_pm_opp_get_voltage(opp); - if (v_opp <= td->soc->min_millivolts * 1000) + if (v_opp <= td->soc->cvb->min_millivolts * 1000) td->dvco_rate_min = dev_pm_opp_get_freq(opp); for (;;) { @@ -1490,7 +1491,7 @@ static int dfll_build_i2c_lut(struct tegra_dfll *td) if (!td->dvco_rate_min) dev_err(td->dev, "no opp above DFLL minimum voltage %d mV\n", - td->soc->min_millivolts); + td->soc->cvb->min_millivolts); else ret = 0; diff --git a/drivers/clk/tegra/clk-dfll.h b/drivers/clk/tegra/clk-dfll.h index 2e4c077..ed2ad88 100644 --- a/drivers/clk/tegra/clk-dfll.h +++ b/drivers/clk/tegra/clk-dfll.h @@ -24,22 +24,18 @@ /** * struct tegra_dfll_soc_data - SoC-specific hooks/integration for the DFLL driver - * @opp_dev: struct device * that holds the OPP table for the DFLL - * @min_millivolts: minimum voltage (in mV) that the DFLL can operate - * @tune0_low: DFLL tuning register 0 (low voltage range) - * @tune0_high: DFLL tuning register 0 (high voltage range) - * @tune1: DFLL tuning register 1 - * @assert_dvco_reset: fn ptr to place the DVCO in reset - * @deassert_dvco_reset: fn ptr to release the DVCO reset - * @set_clock_trimmers_high: fn ptr to tune clock trimmers for high voltage - * @set_clock_trimmers_low: fn ptr to tune clock trimmers for low voltage + * @dev: struct device * that holds the OPP table for the DFLL + * @max_freq: maximum frequency supported on this SoC + * @cvb: CPU frequency table for this SoC + * @init_clock_trimmers: callback to initialize clock trimmers + * @set_clock_trimmers_high: callback to tune clock trimmers for high voltage + * @set_clock_trimmers_low: callback to tune clock trimmers for low voltage */ struct tegra_dfll_soc_data { struct device *dev; - unsigned int min_millivolts; - u32 tune0_low; - u32 tune0_high; - u32 tune1; + unsigned long max_freq; + const struct cvb_table *cvb; + void (*init_clock_trimmers)(void); void (*set_clock_trimmers_high)(void); void (*set_clock_trimmers_low)(void); diff --git a/drivers/clk/tegra/clk-id.h b/drivers/clk/tegra/clk-id.h index 62ea381..36c9749 100644 --- a/drivers/clk/tegra/clk-id.h +++ b/drivers/clk/tegra/clk-id.h @@ -71,6 +71,7 @@ enum clk_id { tegra_clk_disp2_8, tegra_clk_dp2, tegra_clk_dpaux, + tegra_clk_dpaux1, tegra_clk_dsialp, tegra_clk_dsia_mux, tegra_clk_dsiblp, @@ -306,6 +307,7 @@ enum clk_id { tegra_clk_xusb_ss_div2, tegra_clk_xusb_ssp_src, tegra_clk_sclk_mux, + tegra_clk_sor_safe, tegra_clk_max, }; diff --git a/drivers/clk/tegra/clk-periph-fixed.c b/drivers/clk/tegra/clk-periph-fixed.c new file mode 100644 index 0000000..c57dfb0 --- /dev/null +++ b/drivers/clk/tegra/clk-periph-fixed.c @@ -0,0 +1,120 @@ +/* + * Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/clk-provider.h> + +#include "clk.h" + +static inline struct tegra_clk_periph_fixed * +to_tegra_clk_periph_fixed(struct clk_hw *hw) +{ + return container_of(hw, struct tegra_clk_periph_fixed, hw); +} + +static int tegra_clk_periph_fixed_is_enabled(struct clk_hw *hw) +{ + struct tegra_clk_periph_fixed *fixed = to_tegra_clk_periph_fixed(hw); + u32 mask = 1 << (fixed->num % 32), value; + + value = readl(fixed->base + fixed->regs->enb_reg); + if (value & mask) { + value = readl(fixed->base + fixed->regs->rst_reg); + if ((value & mask) == 0) + return 1; + } + + return 0; +} + +static int tegra_clk_periph_fixed_enable(struct clk_hw *hw) +{ + struct tegra_clk_periph_fixed *fixed = to_tegra_clk_periph_fixed(hw); + u32 mask = 1 << (fixed->num % 32); + + writel(mask, fixed->base + fixed->regs->enb_set_reg); + + return 0; +} + +static void tegra_clk_periph_fixed_disable(struct clk_hw *hw) +{ + struct tegra_clk_periph_fixed *fixed = to_tegra_clk_periph_fixed(hw); + u32 mask = 1 << (fixed->num % 32); + + writel(mask, fixed->base + fixed->regs->enb_clr_reg); +} + +static unsigned long +tegra_clk_periph_fixed_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct tegra_clk_periph_fixed *fixed = to_tegra_clk_periph_fixed(hw); + unsigned long long rate; + + rate = (unsigned long long)parent_rate * fixed->mul; + do_div(rate, fixed->div); + + return (unsigned long)rate; +} + +static const struct clk_ops tegra_clk_periph_fixed_ops = { + .is_enabled = tegra_clk_periph_fixed_is_enabled, + .enable = tegra_clk_periph_fixed_enable, + .disable = tegra_clk_periph_fixed_disable, + .recalc_rate = tegra_clk_periph_fixed_recalc_rate, +}; + +struct clk *tegra_clk_register_periph_fixed(const char *name, + const char *parent, + unsigned long flags, + void __iomem *base, + unsigned int mul, + unsigned int div, + unsigned int num) +{ + const struct tegra_clk_periph_regs *regs; + struct tegra_clk_periph_fixed *fixed; + struct clk_init_data init; + struct clk *clk; + + regs = get_reg_bank(num); + if (!regs) + return ERR_PTR(-EINVAL); + + fixed = kzalloc(sizeof(*fixed), GFP_KERNEL); + if (!fixed) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.flags = flags; + init.parent_names = parent ? &parent : NULL; + init.num_parents = parent ? 1 : 0; + init.ops = &tegra_clk_periph_fixed_ops; + + fixed->base = base; + fixed->regs = regs; + fixed->mul = mul; + fixed->div = div; + fixed->num = num; + + fixed->hw.init = &init; + + clk = clk_register(NULL, &fixed->hw); + if (IS_ERR(clk)) + kfree(fixed); + + return clk; +} diff --git a/drivers/clk/tegra/clk-periph-gate.c b/drivers/clk/tegra/clk-periph-gate.c index d28d6e9..8812782 100644 --- a/drivers/clk/tegra/clk-periph-gate.c +++ b/drivers/clk/tegra/clk-periph-gate.c @@ -134,7 +134,7 @@ struct clk *tegra_clk_register_periph_gate(const char *name, struct tegra_clk_periph_gate *gate; struct clk *clk; struct clk_init_data init; - struct tegra_clk_periph_regs *pregs; + const struct tegra_clk_periph_regs *pregs; pregs = get_reg_bank(clk_num); if (!pregs) diff --git a/drivers/clk/tegra/clk-periph.c b/drivers/clk/tegra/clk-periph.c index ec5b611..a17ca6d 100644 --- a/drivers/clk/tegra/clk-periph.c +++ b/drivers/clk/tegra/clk-periph.c @@ -145,7 +145,7 @@ static struct clk *_tegra_clk_register_periph(const char *name, { struct clk *clk; struct clk_init_data init; - struct tegra_clk_periph_regs *bank; + const struct tegra_clk_periph_regs *bank; bool div = !(periph->gate.flags & TEGRA_PERIPH_NO_DIV); if (periph->gate.flags & TEGRA_PERIPH_NO_DIV) { diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c index 6ac3f84..4e194ec 100644 --- a/drivers/clk/tegra/clk-pll.c +++ b/drivers/clk/tegra/clk-pll.c @@ -2013,6 +2013,52 @@ struct clk *tegra_clk_register_pllss(const char *name, const char *parent_name, #endif #if defined(CONFIG_ARCH_TEGRA_210_SOC) +struct clk *tegra_clk_register_pllre_tegra210(const char *name, + const char *parent_name, void __iomem *clk_base, + void __iomem *pmc, unsigned long flags, + struct tegra_clk_pll_params *pll_params, + spinlock_t *lock, unsigned long parent_rate) +{ + u32 val; + struct tegra_clk_pll *pll; + struct clk *clk; + + pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate); + + if (pll_params->adjust_vco) + pll_params->vco_min = pll_params->adjust_vco(pll_params, + parent_rate); + + pll = _tegra_init_pll(clk_base, pmc, pll_params, lock); + if (IS_ERR(pll)) + return ERR_CAST(pll); + + /* program minimum rate by default */ + + val = pll_readl_base(pll); + if (val & PLL_BASE_ENABLE) + WARN_ON(readl_relaxed(clk_base + pll_params->iddq_reg) & + BIT(pll_params->iddq_bit_idx)); + else { + val = 0x4 << divm_shift(pll); + val |= 0x41 << divn_shift(pll); + pll_writel_base(val, pll); + } + + /* disable lock override */ + + val = pll_readl_misc(pll); + val &= ~BIT(29); + pll_writel_misc(val, pll); + + clk = _tegra_clk_register_pll(pll, name, parent_name, flags, + &tegra_clk_pllre_ops); + if (IS_ERR(clk)) + kfree(pll); + + return clk; +} + static int clk_plle_tegra210_enable(struct clk_hw *hw) { struct tegra_clk_pll *pll = to_clk_pll(hw); diff --git a/drivers/clk/tegra/clk-tegra-fixed.c b/drivers/clk/tegra/clk-tegra-fixed.c index d64ec7a..91c38f1 100644 --- a/drivers/clk/tegra/clk-tegra-fixed.c +++ b/drivers/clk/tegra/clk-tegra-fixed.c @@ -107,4 +107,3 @@ void __init tegra_fixed_clk_init(struct tegra_clk *tegra_clks) *dt_clk = clk; } } - diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c index ea2b9cbf..29d04c6 100644 --- a/drivers/clk/tegra/clk-tegra-periph.c +++ b/drivers/clk/tegra/clk-tegra-periph.c @@ -803,7 +803,7 @@ static struct tegra_periph_init_data gate_clks[] = { GATE("hda2hdmi", "clk_m", 128, TEGRA_PERIPH_ON_APB, tegra_clk_hda2hdmi, 0), GATE("bsea", "clk_m", 62, 0, tegra_clk_bsea, 0), GATE("bsev", "clk_m", 63, 0, tegra_clk_bsev, 0), - GATE("mipi-cal", "clk_m", 56, 0, tegra_clk_mipi_cal, 0), + GATE("mipi-cal", "clk72mhz", 56, 0, tegra_clk_mipi_cal, 0), GATE("usbd", "clk_m", 22, 0, tegra_clk_usbd, 0), GATE("usb2", "clk_m", 58, 0, tegra_clk_usb2, 0), GATE("usb3", "clk_m", 59, 0, tegra_clk_usb3, 0), @@ -821,7 +821,6 @@ static struct tegra_periph_init_data gate_clks[] = { GATE("ispb", "clk_m", 3, 0, tegra_clk_ispb, 0), GATE("vim2_clk", "clk_m", 11, 0, tegra_clk_vim2_clk, 0), GATE("pcie", "clk_m", 70, 0, tegra_clk_pcie, 0), - GATE("dpaux", "clk_m", 181, 0, tegra_clk_dpaux, 0), GATE("gpu", "pll_ref", 184, 0, tegra_clk_gpu, 0), GATE("pllg_ref", "pll_ref", 189, 0, tegra_clk_pll_g_ref, 0), GATE("hsic_trk", "usb2_hsic_trk", 209, TEGRA_PERIPH_NO_RESET, tegra_clk_hsic_trk, 0), @@ -877,7 +876,7 @@ static void __init periph_clk_init(void __iomem *clk_base, struct clk **dt_clk; for (i = 0; i < ARRAY_SIZE(periph_clks); i++) { - struct tegra_clk_periph_regs *bank; + const struct tegra_clk_periph_regs *bank; struct tegra_periph_init_data *data; data = periph_clks + i; diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c index df47ec3..b78054f 100644 --- a/drivers/clk/tegra/clk-tegra114.c +++ b/drivers/clk/tegra/clk-tegra114.c @@ -743,7 +743,6 @@ static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = { [tegra_clk_csi] = { .dt_id = TEGRA114_CLK_CSI, .present = true }, [tegra_clk_i2c2] = { .dt_id = TEGRA114_CLK_I2C2, .present = true }, [tegra_clk_uartc] = { .dt_id = TEGRA114_CLK_UARTC, .present = true }, - [tegra_clk_mipi_cal] = { .dt_id = TEGRA114_CLK_MIPI_CAL, .present = true }, [tegra_clk_emc] = { .dt_id = TEGRA114_CLK_EMC, .present = true }, [tegra_clk_usb2] = { .dt_id = TEGRA114_CLK_USB2, .present = true }, [tegra_clk_usb3] = { .dt_id = TEGRA114_CLK_USB3, .present = true }, @@ -1237,6 +1236,11 @@ static __init void tegra114_periph_clk_init(void __iomem *clk_base, &emc_lock); clks[TEGRA114_CLK_MC] = clk; + clk = tegra_clk_register_periph_gate("mipi-cal", "clk_m", 0, clk_base, + CLK_SET_RATE_PARENT, 56, + periph_clk_enb_refcnt); + clks[TEGRA114_CLK_MIPI_CAL] = clk; + for (i = 0; i < ARRAY_SIZE(tegra_periph_clk_list); i++) { data = &tegra_periph_clk_list[i]; clk = tegra_clk_register_periph(data->name, diff --git a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c index 6125333..c205809 100644 --- a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c +++ b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c @@ -47,32 +47,32 @@ static const struct cvb_table tegra124_cpu_cvb_tables[] = { }, .speedo_scale = 100, .voltage_scale = 1000, - .cvb_table = { - {204000000UL, {1112619, -29295, 402} }, - {306000000UL, {1150460, -30585, 402} }, - {408000000UL, {1190122, -31865, 402} }, - {510000000UL, {1231606, -33155, 402} }, - {612000000UL, {1274912, -34435, 402} }, - {714000000UL, {1320040, -35725, 402} }, - {816000000UL, {1366990, -37005, 402} }, - {918000000UL, {1415762, -38295, 402} }, - {1020000000UL, {1466355, -39575, 402} }, - {1122000000UL, {1518771, -40865, 402} }, - {1224000000UL, {1573009, -42145, 402} }, - {1326000000UL, {1629068, -43435, 402} }, - {1428000000UL, {1686950, -44715, 402} }, - {1530000000UL, {1746653, -46005, 402} }, - {1632000000UL, {1808179, -47285, 402} }, - {1734000000UL, {1871526, -48575, 402} }, - {1836000000UL, {1936696, -49855, 402} }, - {1938000000UL, {2003687, -51145, 402} }, - {2014500000UL, {2054787, -52095, 402} }, - {2116500000UL, {2124957, -53385, 402} }, - {2218500000UL, {2196950, -54665, 402} }, - {2320500000UL, {2270765, -55955, 402} }, - {2422500000UL, {2346401, -57235, 402} }, - {2524500000UL, {2437299, -58535, 402} }, - {0, { 0, 0, 0} }, + .entries = { + { 204000000UL, { 1112619, -29295, 402 } }, + { 306000000UL, { 1150460, -30585, 402 } }, + { 408000000UL, { 1190122, -31865, 402 } }, + { 510000000UL, { 1231606, -33155, 402 } }, + { 612000000UL, { 1274912, -34435, 402 } }, + { 714000000UL, { 1320040, -35725, 402 } }, + { 816000000UL, { 1366990, -37005, 402 } }, + { 918000000UL, { 1415762, -38295, 402 } }, + { 1020000000UL, { 1466355, -39575, 402 } }, + { 1122000000UL, { 1518771, -40865, 402 } }, + { 1224000000UL, { 1573009, -42145, 402 } }, + { 1326000000UL, { 1629068, -43435, 402 } }, + { 1428000000UL, { 1686950, -44715, 402 } }, + { 1530000000UL, { 1746653, -46005, 402 } }, + { 1632000000UL, { 1808179, -47285, 402 } }, + { 1734000000UL, { 1871526, -48575, 402 } }, + { 1836000000UL, { 1936696, -49855, 402 } }, + { 1938000000UL, { 2003687, -51145, 402 } }, + { 2014500000UL, { 2054787, -52095, 402 } }, + { 2116500000UL, { 2124957, -53385, 402 } }, + { 2218500000UL, { 2196950, -54665, 402 } }, + { 2320500000UL, { 2270765, -55955, 402 } }, + { 2422500000UL, { 2346401, -57235, 402 } }, + { 2524500000UL, { 2437299, -58535, 402 } }, + { 0UL, { 0, 0, 0 } }, }, .cpu_dfll_data = { .tune0_low = 0x005020ff, @@ -84,9 +84,8 @@ static const struct cvb_table tegra124_cpu_cvb_tables[] = { static int tegra124_dfll_fcpu_probe(struct platform_device *pdev) { - int process_id, speedo_id, speedo_value; + int process_id, speedo_id, speedo_value, err; struct tegra_dfll_soc_data *soc; - const struct cvb_table *cvb; process_id = tegra_sku_info.cpu_process_id; speedo_id = tegra_sku_info.cpu_speedo_id; @@ -108,23 +107,41 @@ static int tegra124_dfll_fcpu_probe(struct platform_device *pdev) return -ENODEV; } - cvb = tegra_cvb_build_opp_table(tegra124_cpu_cvb_tables, - ARRAY_SIZE(tegra124_cpu_cvb_tables), - process_id, speedo_id, speedo_value, - cpu_max_freq_table[speedo_id], - soc->dev); - if (IS_ERR(cvb)) { - dev_err(&pdev->dev, "couldn't build OPP table: %ld\n", - PTR_ERR(cvb)); - return PTR_ERR(cvb); + soc->max_freq = cpu_max_freq_table[speedo_id]; + + soc->cvb = tegra_cvb_add_opp_table(soc->dev, tegra124_cpu_cvb_tables, + ARRAY_SIZE(tegra124_cpu_cvb_tables), + process_id, speedo_id, speedo_value, + soc->max_freq); + if (IS_ERR(soc->cvb)) { + dev_err(&pdev->dev, "couldn't add OPP table: %ld\n", + PTR_ERR(soc->cvb)); + return PTR_ERR(soc->cvb); + } + + err = tegra_dfll_register(pdev, soc); + if (err < 0) { + tegra_cvb_remove_opp_table(soc->dev, soc->cvb, soc->max_freq); + return err; } - soc->min_millivolts = cvb->min_millivolts; - soc->tune0_low = cvb->cpu_dfll_data.tune0_low; - soc->tune0_high = cvb->cpu_dfll_data.tune0_high; - soc->tune1 = cvb->cpu_dfll_data.tune1; + platform_set_drvdata(pdev, soc); + + return 0; +} + +static int tegra124_dfll_fcpu_remove(struct platform_device *pdev) +{ + struct tegra_dfll_soc_data *soc = platform_get_drvdata(pdev); + int err; + + err = tegra_dfll_unregister(pdev); + if (err < 0) + dev_err(&pdev->dev, "failed to unregister DFLL: %d\n", err); + + tegra_cvb_remove_opp_table(soc->dev, soc->cvb, soc->max_freq); - return tegra_dfll_register(pdev, soc); + return 0; } static const struct of_device_id tegra124_dfll_fcpu_of_match[] = { @@ -140,7 +157,7 @@ static const struct dev_pm_ops tegra124_dfll_pm_ops = { static struct platform_driver tegra124_dfll_fcpu_driver = { .probe = tegra124_dfll_fcpu_probe, - .remove = tegra_dfll_unregister, + .remove = tegra124_dfll_fcpu_remove, .driver = { .name = "tegra124-dfll", .of_match_table = tegra124_dfll_fcpu_of_match, diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c index 1627258..f4fbbf1 100644 --- a/drivers/clk/tegra/clk-tegra124.c +++ b/drivers/clk/tegra/clk-tegra124.c @@ -1155,6 +1155,10 @@ static __init void tegra124_periph_clk_init(void __iomem *clk_base, 1, 2); clks[TEGRA124_CLK_XUSB_SS_DIV2] = clk; + clk = tegra_clk_register_periph_fixed("dpaux", "pll_p", 0, clk_base, + 1, 17, 181); + clks[TEGRA124_CLK_DPAUX] = clk; + clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0, clk_base + PLLD_MISC, 30, 0, &pll_d_lock); clks[TEGRA124_CLK_PLL_D_DSI_OUT] = clk; diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c index 3d0edee..b855181 100644 --- a/drivers/clk/tegra/clk-tegra210.c +++ b/drivers/clk/tegra/clk-tegra210.c @@ -92,6 +92,7 @@ #define PLLE_AUX 0x48c #define PLLRE_BASE 0x4c4 #define PLLRE_MISC0 0x4c8 +#define PLLRE_OUT1 0x4cc #define PLLDP_BASE 0x590 #define PLLDP_MISC 0x594 @@ -2150,6 +2151,7 @@ static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = { [tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true }, [tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true }, [tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true }, + [tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true }, [tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true }, [tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true }, [tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true }, @@ -2461,6 +2463,18 @@ static __init void tegra210_periph_clk_init(void __iomem *clk_base, 1, 2); clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk; + clk = tegra_clk_register_periph_fixed("dpaux", "pll_p", 0, clk_base, + 1, 17, 181); + clks[TEGRA210_CLK_DPAUX] = clk; + + clk = tegra_clk_register_periph_fixed("dpaux1", "pll_p", 0, clk_base, + 1, 17, 207); + clks[TEGRA210_CLK_DPAUX1] = clk; + + clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base, + 1, 17, 222); + clks[TEGRA210_CLK_SOR_SAFE] = clk; + /* pll_d_dsi_out */ clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0, clk_base + PLLD_MISC0, 21, 0, &pll_d_lock); @@ -2640,8 +2654,10 @@ static void __init tegra210_pll_init(void __iomem *clk_base, clks[TEGRA210_CLK_PLL_D_OUT0] = clk; /* PLLRE */ - clk = tegra_clk_register_pllre("pll_re_vco", "pll_ref", clk_base, pmc, - 0, &pll_re_vco_params, &pll_re_lock, pll_ref_freq); + clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref", + clk_base, pmc, 0, + &pll_re_vco_params, + &pll_re_lock, pll_ref_freq); clk_register_clkdev(clk, "pll_re_vco", NULL); clks[TEGRA210_CLK_PLL_RE_VCO] = clk; @@ -2651,6 +2667,15 @@ static void __init tegra210_pll_init(void __iomem *clk_base, clk_register_clkdev(clk, "pll_re_out", NULL); clks[TEGRA210_CLK_PLL_RE_OUT] = clk; + clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco", + clk_base + PLLRE_OUT1, 0, + TEGRA_DIVIDER_ROUND_UP, + 8, 8, 1, NULL); + clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div", + clk_base + PLLRE_OUT1, 1, 0, + CLK_SET_RATE_PARENT, 0, NULL); + clks[TEGRA210_CLK_PLL_RE_OUT1] = clk; + /* PLLE */ clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref", clk_base, 0, &pll_e_params, NULL); diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c index 0478565..9396f49 100644 --- a/drivers/clk/tegra/clk-tegra30.c +++ b/drivers/clk/tegra/clk-tegra30.c @@ -339,11 +339,11 @@ static const struct pdiv_map pllu_p[] = { }; static struct tegra_clk_pll_freq_table pll_u_freq_table[] = { - { 12000000, 480000000, 960, 12, 1, 12 }, - { 13000000, 480000000, 960, 13, 1, 12 }, - { 16800000, 480000000, 400, 7, 1, 5 }, - { 19200000, 480000000, 200, 4, 1, 3 }, - { 26000000, 480000000, 960, 26, 1, 12 }, + { 12000000, 480000000, 960, 12, 2, 12 }, + { 13000000, 480000000, 960, 13, 2, 12 }, + { 16800000, 480000000, 400, 7, 2, 5 }, + { 19200000, 480000000, 200, 4, 2, 3 }, + { 26000000, 480000000, 960, 26, 2, 12 }, { 0, 0, 0, 0, 0, 0 }, }; @@ -1372,6 +1372,7 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA30_CLK_SBC4, TEGRA30_CLK_PLL_P, 100000000, 0 }, { TEGRA30_CLK_SBC5, TEGRA30_CLK_PLL_P, 100000000, 0 }, { TEGRA30_CLK_SBC6, TEGRA30_CLK_PLL_P, 100000000, 0 }, + { TEGRA30_CLK_PLL_C, TEGRA30_CLK_CLK_MAX, 600000000, 0 }, { TEGRA30_CLK_HOST1X, TEGRA30_CLK_PLL_C, 150000000, 0 }, { TEGRA30_CLK_DISP1, TEGRA30_CLK_PLL_P, 600000000, 0 }, { TEGRA30_CLK_DISP2, TEGRA30_CLK_PLL_P, 600000000, 0 }, @@ -1379,6 +1380,7 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA30_CLK_GR2D, TEGRA30_CLK_PLL_C, 300000000, 0 }, { TEGRA30_CLK_GR3D, TEGRA30_CLK_PLL_C, 300000000, 0 }, { TEGRA30_CLK_GR3D2, TEGRA30_CLK_PLL_C, 300000000, 0 }, + { TEGRA30_CLK_PLL_U, TEGRA30_CLK_CLK_MAX, 480000000, 0 }, /* must be the last entry */ { TEGRA30_CLK_CLK_MAX, TEGRA30_CLK_CLK_MAX, 0, 0 }, }; diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c index f60fe2e..b2cdd9a 100644 --- a/drivers/clk/tegra/clk.c +++ b/drivers/clk/tegra/clk.c @@ -84,7 +84,7 @@ static int (*special_reset_assert)(unsigned long); static int (*special_reset_deassert)(unsigned long); static unsigned int num_special_reset; -static struct tegra_clk_periph_regs periph_regs[] = { +static const struct tegra_clk_periph_regs periph_regs[] = { [0] = { .enb_reg = CLK_OUT_ENB_L, .enb_set_reg = CLK_OUT_ENB_SET_L, @@ -182,7 +182,7 @@ static int tegra_clk_rst_deassert(struct reset_controller_dev *rcdev, return -EINVAL; } -struct tegra_clk_periph_regs *get_reg_bank(int clkid) +const struct tegra_clk_periph_regs *get_reg_bank(int clkid) { int reg_bank = clkid / 32; diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h index 4dbcfae..9421f03 100644 --- a/drivers/clk/tegra/clk.h +++ b/drivers/clk/tegra/clk.h @@ -386,6 +386,12 @@ struct clk *tegra_clk_register_pllre(const char *name, const char *parent_name, struct tegra_clk_pll_params *pll_params, spinlock_t *lock, unsigned long parent_rate); +struct clk *tegra_clk_register_pllre_tegra210(const char *name, + const char *parent_name, void __iomem *clk_base, + void __iomem *pmc, unsigned long flags, + struct tegra_clk_pll_params *pll_params, + spinlock_t *lock, unsigned long parent_rate); + struct clk *tegra_clk_register_plle_tegra114(const char *name, const char *parent_name, void __iomem *clk_base, unsigned long flags, @@ -496,7 +502,7 @@ struct tegra_clk_periph_gate { u8 flags; int clk_num; int *enable_refcnt; - struct tegra_clk_periph_regs *regs; + const struct tegra_clk_periph_regs *regs; }; #define to_clk_periph_gate(_hw) \ @@ -516,6 +522,23 @@ struct clk *tegra_clk_register_periph_gate(const char *name, const char *parent_name, u8 gate_flags, void __iomem *clk_base, unsigned long flags, int clk_num, int *enable_refcnt); +struct tegra_clk_periph_fixed { + struct clk_hw hw; + void __iomem *base; + const struct tegra_clk_periph_regs *regs; + unsigned int mul; + unsigned int div; + unsigned int num; +}; + +struct clk *tegra_clk_register_periph_fixed(const char *name, + const char *parent, + unsigned long flags, + void __iomem *base, + unsigned int mul, + unsigned int div, + unsigned int num); + /** * struct clk-periph - peripheral clock * @@ -716,7 +739,7 @@ void tegra_init_from_table(struct tegra_clk_init_table *tbl, void tegra_init_dup_clks(struct tegra_clk_duplicate *dup_list, struct clk *clks[], int clk_max); -struct tegra_clk_periph_regs *get_reg_bank(int clkid); +const struct tegra_clk_periph_regs *get_reg_bank(int clkid); struct clk **tegra_clk_init(void __iomem *clk_base, int num, int periph_banks); struct clk **tegra_lookup_dt_id(int clk_id, struct tegra_clk *tegra_clk); diff --git a/drivers/clk/tegra/cvb.c b/drivers/clk/tegra/cvb.c index 69c74ee..624115e 100644 --- a/drivers/clk/tegra/cvb.c +++ b/drivers/clk/tegra/cvb.c @@ -61,29 +61,28 @@ static int round_voltage(int mv, const struct rail_alignment *align, int up) return mv; } -static int build_opp_table(const struct cvb_table *d, - int speedo_value, - unsigned long max_freq, - struct device *opp_dev) +static int build_opp_table(struct device *dev, const struct cvb_table *table, + int speedo_value, unsigned long max_freq) { + const struct rail_alignment *align = &table->alignment; int i, ret, dfll_mv, min_mv, max_mv; - const struct cvb_table_freq_entry *table = NULL; - const struct rail_alignment *align = &d->alignment; - min_mv = round_voltage(d->min_millivolts, align, UP); - max_mv = round_voltage(d->max_millivolts, align, DOWN); + min_mv = round_voltage(table->min_millivolts, align, UP); + max_mv = round_voltage(table->max_millivolts, align, DOWN); for (i = 0; i < MAX_DVFS_FREQS; i++) { - table = &d->cvb_table[i]; - if (!table->freq || (table->freq > max_freq)) + const struct cvb_table_freq_entry *entry = &table->entries[i]; + + if (!entry->freq || (entry->freq > max_freq)) break; - dfll_mv = get_cvb_voltage( - speedo_value, d->speedo_scale, &table->coefficients); - dfll_mv = round_cvb_voltage(dfll_mv, d->voltage_scale, align); + dfll_mv = get_cvb_voltage(speedo_value, table->speedo_scale, + &entry->coefficients); + dfll_mv = round_cvb_voltage(dfll_mv, table->voltage_scale, + align); dfll_mv = clamp(dfll_mv, min_mv, max_mv); - ret = dev_pm_opp_add(opp_dev, table->freq, dfll_mv * 1000); + ret = dev_pm_opp_add(dev, entry->freq, dfll_mv * 1000); if (ret) return ret; } @@ -92,7 +91,7 @@ static int build_opp_table(const struct cvb_table *d, } /** - * tegra_cvb_build_opp_table - build OPP table from Tegra CVB tables + * tegra_cvb_add_opp_table - build OPP table from Tegra CVB tables * @cvb_tables: array of CVB tables * @sz: size of the previously mentioned array * @process_id: process id of the HW module @@ -108,26 +107,42 @@ static int build_opp_table(const struct cvb_table *d, * given @opp_dev. Returns a pointer to the struct cvb_table that matched * or an ERR_PTR on failure. */ -const struct cvb_table *tegra_cvb_build_opp_table( - const struct cvb_table *cvb_tables, - size_t sz, int process_id, - int speedo_id, int speedo_value, - unsigned long max_rate, - struct device *opp_dev) +const struct cvb_table * +tegra_cvb_add_opp_table(struct device *dev, const struct cvb_table *tables, + size_t count, int process_id, int speedo_id, + int speedo_value, unsigned long max_freq) { - int i, ret; + size_t i; + int ret; - for (i = 0; i < sz; i++) { - const struct cvb_table *d = &cvb_tables[i]; + for (i = 0; i < count; i++) { + const struct cvb_table *table = &tables[i]; - if (d->speedo_id != -1 && d->speedo_id != speedo_id) + if (table->speedo_id != -1 && table->speedo_id != speedo_id) continue; - if (d->process_id != -1 && d->process_id != process_id) + + if (table->process_id != -1 && table->process_id != process_id) continue; - ret = build_opp_table(d, speedo_value, max_rate, opp_dev); - return ret ? ERR_PTR(ret) : d; + ret = build_opp_table(dev, table, speedo_value, max_freq); + return ret ? ERR_PTR(ret) : table; } return ERR_PTR(-EINVAL); } + +void tegra_cvb_remove_opp_table(struct device *dev, + const struct cvb_table *table, + unsigned long max_freq) +{ + unsigned int i; + + for (i = 0; i < MAX_DVFS_FREQS; i++) { + const struct cvb_table_freq_entry *entry = &table->entries[i]; + + if (!entry->freq || (entry->freq > max_freq)) + break; + + dev_pm_opp_remove(dev, entry->freq); + } +} diff --git a/drivers/clk/tegra/cvb.h b/drivers/clk/tegra/cvb.h index f62cdc4..c1f0779 100644 --- a/drivers/clk/tegra/cvb.h +++ b/drivers/clk/tegra/cvb.h @@ -53,15 +53,16 @@ struct cvb_table { int speedo_scale; int voltage_scale; - struct cvb_table_freq_entry cvb_table[MAX_DVFS_FREQS]; + struct cvb_table_freq_entry entries[MAX_DVFS_FREQS]; struct cvb_cpu_dfll_data cpu_dfll_data; }; -const struct cvb_table *tegra_cvb_build_opp_table( - const struct cvb_table *cvb_tables, - size_t sz, int process_id, - int speedo_id, int speedo_value, - unsigned long max_rate, - struct device *opp_dev); +const struct cvb_table * +tegra_cvb_add_opp_table(struct device *dev, const struct cvb_table *cvb_tables, + size_t count, int process_id, int speedo_id, + int speedo_value, unsigned long max_freq); +void tegra_cvb_remove_opp_table(struct device *dev, + const struct cvb_table *table, + unsigned long max_freq); #endif diff --git a/drivers/clk/ti/clk-54xx.c b/drivers/clk/ti/clk-54xx.c index 59ce2fa..294bc03 100644 --- a/drivers/clk/ti/clk-54xx.c +++ b/drivers/clk/ti/clk-54xx.c @@ -210,6 +210,7 @@ static struct ti_dt_clk omap54xx_clks[] = { DT_CLK("usbhs_omap", "usbtll_fck", "dummy_ck"), DT_CLK("omap_wdt", "ick", "dummy_ck"), DT_CLK(NULL, "timer_32k_ck", "sys_32k_ck"), + DT_CLK(NULL, "sys_clkin_ck", "sys_clkin"), DT_CLK("4ae18000.timer", "timer_sys_ck", "sys_clkin"), DT_CLK("48032000.timer", "timer_sys_ck", "sys_clkin"), DT_CLK("48034000.timer", "timer_sys_ck", "sys_clkin"), diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c index 6b5a309..bfa17d3 100644 --- a/drivers/clk/ti/clk-7xx.c +++ b/drivers/clk/ti/clk-7xx.c @@ -289,6 +289,7 @@ static struct ti_dt_clk dra7xx_clks[] = { DT_CLK("usbhs_omap", "usbtll_fck", "dummy_ck"), DT_CLK("omap_wdt", "ick", "dummy_ck"), DT_CLK(NULL, "timer_32k_ck", "sys_32k_ck"), + DT_CLK(NULL, "sys_clkin_ck", "timer_sys_clk_div"), DT_CLK("4ae18000.timer", "timer_sys_ck", "timer_sys_clk_div"), DT_CLK("48032000.timer", "timer_sys_ck", "timer_sys_clk_div"), DT_CLK("48034000.timer", "timer_sys_ck", "timer_sys_clk_div"), diff --git a/drivers/clk/ti/clk-dra7-atl.c b/drivers/clk/ti/clk-dra7-atl.c index 2e14dfb..c773332 100644 --- a/drivers/clk/ti/clk-dra7-atl.c +++ b/drivers/clk/ti/clk-dra7-atl.c @@ -265,6 +265,7 @@ static int of_dra7_atl_clk_probe(struct platform_device *pdev) /* Get configuration for the ATL instances */ snprintf(prop, sizeof(prop), "atl%u", i); + of_node_get(node); cfg_node = of_find_node_by_name(node, prop); if (cfg_node) { ret = of_property_read_u32(cfg_node, "bws", @@ -278,6 +279,7 @@ static int of_dra7_atl_clk_probe(struct platform_device *pdev) atl_write(cinfo, DRA7_ATL_AWSMUX_REG(i), cdesc->aws); } + of_node_put(cfg_node); } cdesc->probed = true; diff --git a/drivers/clk/ti/clkt_dflt.c b/drivers/clk/ti/clkt_dflt.c index 1ddc288..c6ae563 100644 --- a/drivers/clk/ti/clkt_dflt.c +++ b/drivers/clk/ti/clkt_dflt.c @@ -222,7 +222,7 @@ int omap2_dflt_clk_enable(struct clk_hw *hw) } } - if (unlikely(IS_ERR(clk->enable_reg))) { + if (IS_ERR(clk->enable_reg)) { pr_err("%s: %s missing enable_reg\n", __func__, clk_hw_get_name(hw)); ret = -EINVAL; diff --git a/drivers/clk/ti/clkt_dpll.c b/drivers/clk/ti/clkt_dpll.c index 032c658..b919fdf 100644 --- a/drivers/clk/ti/clkt_dpll.c +++ b/drivers/clk/ti/clkt_dpll.c @@ -301,6 +301,9 @@ long omap2_dpll_round_rate(struct clk_hw *hw, unsigned long target_rate, dd = clk->dpll_data; + if (dd->max_rate && target_rate > dd->max_rate) + target_rate = dd->max_rate; + ref_rate = clk_hw_get_rate(dd->clk_ref); clk_name = clk_hw_get_name(hw); pr_debug("clock: %s: starting DPLL round_rate, target rate %lu\n", diff --git a/drivers/clk/ti/dpll.c b/drivers/clk/ti/dpll.c index 3bc9959..9fc8754 100644 --- a/drivers/clk/ti/dpll.c +++ b/drivers/clk/ti/dpll.c @@ -655,6 +655,7 @@ static void __init of_ti_am3_no_gate_dpll_setup(struct device_node *node) .max_multiplier = 2047, .max_divider = 128, .min_divider = 1, + .max_rate = 1000000000, .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), }; @@ -674,6 +675,7 @@ static void __init of_ti_am3_jtype_dpll_setup(struct device_node *node) .max_divider = 256, .min_divider = 2, .flags = DPLL_J_TYPE, + .max_rate = 2000000000, .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), }; @@ -692,6 +694,7 @@ static void __init of_ti_am3_no_gate_jtype_dpll_setup(struct device_node *node) .max_multiplier = 2047, .max_divider = 128, .min_divider = 1, + .max_rate = 2000000000, .flags = DPLL_J_TYPE, .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), }; @@ -712,6 +715,7 @@ static void __init of_ti_am3_dpll_setup(struct device_node *node) .max_multiplier = 2047, .max_divider = 128, .min_divider = 1, + .max_rate = 1000000000, .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), }; @@ -729,6 +733,7 @@ static void __init of_ti_am3_core_dpll_setup(struct device_node *node) .max_multiplier = 2047, .max_divider = 128, .min_divider = 1, + .max_rate = 1000000000, .modes = (1 << DPLL_LOW_POWER_BYPASS) | (1 << DPLL_LOCKED), }; diff --git a/drivers/clk/zte/clk-zx296702.c b/drivers/clk/zte/clk-zx296702.c index ebd20d8..76e967c 100644 --- a/drivers/clk/zte/clk-zx296702.c +++ b/drivers/clk/zte/clk-zx296702.c @@ -234,8 +234,7 @@ static void __init zx296702_top_clocks_init(struct device_node *np) WARN_ON(!topcrm_base); clk[ZX296702_OSC] = - clk_register_fixed_rate(NULL, "osc", NULL, CLK_IS_ROOT, - 30000000); + clk_register_fixed_rate(NULL, "osc", NULL, 0, 30000000); clk[ZX296702_PLL_A9] = clk_register_zx_pll("pll_a9", "osc", 0, topcrm_base + 0x01c, pll_a9_config, diff --git a/include/dt-bindings/clock/axis,artpec6-clkctrl.h b/include/dt-bindings/clock/axis,artpec6-clkctrl.h new file mode 100644 index 0000000..f9f04dc --- /dev/null +++ b/include/dt-bindings/clock/axis,artpec6-clkctrl.h @@ -0,0 +1,38 @@ +/* + * ARTPEC-6 clock controller indexes + * + * Copyright 2016 Axis Comunications AB. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef DT_BINDINGS_CLK_ARTPEC6_CLKCTRL_H +#define DT_BINDINGS_CLK_ARTPEC6_CLKCTRL_H + +#define ARTPEC6_CLK_CPU 0 +#define ARTPEC6_CLK_CPU_PERIPH 1 +#define ARTPEC6_CLK_NAND_CLKA 2 +#define ARTPEC6_CLK_NAND_CLKB 3 +#define ARTPEC6_CLK_ETH_ACLK 4 +#define ARTPEC6_CLK_DMA_ACLK 5 +#define ARTPEC6_CLK_PTP_REF 6 +#define ARTPEC6_CLK_SD_PCLK 7 +#define ARTPEC6_CLK_SD_IMCLK 8 +#define ARTPEC6_CLK_I2S_HST 9 +#define ARTPEC6_CLK_I2S0_CLK 10 +#define ARTPEC6_CLK_I2S1_CLK 11 +#define ARTPEC6_CLK_UART_PCLK 12 +#define ARTPEC6_CLK_UART_REFCLK 13 +#define ARTPEC6_CLK_I2C 14 +#define ARTPEC6_CLK_SPI_PCLK 15 +#define ARTPEC6_CLK_SPI_SSPCLK 16 +#define ARTPEC6_CLK_SYS_TIMER 17 +#define ARTPEC6_CLK_FRACDIV_IN 18 +#define ARTPEC6_CLK_DBG_PCLK 19 + +/* This must be the highest clock index plus one. */ +#define ARTPEC6_CLK_NUMCLOCKS 20 + +#endif diff --git a/include/dt-bindings/clock/bcm2835.h b/include/dt-bindings/clock/bcm2835.h index 61f1d20..360e00c 100644 --- a/include/dt-bindings/clock/bcm2835.h +++ b/include/dt-bindings/clock/bcm2835.h @@ -44,5 +44,23 @@ #define BCM2835_CLOCK_EMMC 28 #define BCM2835_CLOCK_PERI_IMAGE 29 #define BCM2835_CLOCK_PWM 30 +#define BCM2835_CLOCK_PCM 31 -#define BCM2835_CLOCK_COUNT 31 +#define BCM2835_PLLA_DSI0 32 +#define BCM2835_PLLA_CCP2 33 +#define BCM2835_PLLD_DSI0 34 +#define BCM2835_PLLD_DSI1 35 + +#define BCM2835_CLOCK_AVEO 36 +#define BCM2835_CLOCK_DFT 37 +#define BCM2835_CLOCK_GP0 38 +#define BCM2835_CLOCK_GP1 39 +#define BCM2835_CLOCK_GP2 40 +#define BCM2835_CLOCK_SLIM 41 +#define BCM2835_CLOCK_SMI 42 +#define BCM2835_CLOCK_TEC 43 +#define BCM2835_CLOCK_DPI 44 +#define BCM2835_CLOCK_CAM0 45 +#define BCM2835_CLOCK_CAM1 46 +#define BCM2835_CLOCK_DSI0E 47 +#define BCM2835_CLOCK_DSI1E 48 diff --git a/include/dt-bindings/clock/exynos5420.h b/include/dt-bindings/clock/exynos5420.h index 7699ee9..17ab839 100644 --- a/include/dt-bindings/clock/exynos5420.h +++ b/include/dt-bindings/clock/exynos5420.h @@ -217,8 +217,30 @@ /* divider clocks */ #define CLK_DOUT_PIXEL 768 +#define CLK_DOUT_ACLK400_WCORE 769 +#define CLK_DOUT_ACLK400_ISP 770 +#define CLK_DOUT_ACLK400_MSCL 771 +#define CLK_DOUT_ACLK200 772 +#define CLK_DOUT_ACLK200_FSYS2 773 +#define CLK_DOUT_ACLK100_NOC 774 +#define CLK_DOUT_PCLK200_FSYS 775 +#define CLK_DOUT_ACLK200_FSYS 776 +#define CLK_DOUT_ACLK333_432_GSCL 777 +#define CLK_DOUT_ACLK333_432_ISP 778 +#define CLK_DOUT_ACLK66 779 +#define CLK_DOUT_ACLK333_432_ISP0 780 +#define CLK_DOUT_ACLK266 781 +#define CLK_DOUT_ACLK166 782 +#define CLK_DOUT_ACLK333 783 +#define CLK_DOUT_ACLK333_G2D 784 +#define CLK_DOUT_ACLK266_G2D 785 +#define CLK_DOUT_ACLK_G3D 786 +#define CLK_DOUT_ACLK300_JPEG 787 +#define CLK_DOUT_ACLK300_DISP1 788 +#define CLK_DOUT_ACLK300_GSCL 789 +#define CLK_DOUT_ACLK400_DISP1 790 /* must be greater than maximal clock id */ -#define CLK_NR_CLKS 769 +#define CLK_NR_CLKS 791 #endif /* _DT_BINDINGS_CLOCK_EXYNOS_5420_H */ diff --git a/include/dt-bindings/clock/hi3519-clock.h b/include/dt-bindings/clock/hi3519-clock.h new file mode 100644 index 0000000..14f4d21 --- /dev/null +++ b/include/dt-bindings/clock/hi3519-clock.h @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2015 HiSilicon Technologies Co., Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __DTS_HI3519_CLOCK_H +#define __DTS_HI3519_CLOCK_H + +#define HI3519_FMC_CLK 1 +#define HI3519_SPI0_CLK 2 +#define HI3519_SPI1_CLK 3 +#define HI3519_SPI2_CLK 4 +#define HI3519_UART0_CLK 5 +#define HI3519_UART1_CLK 6 +#define HI3519_UART2_CLK 7 +#define HI3519_UART3_CLK 8 +#define HI3519_UART4_CLK 9 +#define HI3519_PWM_CLK 10 +#define HI3519_DMA_CLK 11 +#define HI3519_IR_CLK 12 +#define HI3519_ETH_PHY_CLK 13 +#define HI3519_ETH_MAC_CLK 14 +#define HI3519_ETH_MACIF_CLK 15 +#define HI3519_USB2_BUS_CLK 16 +#define HI3519_USB2_PORT_CLK 17 +#define HI3519_USB3_CLK 18 + +#endif /* __DTS_HI3519_CLOCK_H */ diff --git a/include/dt-bindings/clock/imx7d-clock.h b/include/dt-bindings/clock/imx7d-clock.h index edca8985c..1183347 100644 --- a/include/dt-bindings/clock/imx7d-clock.h +++ b/include/dt-bindings/clock/imx7d-clock.h @@ -448,5 +448,6 @@ #define IMX7D_PLL_DRAM_TEST_DIV 435 #define IMX7D_ADC_ROOT_CLK 436 #define IMX7D_CLK_ARM 437 -#define IMX7D_CLK_END 438 +#define IMX7D_CKIL 438 +#define IMX7D_CLK_END 439 #endif /* __DT_BINDINGS_CLOCK_IMX7D_H */ diff --git a/include/dt-bindings/clock/tegra210-car.h b/include/dt-bindings/clock/tegra210-car.h index 0a05b0d..bd3530e 100644 --- a/include/dt-bindings/clock/tegra210-car.h +++ b/include/dt-bindings/clock/tegra210-car.h @@ -346,7 +346,7 @@ #define TEGRA210_CLK_PLL_P_OUT_HSIO 316 #define TEGRA210_CLK_PLL_P_OUT_XUSB 317 #define TEGRA210_CLK_XUSB_SSP_SRC 318 -/* 319 */ +#define TEGRA210_CLK_PLL_RE_OUT1 319 /* 320 */ /* 321 */ /* 322 */ diff --git a/include/dt-bindings/clock/vf610-clock.h b/include/dt-bindings/clock/vf610-clock.h index 56c16aa..4599775 100644 --- a/include/dt-bindings/clock/vf610-clock.h +++ b/include/dt-bindings/clock/vf610-clock.h @@ -194,7 +194,11 @@ #define VF610_PLL7_BYPASS 181 #define VF610_CLK_SNVS 182 #define VF610_CLK_DAP 183 -#define VF610_CLK_OCOTP 184 -#define VF610_CLK_END 185 +#define VF610_CLK_OCOTP 184 +#define VF610_CLK_DDRMC 185 +#define VF610_CLK_WKPU 186 +#define VF610_CLK_TCON0 187 +#define VF610_CLK_TCON1 188 +#define VF610_CLK_END 189 #endif /* __DT_BINDINGS_CLOCK_VF610_H */ diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index da95258..0c72204 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -32,6 +32,7 @@ #define CLK_GET_ACCURACY_NOCACHE BIT(8) /* do not use the cached clk accuracy */ #define CLK_RECALC_NEW_RATES BIT(9) /* recalc rates after notifications */ #define CLK_SET_RATE_UNGATE BIT(10) /* clock needs to run to set rate */ +#define CLK_IS_CRITICAL BIT(11) /* do not gate, ever */ struct clk; struct clk_hw; @@ -282,10 +283,17 @@ extern const struct clk_ops clk_fixed_rate_ops; struct clk *clk_register_fixed_rate(struct device *dev, const char *name, const char *parent_name, unsigned long flags, unsigned long fixed_rate); +struct clk_hw *clk_hw_register_fixed_rate(struct device *dev, const char *name, + const char *parent_name, unsigned long flags, + unsigned long fixed_rate); struct clk *clk_register_fixed_rate_with_accuracy(struct device *dev, const char *name, const char *parent_name, unsigned long flags, unsigned long fixed_rate, unsigned long fixed_accuracy); void clk_unregister_fixed_rate(struct clk *clk); +struct clk_hw *clk_hw_register_fixed_rate_with_accuracy(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, + unsigned long fixed_rate, unsigned long fixed_accuracy); + void of_fixed_clk_setup(struct device_node *np); /** @@ -326,7 +334,12 @@ struct clk *clk_register_gate(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u8 bit_idx, u8 clk_gate_flags, spinlock_t *lock); +struct clk_hw *clk_hw_register_gate(struct device *dev, const char *name, + const char *parent_name, unsigned long flags, + void __iomem *reg, u8 bit_idx, + u8 clk_gate_flags, spinlock_t *lock); void clk_unregister_gate(struct clk *clk); +void clk_hw_unregister_gate(struct clk_hw *hw); struct clk_div_table { unsigned int val; @@ -407,12 +420,22 @@ struct clk *clk_register_divider(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u8 shift, u8 width, u8 clk_divider_flags, spinlock_t *lock); +struct clk_hw *clk_hw_register_divider(struct device *dev, const char *name, + const char *parent_name, unsigned long flags, + void __iomem *reg, u8 shift, u8 width, + u8 clk_divider_flags, spinlock_t *lock); struct clk *clk_register_divider_table(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u8 shift, u8 width, u8 clk_divider_flags, const struct clk_div_table *table, spinlock_t *lock); +struct clk_hw *clk_hw_register_divider_table(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, + void __iomem *reg, u8 shift, u8 width, + u8 clk_divider_flags, const struct clk_div_table *table, + spinlock_t *lock); void clk_unregister_divider(struct clk *clk); +void clk_hw_unregister_divider(struct clk_hw *hw); /** * struct clk_mux - multiplexer clock @@ -463,14 +486,25 @@ struct clk *clk_register_mux(struct device *dev, const char *name, unsigned long flags, void __iomem *reg, u8 shift, u8 width, u8 clk_mux_flags, spinlock_t *lock); +struct clk_hw *clk_hw_register_mux(struct device *dev, const char *name, + const char * const *parent_names, u8 num_parents, + unsigned long flags, + void __iomem *reg, u8 shift, u8 width, + u8 clk_mux_flags, spinlock_t *lock); struct clk *clk_register_mux_table(struct device *dev, const char *name, const char * const *parent_names, u8 num_parents, unsigned long flags, void __iomem *reg, u8 shift, u32 mask, u8 clk_mux_flags, u32 *table, spinlock_t *lock); +struct clk_hw *clk_hw_register_mux_table(struct device *dev, const char *name, + const char * const *parent_names, u8 num_parents, + unsigned long flags, + void __iomem *reg, u8 shift, u32 mask, + u8 clk_mux_flags, u32 *table, spinlock_t *lock); void clk_unregister_mux(struct clk *clk); +void clk_hw_unregister_mux(struct clk_hw *hw); void of_fixed_factor_clk_setup(struct device_node *node); @@ -499,6 +533,10 @@ struct clk *clk_register_fixed_factor(struct device *dev, const char *name, const char *parent_name, unsigned long flags, unsigned int mult, unsigned int div); void clk_unregister_fixed_factor(struct clk *clk); +struct clk_hw *clk_hw_register_fixed_factor(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, + unsigned int mult, unsigned int div); +void clk_hw_unregister_fixed_factor(struct clk_hw *hw); /** * struct clk_fractional_divider - adjustable fractional divider clock @@ -533,6 +571,11 @@ struct clk *clk_register_fractional_divider(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u8 mshift, u8 mwidth, u8 nshift, u8 nwidth, u8 clk_divider_flags, spinlock_t *lock); +struct clk_hw *clk_hw_register_fractional_divider(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, + void __iomem *reg, u8 mshift, u8 mwidth, u8 nshift, u8 nwidth, + u8 clk_divider_flags, spinlock_t *lock); +void clk_hw_unregister_fractional_divider(struct clk_hw *hw); /** * struct clk_multiplier - adjustable multiplier clock @@ -603,6 +646,14 @@ struct clk *clk_register_composite(struct device *dev, const char *name, struct clk_hw *rate_hw, const struct clk_ops *rate_ops, struct clk_hw *gate_hw, const struct clk_ops *gate_ops, unsigned long flags); +void clk_unregister_composite(struct clk *clk); +struct clk_hw *clk_hw_register_composite(struct device *dev, const char *name, + const char * const *parent_names, int num_parents, + struct clk_hw *mux_hw, const struct clk_ops *mux_ops, + struct clk_hw *rate_hw, const struct clk_ops *rate_ops, + struct clk_hw *gate_hw, const struct clk_ops *gate_ops, + unsigned long flags); +void clk_hw_unregister_composite(struct clk_hw *hw); /*** * struct clk_gpio_gate - gpio gated clock @@ -625,6 +676,10 @@ extern const struct clk_ops clk_gpio_gate_ops; struct clk *clk_register_gpio_gate(struct device *dev, const char *name, const char *parent_name, unsigned gpio, bool active_low, unsigned long flags); +struct clk_hw *clk_hw_register_gpio_gate(struct device *dev, const char *name, + const char *parent_name, unsigned gpio, bool active_low, + unsigned long flags); +void clk_hw_unregister_gpio_gate(struct clk_hw *hw); /** * struct clk_gpio_mux - gpio controlled clock multiplexer @@ -640,6 +695,10 @@ extern const struct clk_ops clk_gpio_mux_ops; struct clk *clk_register_gpio_mux(struct device *dev, const char *name, const char * const *parent_names, u8 num_parents, unsigned gpio, bool active_low, unsigned long flags); +struct clk_hw *clk_hw_register_gpio_mux(struct device *dev, const char *name, + const char * const *parent_names, u8 num_parents, unsigned gpio, + bool active_low, unsigned long flags); +void clk_hw_unregister_gpio_mux(struct clk_hw *hw); /** * clk_register - allocate a new clock, register it and return an opaque cookie @@ -655,9 +714,15 @@ struct clk *clk_register_gpio_mux(struct device *dev, const char *name, struct clk *clk_register(struct device *dev, struct clk_hw *hw); struct clk *devm_clk_register(struct device *dev, struct clk_hw *hw); +int __must_check clk_hw_register(struct device *dev, struct clk_hw *hw); +int __must_check devm_clk_hw_register(struct device *dev, struct clk_hw *hw); + void clk_unregister(struct clk *clk); void devm_clk_unregister(struct device *dev, struct clk *clk); +void clk_hw_unregister(struct clk_hw *hw); +void devm_clk_hw_unregister(struct device *dev, struct clk_hw *hw); + /* helper functions */ const char *__clk_get_name(const struct clk *clk); const char *clk_hw_get_name(const struct clk_hw *hw); @@ -703,6 +768,11 @@ struct clk_onecell_data { unsigned int clk_num; }; +struct clk_hw_onecell_data { + size_t num; + struct clk_hw *hws[]; +}; + extern struct of_device_id __clk_of_table; #define CLK_OF_DECLARE(name, compat, fn) OF_DECLARE_1(clk, name, compat, fn) @@ -712,15 +782,24 @@ int of_clk_add_provider(struct device_node *np, struct clk *(*clk_src_get)(struct of_phandle_args *args, void *data), void *data); +int of_clk_add_hw_provider(struct device_node *np, + struct clk_hw *(*get)(struct of_phandle_args *clkspec, + void *data), + void *data); void of_clk_del_provider(struct device_node *np); struct clk *of_clk_src_simple_get(struct of_phandle_args *clkspec, void *data); +struct clk_hw *of_clk_hw_simple_get(struct of_phandle_args *clkspec, + void *data); struct clk *of_clk_src_onecell_get(struct of_phandle_args *clkspec, void *data); +struct clk_hw *of_clk_hw_onecell_get(struct of_phandle_args *clkspec, + void *data); unsigned int of_clk_get_parent_count(struct device_node *np); int of_clk_parent_fill(struct device_node *np, const char **parents, unsigned int size); const char *of_clk_get_parent_name(struct device_node *np, int index); - +int of_clk_detect_critical(struct device_node *np, int index, + unsigned long *flags); void of_clk_init(const struct of_device_id *matches); #else /* !CONFIG_OF */ @@ -732,17 +811,34 @@ static inline int of_clk_add_provider(struct device_node *np, { return 0; } +static inline int of_clk_add_hw_provider(struct device_node *np, + struct clk_hw *(*get)(struct of_phandle_args *clkspec, + void *data), + void *data) +{ + return 0; +} static inline void of_clk_del_provider(struct device_node *np) {} static inline struct clk *of_clk_src_simple_get( struct of_phandle_args *clkspec, void *data) { return ERR_PTR(-ENOENT); } +static inline struct clk_hw * +of_clk_hw_simple_get(struct of_phandle_args *clkspec, void *data) +{ + return ERR_PTR(-ENOENT); +} static inline struct clk *of_clk_src_onecell_get( struct of_phandle_args *clkspec, void *data) { return ERR_PTR(-ENOENT); } +static inline struct clk_hw * +of_clk_hw_onecell_get(struct of_phandle_args *clkspec, void *data) +{ + return ERR_PTR(-ENOENT); +} static inline int of_clk_get_parent_count(struct device_node *np) { return 0; @@ -757,6 +853,11 @@ static inline const char *of_clk_get_parent_name(struct device_node *np, { return NULL; } +static inline int of_clk_detect_critical(struct device_node *np, int index, + unsigned long *flags) +{ + return 0; +} static inline void of_clk_init(const struct of_device_id *matches) {} #endif /* CONFIG_OF */ diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h index dc5164a..6110fe0 100644 --- a/include/linux/clk/ti.h +++ b/include/linux/clk/ti.h @@ -37,6 +37,7 @@ * @last_rounded_n: cache of the last N result of omap2_dpll_round_rate() * @min_divider: minimum valid non-bypass divider value (actual) * @max_divider: maximum valid non-bypass divider value (actual) + * @max_rate: maximum clock rate for the DPLL * @modes: possible values of @enable_mask * @autoidle_reg: register containing the DPLL autoidle mode bitfield * @idlest_reg: register containing the DPLL idle status bitfield @@ -81,6 +82,7 @@ struct dpll_data { u8 last_rounded_n; u8 min_divider; u16 max_divider; + unsigned long max_rate; u8 modes; void __iomem *autoidle_reg; void __iomem *idlest_reg; diff --git a/include/linux/clkdev.h b/include/linux/clkdev.h index c2c04f7..2eabc86 100644 --- a/include/linux/clkdev.h +++ b/include/linux/clkdev.h @@ -15,6 +15,7 @@ #include <asm/clkdev.h> struct clk; +struct clk_hw; struct device; struct clk_lookup { @@ -34,18 +35,22 @@ struct clk_lookup { struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, const char *dev_fmt, ...) __printf(3, 4); +struct clk_lookup *clkdev_hw_alloc(struct clk_hw *hw, const char *con_id, + const char *dev_fmt, ...) __printf(3, 4); void clkdev_add(struct clk_lookup *cl); void clkdev_drop(struct clk_lookup *cl); struct clk_lookup *clkdev_create(struct clk *clk, const char *con_id, const char *dev_fmt, ...) __printf(3, 4); +struct clk_lookup *clkdev_hw_create(struct clk_hw *hw, const char *con_id, + const char *dev_fmt, ...) __printf(3, 4); void clkdev_add_table(struct clk_lookup *, size_t); int clk_add_alias(const char *, const char *, const char *, struct device *); int clk_register_clkdev(struct clk *, const char *, const char *); -int clk_register_clkdevs(struct clk *, struct clk_lookup *, size_t); +int clk_hw_register_clkdev(struct clk_hw *, const char *, const char *); #ifdef CONFIG_COMMON_CLK int __clk_get(struct clk *clk); |
