diff options
45 files changed, 1993 insertions, 323 deletions
diff --git a/Documentation/devicetree/bindings/arm/omap/counter.txt b/Documentation/devicetree/bindings/arm/omap/counter.txt new file mode 100644 index 0000000..5bd8aa0 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/counter.txt @@ -0,0 +1,15 @@ +OMAP Counter-32K bindings + +Required properties: +- compatible: Must be "ti,omap-counter32k" for OMAP controllers +- reg: Contains timer register address range (base address and length) +- ti,hwmods: Name of the hwmod associated to the counter, which is typically + "counter_32k" + +Example: + +counter32k: counter@4a304000 { + compatible = "ti,omap-counter32k"; + reg = <0x4a304000 0x20>; + ti,hwmods = "counter_32k"; +}; diff --git a/Documentation/devicetree/bindings/arm/omap/timer.txt b/Documentation/devicetree/bindings/arm/omap/timer.txt new file mode 100644 index 0000000..8732d4d --- /dev/null +++ b/Documentation/devicetree/bindings/arm/omap/timer.txt @@ -0,0 +1,31 @@ +OMAP Timer bindings + +Required properties: +- compatible: Must be "ti,omap2-timer" for OMAP2+ controllers. +- reg: Contains timer register address range (base address and + length). +- interrupts: Contains the interrupt information for the timer. The + format is being dependent on which interrupt controller + the OMAP device uses. +- ti,hwmods: Name of the hwmod associated to the timer, "timer<X>", + where <X> is the instance number of the timer from the + HW spec. + +Optional properties: +- ti,timer-alwon: Indicates the timer is in an alway-on power domain. +- ti,timer-dsp: Indicates the timer can interrupt the on-chip DSP in + addition to the ARM CPU. +- ti,timer-pwm: Indicates the timer can generate a PWM output. +- ti,timer-secure: Indicates the timer is reserved on a secure OMAP device + and therefore cannot be used by the kernel. + +Example: + +timer12: timer@48304000 { + compatible = "ti,omap2-timer"; + reg = <0x48304000 0x400>; + interrupts = <95>; + ti,hwmods = "timer12" + ti,timer-alwon; + ti,timer-secure; +}; diff --git a/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt b/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt index d2fe064..63dd805 100644 --- a/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt +++ b/Documentation/devicetree/bindings/bus/omap-ocp2scp.txt @@ -2,9 +2,27 @@ properties: - compatible : Should be "ti,omap-ocp2scp" +- reg : Address and length of the register set for the device - #address-cells, #size-cells : Must be present if the device has sub-nodes - ranges : the child address space are mapped 1:1 onto the parent address space - ti,hwmods : must be "ocp2scp_usb_phy" Sub-nodes: All the devices connected to ocp2scp are described using sub-node to ocp2scp + +ocp2scp@4a0ad000 { + compatible = "ti,omap-ocp2scp"; + reg = <0x4a0ad000 0x1f>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + ti,hwmods = "ocp2scp_usb_phy"; + + subnode1 { + ... + }; + + subnode2 { + ... + }; +}; diff --git a/Documentation/devicetree/bindings/i2c/trivial-devices.txt b/Documentation/devicetree/bindings/i2c/trivial-devices.txt index 2f5322b..446859f 100644 --- a/Documentation/devicetree/bindings/i2c/trivial-devices.txt +++ b/Documentation/devicetree/bindings/i2c/trivial-devices.txt @@ -55,5 +55,7 @@ st-micro,24c256 i2c serial eeprom (24cxx) stm,m41t00 Serial Access TIMEKEEPER stm,m41t62 Serial real-time clock (RTC) with alarm stm,m41t80 M41T80 - SERIAL ACCESS RTC WITH ALARMS +taos,tsl2550 Ambient Light Sensor with SMBUS/Two Wire Serial Interface ti,tsc2003 I2C Touch-Screen Controller ti,tmp102 Low Power Digital Temperature Sensor with SMBUS/Two Wire Serial Interface +ti,tmp275 Digital Temperature Sensor diff --git a/Documentation/devicetree/bindings/usb/am33xx-usb.txt b/Documentation/devicetree/bindings/usb/am33xx-usb.txt index ca8fa56..707c1a2 100644 --- a/Documentation/devicetree/bindings/usb/am33xx-usb.txt +++ b/Documentation/devicetree/bindings/usb/am33xx-usb.txt @@ -1,5 +1,7 @@ AM33XX MUSB GLUE - compatible : Should be "ti,musb-am33xx" + - reg : offset and length of register sets, first usbss, then for musb instances + - interrupts : usbss, musb instance interrupts in order - ti,hwmods : must be "usb_otg_hs" - multipoint : Should be "1" indicating the musb controller supports multipoint. This is a MUSB configuration-specific setting. @@ -12,3 +14,22 @@ AM33XX MUSB GLUE represents PERIPHERAL. - power : Should be "250". This signifies the controller can supply upto 500mA when operating in host mode. + +Example: + +usb@47400000 { + compatible = "ti,musb-am33xx"; + reg = <0x47400000 0x1000 /* usbss */ + 0x47401000 0x800 /* musb instance 0 */ + 0x47401800 0x800>; /* musb instance 1 */ + interrupts = <17 /* usbss */ + 18 /* musb instance 0 */ + 19>; /* musb instance 1 */ + multipoint = <1>; + num-eps = <16>; + ram-bits = <12>; + port0-mode = <3>; + port1-mode = <3>; + power = <250>; + ti,hwmods = "usb_otg_hs"; +}; diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index f37cf9f..2458b69 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -63,15 +63,17 @@ dtb-$(CONFIG_ARCH_MXS) += imx23-evk.dtb \ imx28-m28evk.dtb \ imx28-tx28.dtb dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \ + omap3-beagle.dtb \ omap3-beagle-xm.dtb \ omap3-evm.dtb \ omap3-tobi.dtb \ omap4-panda.dtb \ - omap4-pandaES.dtb \ - omap4-var_som.dtb \ + omap4-panda-es.dtb \ + omap4-var-som.dtb \ omap4-sdp.dtb \ omap5-evm.dtb \ am335x-evm.dtb \ + am335x-evmsk.dtb \ am335x-bone.dtb dtb-$(CONFIG_ARCH_PRIMA2) += prima2-evb.dtb dtb-$(CONFIG_ARCH_U8500) += snowball.dtb diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts index c634f87..2c33888 100644 --- a/arch/arm/boot/dts/am335x-bone.dts +++ b/arch/arm/boot/dts/am335x-bone.dts @@ -13,11 +13,31 @@ model = "TI AM335x BeagleBone"; compatible = "ti,am335x-bone", "ti,am33xx"; + cpus { + cpu@0 { + cpu0-supply = <&dcdc2_reg>; + }; + }; + memory { device_type = "memory"; reg = <0x80000000 0x10000000>; /* 256 MB */ }; + am33xx_pinmux: pinmux@44e10800 { + pinctrl-names = "default"; + pinctrl-0 = <&user_leds_s0>; + + user_leds_s0: user_leds_s0 { + pinctrl-single,pins = < + 0x54 0x7 /* gpmc_a5.gpio1_21, OUTPUT | MODE7 */ + 0x58 0x17 /* gpmc_a6.gpio1_22, OUTPUT_PULLUP | MODE7 */ + 0x5c 0x7 /* gpmc_a7.gpio1_23, OUTPUT | MODE7 */ + 0x60 0x17 /* gpmc_a8.gpio1_24, OUTPUT_PULLUP | MODE7 */ + >; + }; + }; + ocp { uart1: serial@44e09000 { status = "okay"; @@ -33,6 +53,36 @@ }; }; + + leds { + compatible = "gpio-leds"; + + led@2 { + label = "beaglebone:green:heartbeat"; + gpios = <&gpio2 21 0>; + linux,default-trigger = "heartbeat"; + default-state = "off"; + }; + + led@3 { + label = "beaglebone:green:mmc0"; + gpios = <&gpio2 22 0>; + linux,default-trigger = "mmc0"; + default-state = "off"; + }; + + led@4 { + label = "beaglebone:green:usr2"; + gpios = <&gpio2 23 0>; + default-state = "off"; + }; + + led@5 { + label = "beaglebone:green:usr3"; + gpios = <&gpio2 24 0>; + default-state = "off"; + }; + }; }; /include/ "tps65217.dtsi" diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts index 185d632..9f65f17 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -13,11 +13,39 @@ model = "TI AM335x EVM"; compatible = "ti,am335x-evm", "ti,am33xx"; + cpus { + cpu@0 { + cpu0-supply = <&vdd1_reg>; + }; + }; + memory { device_type = "memory"; reg = <0x80000000 0x10000000>; /* 256 MB */ }; + am33xx_pinmux: pinmux@44e10800 { + pinctrl-names = "default"; + pinctrl-0 = <&matrix_keypad_s0 &volume_keys_s0>; + + matrix_keypad_s0: matrix_keypad_s0 { + pinctrl-single,pins = < + 0x54 0x7 /* gpmc_a5.gpio1_21, OUTPUT | MODE7 */ + 0x58 0x7 /* gpmc_a6.gpio1_22, OUTPUT | MODE7 */ + 0x64 0x27 /* gpmc_a9.gpio1_25, INPUT | MODE7 */ + 0x68 0x27 /* gpmc_a10.gpio1_26, INPUT | MODE7 */ + 0x6c 0x27 /* gpmc_a11.gpio1_27, INPUT | MODE7 */ + >; + }; + + volume_keys_s0: volume_keys_s0 { + pinctrl-single,pins = < + 0x150 0x27 /* spi0_sclk.gpio0_2, INPUT | MODE7 */ + 0x154 0x27 /* spi0_d0.gpio0_3, INPUT | MODE7 */ + >; + }; + }; + ocp { uart1: serial@44e09000 { status = "okay"; @@ -31,6 +59,49 @@ reg = <0x2d>; }; }; + + i2c2: i2c@4802a000 { + status = "okay"; + clock-frequency = <100000>; + + lis331dlh: lis331dlh@18 { + compatible = "st,lis331dlh", "st,lis3lv02d"; + reg = <0x18>; + Vdd-supply = <&lis3_reg>; + Vdd_IO-supply = <&lis3_reg>; + + st,click-single-x; + st,click-single-y; + st,click-single-z; + st,click-thresh-x = <10>; + st,click-thresh-y = <10>; + st,click-thresh-z = <10>; + st,irq1-click; + st,irq2-click; + st,wakeup-x-lo; + st,wakeup-x-hi; + st,wakeup-y-lo; + st,wakeup-y-hi; + st,wakeup-z-lo; + st,wakeup-z-hi; + st,min-limit-x = <120>; + st,min-limit-y = <120>; + st,min-limit-z = <140>; + st,max-limit-x = <550>; + st,max-limit-y = <550>; + st,max-limit-z = <750>; + }; + + tsl2550: tsl2550@39 { + compatible = "taos,tsl2550"; + reg = <0x39>; + }; + + tmp275: tmp275@48 { + compatible = "ti,tmp275"; + reg = <0x48>; + }; + }; }; vbat: fixedregulator@0 { @@ -40,6 +111,53 @@ regulator-max-microvolt = <5000000>; regulator-boot-on; }; + + lis3_reg: fixedregulator@1 { + compatible = "regulator-fixed"; + regulator-name = "lis3_reg"; + regulator-boot-on; + }; + + matrix_keypad: matrix_keypad@0 { + compatible = "gpio-matrix-keypad"; + debounce-delay-ms = <5>; + col-scan-delay-us = <2>; + + row-gpios = <&gpio2 25 0 /* Bank1, pin25 */ + &gpio2 26 0 /* Bank1, pin26 */ + &gpio2 27 0>; /* Bank1, pin27 */ + + col-gpios = <&gpio2 21 0 /* Bank1, pin21 */ + &gpio2 22 0>; /* Bank1, pin22 */ + + linux,keymap = <0x0000008b /* MENU */ + 0x0100009e /* BACK */ + 0x02000069 /* LEFT */ + 0x0001006a /* RIGHT */ + 0x0101001c /* ENTER */ + 0x0201006c>; /* DOWN */ + }; + + gpio_keys: volume_keys@0 { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + autorepeat; + + switch@9 { + label = "volume-up"; + linux,code = <115>; + gpios = <&gpio1 2 1>; + gpio-key,wakeup; + }; + + switch@10 { + label = "volume-down"; + linux,code = <114>; + gpios = <&gpio1 3 1>; + gpio-key,wakeup; + }; + }; }; /include/ "tps65910.dtsi" diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts new file mode 100644 index 0000000..f5a6162 --- /dev/null +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -0,0 +1,250 @@ +/* + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + * + * 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. + */ + +/* + * AM335x Starter Kit + * http://www.ti.com/tool/tmdssk3358 + */ + +/dts-v1/; + +/include/ "am33xx.dtsi" + +/ { + model = "TI AM335x EVM-SK"; + compatible = "ti,am335x-evmsk", "ti,am33xx"; + + cpus { + cpu@0 { + cpu0-supply = <&vdd1_reg>; + }; + }; + + memory { + device_type = "memory"; + reg = <0x80000000 0x10000000>; /* 256 MB */ + }; + + am33xx_pinmux: pinmux@44e10800 { + pinctrl-names = "default"; + pinctrl-0 = <&user_leds_s0 &gpio_keys_s0>; + + user_leds_s0: user_leds_s0 { + pinctrl-single,pins = < + 0x10 0x7 /* gpmc_ad4.gpio1_4, OUTPUT | MODE7 */ + 0x14 0x7 /* gpmc_ad5.gpio1_5, OUTPUT | MODE7 */ + 0x18 0x7 /* gpmc_ad6.gpio1_6, OUTPUT | MODE7 */ + 0x1c 0x7 /* gpmc_ad7.gpio1_7, OUTPUT | MODE7 */ + >; + }; + + gpio_keys_s0: gpio_keys_s0 { + pinctrl-single,pins = < + 0x94 0x27 /* gpmc_oen_ren.gpio2_3, INPUT | MODE7 */ + 0x90 0x27 /* gpmc_advn_ale.gpio2_2, INPUT | MODE7 */ + 0x70 0x27 /* gpmc_wait0.gpio0_30, INPUT | MODE7 */ + 0x9c 0x27 /* gpmc_ben0_cle.gpio2_5, INPUT | MODE7 */ + >; + }; + }; + + ocp { + uart1: serial@44e09000 { + status = "okay"; + }; + + i2c1: i2c@44e0b000 { + status = "okay"; + clock-frequency = <400000>; + + tps: tps@2d { + reg = <0x2d>; + }; + + lis331dlh: lis331dlh@18 { + compatible = "st,lis331dlh", "st,lis3lv02d"; + reg = <0x18>; + Vdd-supply = <&lis3_reg>; + Vdd_IO-supply = <&lis3_reg>; + + st,click-single-x; + st,click-single-y; + st,click-single-z; + st,click-thresh-x = <10>; + st,click-thresh-y = <10>; + st,click-thresh-z = <10>; + st,irq1-click; + st,irq2-click; + st,wakeup-x-lo; + st,wakeup-x-hi; + st,wakeup-y-lo; + st,wakeup-y-hi; + st,wakeup-z-lo; + st,wakeup-z-hi; + st,min-limit-x = <120>; + st,min-limit-y = <120>; + st,min-limit-z = <140>; + st,max-limit-x = <550>; + st,max-limit-y = <550>; + st,max-limit-z = <750>; + }; + }; + }; + + vbat: fixedregulator@0 { + compatible = "regulator-fixed"; + regulator-name = "vbat"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-boot-on; + }; + + lis3_reg: fixedregulator@1 { + compatible = "regulator-fixed"; + regulator-name = "lis3_reg"; + regulator-boot-on; + }; + + leds { + compatible = "gpio-leds"; + + led@1 { + label = "evmsk:green:usr0"; + gpios = <&gpio2 4 0>; + default-state = "off"; + }; + + led@2 { + label = "evmsk:green:usr1"; + gpios = <&gpio2 5 0>; + default-state = "off"; + }; + + led@3 { + label = "evmsk:green:mmc0"; + gpios = <&gpio2 6 0>; + linux,default-trigger = "mmc0"; + default-state = "off"; + }; + + led@4 { + label = "evmsk:green:heartbeat"; + gpios = <&gpio2 7 0>; + linux,default-trigger = "heartbeat"; + default-state = "off"; + }; + }; + + gpio_buttons: gpio_buttons@0 { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + + switch@1 { + label = "button0"; + linux,code = <0x100>; + gpios = <&gpio3 3 0>; + }; + + switch@2 { + label = "button1"; + linux,code = <0x101>; + gpios = <&gpio3 2 0>; + }; + + switch@3 { + label = "button2"; + linux,code = <0x102>; + gpios = <&gpio1 30 0>; + gpio-key,wakeup; + }; + + switch@4 { + label = "button3"; + linux,code = <0x103>; + gpios = <&gpio3 5 0>; + }; + }; +}; + +/include/ "tps65910.dtsi" + +&tps { + vcc1-supply = <&vbat>; + vcc2-supply = <&vbat>; + vcc3-supply = <&vbat>; + vcc4-supply = <&vbat>; + vcc5-supply = <&vbat>; + vcc6-supply = <&vbat>; + vcc7-supply = <&vbat>; + vccio-supply = <&vbat>; + + regulators { + vrtc_reg: regulator@0 { + regulator-always-on; + }; + + vio_reg: regulator@1 { + regulator-always-on; + }; + + vdd1_reg: regulator@2 { + /* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */ + regulator-name = "vdd_mpu"; + regulator-min-microvolt = <912500>; + regulator-max-microvolt = <1312500>; + regulator-boot-on; + regulator-always-on; + }; + + vdd2_reg: regulator@3 { + /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */ + regulator-name = "vdd_core"; + regulator-min-microvolt = <912500>; + regulator-max-microvolt = <1150000>; + regulator-boot-on; + regulator-always-on; + }; + + vdd3_reg: regulator@4 { + regulator-always-on; + }; + + vdig1_reg: regulator@5 { + regulator-always-on; + }; + + vdig2_reg: regulator@6 { + regulator-always-on; + }; + + vpll_reg: regulator@7 { + regulator-always-on; + }; + + vdac_reg: regulator@8 { + regulator-always-on; + }; + + vaux1_reg: regulator@9 { + regulator-always-on; + }; + + vaux2_reg: regulator@10 { + regulator-always-on; + }; + + vaux33_reg: regulator@11 { + regulator-always-on; + }; + + vmmc_reg: regulator@12 { + regulator-always-on; + }; + }; +}; diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index bb31bff..20a3f29 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -12,6 +12,7 @@ / { compatible = "ti,am33xx"; + interrupt-parent = <&intc>; aliases { serial0 = &uart1; @@ -25,6 +26,21 @@ cpus { cpu@0 { compatible = "arm,cortex-a8"; + + /* + * To consider voltage drop between PMIC and SoC, + * tolerance value is reduced to 2% from 4% and + * voltage value is increased as a precaution. + */ + operating-points = < + /* kHz uV */ + 720000 1285000 + 600000 1225000 + 500000 1125000 + 275000 1125000 + >; + voltage-tolerance = <2>; /* 2 percentage */ + clock-latency = <300000>; /* From omap-cpufreq driver */ }; }; @@ -40,6 +56,15 @@ }; }; + am33xx_pinmux: pinmux@44e10800 { + compatible = "pinctrl-single"; + reg = <0x44e10800 0x0238>; + #address-cells = <1>; + #size-cells = <0>; + pinctrl-single,register-width = <32>; + pinctrl-single,function-mask = <0x7f>; + }; + /* * XXX: Use a flat representation of the AM33XX interconnect. * The real AM33XX interconnect network is quite complex.Since @@ -70,7 +95,6 @@ interrupt-controller; #interrupt-cells = <1>; reg = <0x44e07000 0x1000>; - interrupt-parent = <&intc>; interrupts = <96>; }; @@ -82,7 +106,6 @@ interrupt-controller; #interrupt-cells = <1>; reg = <0x4804c000 0x1000>; - interrupt-parent = <&intc>; interrupts = <98>; }; @@ -94,7 +117,6 @@ interrupt-controller; #interrupt-cells = <1>; reg = <0x481ac000 0x1000>; - interrupt-parent = <&intc>; interrupts = <32>; }; @@ -106,7 +128,6 @@ interrupt-controller; #interrupt-cells = <1>; reg = <0x481ae000 0x1000>; - interrupt-parent = <&intc>; interrupts = <62>; }; @@ -115,7 +136,6 @@ ti,hwmods = "uart1"; clock-frequency = <48000000>; reg = <0x44e09000 0x2000>; - interrupt-parent = <&intc>; interrupts = <72>; status = "disabled"; }; @@ -125,7 +145,6 @@ ti,hwmods = "uart2"; clock-frequency = <48000000>; reg = <0x48022000 0x2000>; - interrupt-parent = <&intc>; interrupts = <73>; status = "disabled"; }; @@ -135,7 +154,6 @@ ti,hwmods = "uart3"; clock-frequency = <48000000>; reg = <0x48024000 0x2000>; - interrupt-parent = <&intc>; interrupts = <74>; status = "disabled"; }; @@ -145,7 +163,6 @@ ti,hwmods = "uart4"; clock-frequency = <48000000>; reg = <0x481a6000 0x2000>; - interrupt-parent = <&intc>; interrupts = <44>; status = "disabled"; }; @@ -155,7 +172,6 @@ ti,hwmods = "uart5"; clock-frequency = <48000000>; reg = <0x481a8000 0x2000>; - interrupt-parent = <&intc>; interrupts = <45>; status = "disabled"; }; @@ -165,7 +181,6 @@ ti,hwmods = "uart6"; clock-frequency = <48000000>; reg = <0x481aa000 0x2000>; - interrupt-parent = <&intc>; interrupts = <46>; status = "disabled"; }; @@ -176,7 +191,6 @@ #size-cells = <0>; ti,hwmods = "i2c1"; reg = <0x44e0b000 0x1000>; - interrupt-parent = <&intc>; interrupts = <70>; status = "disabled"; }; @@ -187,7 +201,6 @@ #size-cells = <0>; ti,hwmods = "i2c2"; reg = <0x4802a000 0x1000>; - interrupt-parent = <&intc>; interrupts = <71>; status = "disabled"; }; @@ -198,7 +211,6 @@ #size-cells = <0>; ti,hwmods = "i2c3"; reg = <0x4819c000 0x1000>; - interrupt-parent = <&intc>; interrupts = <30>; status = "disabled"; }; @@ -207,8 +219,124 @@ compatible = "ti,omap3-wdt"; ti,hwmods = "wd_timer2"; reg = <0x44e35000 0x1000>; - interrupt-parent = <&intc>; interrupts = <91>; }; + + dcan0: d_can@481cc000 { + compatible = "bosch,d_can"; + ti,hwmods = "d_can0"; + reg = <0x481cc000 0x2000>; + interrupts = <52>; + status = "disabled"; + }; + + dcan1: d_can@481d0000 { + compatible = "bosch,d_can"; + ti,hwmods = "d_can1"; + reg = <0x481d0000 0x2000>; + interrupts = <55>; + status = "disabled"; + }; + + timer1: timer@44e31000 { + compatible = "ti,omap2-timer"; + reg = <0x44e31000 0x400>; + interrupts = <67>; + ti,hwmods = "timer1"; + ti,timer-alwon; + }; + + timer2: timer@48040000 { + compatible = "ti,omap2-timer"; + reg = <0x48040000 0x400>; + interrupts = <68>; + ti,hwmods = "timer2"; + }; + + timer3: timer@48042000 { + compatible = "ti,omap2-timer"; + reg = <0x48042000 0x400>; + interrupts = <69>; + ti,hwmods = "timer3"; + }; + + timer4: timer@48044000 { + compatible = "ti,omap2-timer"; + reg = <0x48044000 0x400>; + interrupts = <92>; + ti,hwmods = "timer4"; + ti,timer-pwm; + }; + + timer5: timer@48046000 { + compatible = "ti,omap2-timer"; + reg = <0x48046000 0x400>; + interrupts = <93>; + ti,hwmods = "timer5"; + ti,timer-pwm; + }; + + timer6: timer@48048000 { + compatible = "ti,omap2-timer"; + reg = <0x48048000 0x400>; + interrupts = <94>; + ti,hwmods = "timer6"; + ti,timer-pwm; + }; + + timer7: timer@4804a000 { + compatible = "ti,omap2-timer"; + reg = <0x4804a000 0x400>; + interrupts = <95>; + ti,hwmods = "timer7"; + ti,timer-pwm; + }; + + rtc@44e3e000 { + compatible = "ti,da830-rtc"; + reg = <0x44e3e000 0x1000>; + interrupts = <75 + 76>; + ti,hwmods = "rtc"; + }; + + spi0: spi@48030000 { + compatible = "ti,omap4-mcspi"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x48030000 0x400>; + interrupt = <65>; + ti,spi-num-cs = <2>; + ti,hwmods = "spi0"; + status = "disabled"; + }; + + spi1: spi@481a0000 { + compatible = "ti,omap4-mcspi"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x481a0000 0x400>; + interrupt = <125>; + ti,spi-num-cs = <2>; + ti,hwmods = "spi1"; + status = "disabled"; + }; + + usb@47400000 { + compatible = "ti,musb-am33xx"; + reg = <0x47400000 0x1000 /* usbss */ + 0x47401000 0x800 /* musb instance 0 */ + 0x47401800 0x800>; /* musb instance 1 */ + interrupts = <17 /* usbss */ + 18 /* musb instance 0 */ + 19>; /* musb instance 1 */ + multipoint = <1>; + num-eps = <16>; + ram-bits = <12>; + port0-mode = <3>; + port1-mode = <3>; + power = <250>; + ti,hwmods = "usb_otg_hs"; + }; }; }; diff --git a/arch/arm/boot/dts/omap2.dtsi b/arch/arm/boot/dts/omap2.dtsi index 581cb08..761c4b6 100644 --- a/arch/arm/boot/dts/omap2.dtsi +++ b/arch/arm/boot/dts/omap2.dtsi @@ -12,6 +12,7 @@ / { compatible = "ti,omap2430", "ti,omap2420", "ti,omap2"; + interrupt-parent = <&intc>; aliases { serial0 = &uart1; @@ -65,5 +66,90 @@ ti,hwmods = "uart3"; clock-frequency = <48000000>; }; + + timer2: timer@4802a000 { + compatible = "ti,omap2-timer"; + reg = <0x4802a000 0x400>; + interrupts = <38>; + ti,hwmods = "timer2"; + }; + + timer3: timer@48078000 { + compatible = "ti,omap2-timer"; + reg = <0x48078000 0x400>; + interrupts = <39>; + ti,hwmods = "timer3"; + }; + + timer4: timer@4807a000 { + compatible = "ti,omap2-timer"; + reg = <0x4807a000 0x400>; + interrupts = <40>; + ti,hwmods = "timer4"; + }; + + timer5: timer@4807c000 { + compatible = "ti,omap2-timer"; + reg = <0x4807c000 0x400>; + interrupts = <41>; + ti,hwmods = "timer5"; + ti,timer-dsp; + }; + + timer6: timer@4807e000 { + compatible = "ti,omap2-timer"; + reg = <0x4807e000 0x400>; + interrupts = <42>; + ti,hwmods = "timer6"; + ti,timer-dsp; + }; + + timer7: timer@48080000 { + compatible = "ti,omap2-timer"; + reg = <0x48080000 0x400>; + interrupts = <43>; + ti,hwmods = "timer7"; + ti,timer-dsp; + }; + + timer8: timer@48082000 { + compatible = "ti,omap2-timer"; + reg = <0x48082000 0x400>; + interrupts = <44>; + ti,hwmods = "timer8"; + ti,timer-dsp; + }; + + timer9: timer@48084000 { + compatible = "ti,omap2-timer"; + reg = <0x48084000 0x400>; + interrupts = <45>; + ti,hwmods = "timer9"; + ti,timer-pwm; + }; + + timer10: timer@48086000 { + compatible = "ti,omap2-timer"; + reg = <0x48086000 0x400>; + interrupts = <46>; + ti,hwmods = "timer10"; + ti,timer-pwm; + }; + + timer11: timer@48088000 { + compatible = "ti,omap2-timer"; + reg = <0x48088000 0x400>; + interrupts = <47>; + ti,hwmods = "timer11"; + ti,timer-pwm; + }; + + timer12: timer@4808a000 { + compatible = "ti,omap2-timer"; + reg = <0x4808a000 0x400>; + interrupts = <48>; + ti,hwmods = "timer12"; + ti,timer-pwm; + }; }; }; diff --git a/arch/arm/boot/dts/omap2420.dtsi b/arch/arm/boot/dts/omap2420.dtsi index bfd76b4..af65609 100644 --- a/arch/arm/boot/dts/omap2420.dtsi +++ b/arch/arm/boot/dts/omap2420.dtsi @@ -14,6 +14,12 @@ compatible = "ti,omap2420", "ti,omap2"; ocp { + counter32k: counter@48004000 { + compatible = "ti,omap-counter32k"; + reg = <0x48004000 0x20>; + ti,hwmods = "counter_32k"; + }; + omap2420_pmx: pinmux@48000030 { compatible = "ti,omap2420-padconf", "pinctrl-single"; reg = <0x48000030 0x0113>; @@ -30,7 +36,6 @@ interrupts = <59>, /* TX interrupt */ <60>; /* RX interrupt */ interrupt-names = "tx", "rx"; - interrupt-parent = <&intc>; ti,hwmods = "mcbsp1"; }; @@ -41,8 +46,15 @@ interrupts = <62>, /* TX interrupt */ <63>; /* RX interrupt */ interrupt-names = "tx", "rx"; - interrupt-parent = <&intc>; ti,hwmods = "mcbsp2"; }; + + timer1: timer@48028000 { + compatible = "ti,omap2-timer"; + reg = <0x48028000 0x400>; + interrupts = <37>; + ti,hwmods = "timer1"; + ti,timer-alwon; + }; }; }; diff --git a/arch/arm/boot/dts/omap2430.dtsi b/arch/arm/boot/dts/omap2430.dtsi index 4565d97..c392445 100644 --- a/arch/arm/boot/dts/omap2430.dtsi +++ b/arch/arm/boot/dts/omap2430.dtsi @@ -14,6 +14,12 @@ compatible = "ti,omap2430", "ti,omap2"; ocp { + counter32k: counter@49020000 { + compatible = "ti,omap-counter32k"; + reg = <0x49020000 0x20>; + ti,hwmods = "counter_32k"; + }; + omap2430_pmx: pinmux@49002030 { compatible = "ti,omap2430-padconf", "pinctrl-single"; reg = <0x49002030 0x0154>; @@ -32,7 +38,6 @@ <60>, /* RX interrupt */ <61>; /* RX overflow interrupt */ interrupt-names = "common", "tx", "rx", "rx_overflow"; - interrupt-parent = <&intc>; ti,buffer-size = <128>; ti,hwmods = "mcbsp1"; }; @@ -45,7 +50,6 @@ <62>, /* TX interrupt */ <63>; /* RX interrupt */ interrupt-names = "common", "tx", "rx"; - interrupt-parent = <&intc>; ti,buffer-size = <128>; ti,hwmods = "mcbsp2"; }; @@ -58,7 +62,6 @@ <89>, /* TX interrupt */ <90>; /* RX interrupt */ interrupt-names = "common", "tx", "rx"; - interrupt-parent = <&intc>; ti,buffer-size = <128>; ti,hwmods = "mcbsp3"; }; @@ -71,7 +74,6 @@ <54>, /* TX interrupt */ <55>; /* RX interrupt */ interrupt-names = "common", "tx", "rx"; - interrupt-parent = <&intc>; ti,buffer-size = <128>; ti,hwmods = "mcbsp4"; }; @@ -84,9 +86,16 @@ <81>, /* TX interrupt */ <82>; /* RX interrupt */ interrupt-names = "common", "tx", "rx"; - interrupt-parent = <&intc>; ti,buffer-size = <128>; ti,hwmods = "mcbsp5"; }; + + timer1: timer@49018000 { + compatible = "ti,omap2-timer"; + reg = <0x49018000 0x400>; + interrupts = <37>; + ti,hwmods = "timer1"; + ti,timer-alwon; + }; }; }; diff --git a/arch/arm/boot/dts/omap3-beagle-xm.dts b/arch/arm/boot/dts/omap3-beagle-xm.dts index c38cf76..3705a81 100644 --- a/arch/arm/boot/dts/omap3-beagle-xm.dts +++ b/arch/arm/boot/dts/omap3-beagle-xm.dts @@ -55,12 +55,6 @@ interrupts = <7>; /* SYS_NIRQ cascaded to intc */ interrupt-parent = <&intc>; - vsim: regulator-vsim { - compatible = "ti,twl4030-vsim"; - regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <3000000>; - }; - twl_audio: audio { compatible = "ti,twl4030-audio"; codec { diff --git a/arch/arm/boot/dts/omap3-beagle.dts b/arch/arm/boot/dts/omap3-beagle.dts new file mode 100644 index 0000000..f624dc8 --- /dev/null +++ b/arch/arm/boot/dts/omap3-beagle.dts @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + * + * 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. + */ +/dts-v1/; + +/include/ "omap3.dtsi" + +/ { + model = "TI OMAP3 BeagleBoard"; + compatible = "ti,omap3-beagle", "ti,omap3"; + + memory { + device_type = "memory"; + reg = <0x80000000 0x10000000>; /* 256 MB */ + }; + + leds { + compatible = "gpio-leds"; + pmu_stat { + label = "beagleboard::pmu_stat"; + gpios = <&twl_gpio 19 0>; /* LEDB */ + }; + + heartbeat { + label = "beagleboard::usr0"; + gpios = <&gpio5 22 0>; /* 150 -> D6 LED */ + linux,default-trigger = "heartbeat"; + }; + + mmc { + label = "beagleboard::usr1"; + gpios = <&gpio5 21 0>; /* 149 -> D7 LED */ + linux,default-trigger = "mmc0"; + }; + }; + +}; + +&i2c1 { + clock-frequency = <2600000>; + + twl: twl@48 { + reg = <0x48>; + interrupts = <7>; /* SYS_NIRQ cascaded to intc */ + interrupt-parent = <&intc>; + }; +}; + +/include/ "twl4030.dtsi" + +&mmc1 { + vmmc-supply = <&vmmc1>; + vmmc_aux-supply = <&vsim>; + bus-width = <8>; +}; + +&mmc2 { + status = "disabled"; +}; + +&mmc3 { + status = "disabled"; +}; diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi index 696e929..1acc261 100644 --- a/arch/arm/boot/dts/omap3.dtsi +++ b/arch/arm/boot/dts/omap3.dtsi @@ -12,6 +12,7 @@ / { compatible = "ti,omap3430", "ti,omap3"; + interrupt-parent = <&intc>; aliases { serial0 = &uart1; @@ -60,6 +61,12 @@ ranges; ti,hwmods = "l3_main"; + counter32k: counter@48320000 { + compatible = "ti,omap-counter32k"; + reg = <0x48320000 0x20>; + ti,hwmods = "counter_32k"; + }; + intc: interrupt-controller@48200000 { compatible = "ti,omap2-intc"; interrupt-controller; @@ -240,7 +247,6 @@ <59>, /* TX interrupt */ <60>; /* RX interrupt */ interrupt-names = "common", "tx", "rx"; - interrupt-parent = <&intc>; ti,buffer-size = <128>; ti,hwmods = "mcbsp1"; }; @@ -255,7 +261,6 @@ <63>, /* RX interrupt */ <4>; /* Sidetone */ interrupt-names = "common", "tx", "rx", "sidetone"; - interrupt-parent = <&intc>; ti,buffer-size = <1280>; ti,hwmods = "mcbsp2", "mcbsp2_sidetone"; }; @@ -270,7 +275,6 @@ <90>, /* RX interrupt */ <5>; /* Sidetone */ interrupt-names = "common", "tx", "rx", "sidetone"; - interrupt-parent = <&intc>; ti,buffer-size = <128>; ti,hwmods = "mcbsp3", "mcbsp3_sidetone"; }; @@ -283,7 +287,6 @@ <54>, /* TX interrupt */ <55>; /* RX interrupt */ interrupt-names = "common", "tx", "rx"; - interrupt-parent = <&intc>; ti,buffer-size = <128>; ti,hwmods = "mcbsp4"; }; @@ -296,9 +299,103 @@ <81>, /* TX interrupt */ <82>; /* RX interrupt */ interrupt-names = "common", "tx", "rx"; - interrupt-parent = <&intc>; ti,buffer-size = <128>; ti,hwmods = "mcbsp5"; }; + + timer1: timer@48318000 { + compatible = "ti,omap2-timer"; + reg = <0x48318000 0x400>; + interrupts = <37>; + ti,hwmods = "timer1"; + ti,timer-alwon; + }; + + timer2: timer@49032000 { + compatible = "ti,omap2-timer"; + reg = <0x49032000 0x400>; + interrupts = <38>; + ti,hwmods = "timer2"; + }; + + timer3: timer@49034000 { + compatible = "ti,omap2-timer"; + reg = <0x49034000 0x400>; + interrupts = <39>; + ti,hwmods = "timer3"; + }; + + timer4: timer@49036000 { + compatible = "ti,omap2-timer"; + reg = <0x49036000 0x400>; + interrupts = <40>; + ti,hwmods = "timer4"; + }; + + timer5: timer@49038000 { + compatible = "ti,omap2-timer"; + reg = <0x49038000 0x400>; + interrupts = <41>; + ti,hwmods = "timer5"; + ti,timer-dsp; + }; + + timer6: timer@4903a000 { + compatible = "ti,omap2-timer"; + reg = <0x4903a000 0x400>; + interrupts = <42>; + ti,hwmods = "timer6"; + ti,timer-dsp; + }; + + timer7: timer@4903c000 { + compatible = "ti,omap2-timer"; + reg = <0x4903c000 0x400>; + interrupts = <43>; + ti,hwmods = "timer7"; + ti,timer-dsp; + }; + + timer8: timer@4903e000 { + compatible = "ti,omap2-timer"; + reg = <0x4903e000 0x400>; + interrupts = <44>; + ti,hwmods = "timer8"; + ti,timer-pwm; + ti,timer-dsp; + }; + + timer9: timer@49040000 { + compatible = "ti,omap2-timer"; + reg = <0x49040000 0x400>; + interrupts = <45>; + ti,hwmods = "timer9"; + ti,timer-pwm; + }; + + timer10: timer@48086000 { + compatible = "ti,omap2-timer"; + reg = <0x48086000 0x400>; + interrupts = <46>; + ti,hwmods = "timer10"; + ti,timer-pwm; + }; + + timer11: timer@48088000 { + compatible = "ti,omap2-timer"; + reg = <0x48088000 0x400>; + interrupts = <47>; + ti,hwmods = "timer11"; + ti,timer-pwm; + }; + + timer12: timer@48304000 { + compatible = "ti,omap2-timer"; + reg = <0x48304000 0x400>; + interrupts = <95>; + ti,hwmods = "timer12"; + ti,timer-alwon; + ti,timer-secure; + }; }; }; diff --git a/arch/arm/boot/dts/omap4-panda-a4.dts b/arch/arm/boot/dts/omap4-panda-a4.dts new file mode 100644 index 0000000..75466d2 --- /dev/null +++ b/arch/arm/boot/dts/omap4-panda-a4.dts @@ -0,0 +1,17 @@ +/* + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + * + * 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/ "omap4-panda.dts" + +/* Pandaboard Rev A4+ have external pullups on SCL & SDA */ +&dss_hdmi_pins { + pinctrl-single,pins = < + 0x5a 0x118 /* hdmi_cec.hdmi_cec INPUT PULLUP | MODE 0 */ + 0x5c 0x100 /* hdmi_scl.hdmi_scl INPUT | MODE 0 */ + 0x5e 0x100 /* hdmi_sda.hdmi_sda INPUT | MODE 0 */ + >; +}; diff --git a/arch/arm/boot/dts/omap4-pandaES.dts b/arch/arm/boot/dts/omap4-panda-es.dts index d4ba43a..73bc1a6 100644 --- a/arch/arm/boot/dts/omap4-pandaES.dts +++ b/arch/arm/boot/dts/omap4-panda-es.dts @@ -22,3 +22,12 @@ "AFML", "Line In", "AFMR", "Line In"; }; + +/* PandaboardES has external pullups on SCL & SDA */ +&dss_hdmi_pins { + pinctrl-single,pins = < + 0x5a 0x118 /* hdmi_cec.hdmi_cec INPUT PULLUP | MODE 0 */ + 0x5c 0x100 /* hdmi_scl.hdmi_scl INPUT | MODE 0 */ + 0x5e 0x100 /* hdmi_sda.hdmi_sda INPUT | MODE 0 */ + >; +}; diff --git a/arch/arm/boot/dts/omap4-panda.dts b/arch/arm/boot/dts/omap4-panda.dts index e8f927c..4122efe 100644 --- a/arch/arm/boot/dts/omap4-panda.dts +++ b/arch/arm/boot/dts/omap4-panda.dts @@ -65,6 +65,8 @@ &twl6040_pins &mcpdm_pins &mcbsp1_pins + &dss_hdmi_pins + &tpd12s015_pins >; twl6040_pins: pinmux_twl6040_pins { @@ -92,6 +94,22 @@ 0xc4 0x100 /* abe_mcbsp1_fsx.abe_mcbsp1_fsx INPUT | MODE0 */ >; }; + + dss_hdmi_pins: pinmux_dss_hdmi_pins { + pinctrl-single,pins = < + 0x5a 0x118 /* hdmi_cec.hdmi_cec INPUT PULLUP | MODE 0 */ + 0x5c 0x118 /* hdmi_scl.hdmi_scl INPUT PULLUP | MODE 0 */ + 0x5e 0x118 /* hdmi_sda.hdmi_sda INPUT PULLUP | MODE 0 */ + >; + }; + + tpd12s015_pins: pinmux_tpd12s015_pins { + pinctrl-single,pins = < + 0x22 0x3 /* gpmc_a17.gpio_41 OUTPUT | MODE3 */ + 0x48 0x3 /* gpmc_nbe1.gpio_60 OUTPUT | MODE3 */ + 0x58 0x10b /* hdmi_hpd.gpio_63 INPUT PULLDOWN | MODE3 */ + >; + }; }; &i2c1 { @@ -184,3 +202,7 @@ &dmic { status = "disabled"; }; + +&twl_usb_comparator { + usb-supply = <&vusb>; +}; diff --git a/arch/arm/boot/dts/omap4-sdp-es23plus.dts b/arch/arm/boot/dts/omap4-sdp-es23plus.dts new file mode 100644 index 0000000..b4a40ff --- /dev/null +++ b/arch/arm/boot/dts/omap4-sdp-es23plus.dts @@ -0,0 +1,17 @@ +/* + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + * + * 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/ "omap4-sdp.dts" + +/* SDP boards with 4430 ES2.3+ or 4460 have external pullups on SCL & SDA */ +&dss_hdmi_pins { + pinctrl-single,pins = < + 0x5a 0x118 /* hdmi_cec.hdmi_cec INPUT PULLUP | MODE 0 */ + 0x5c 0x100 /* hdmi_scl.hdmi_scl INPUT | MODE 0 */ + 0x5e 0x100 /* hdmi_sda.hdmi_sda INPUT | MODE 0 */ + >; +}; diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts index 5b7e04f..43e5258 100644 --- a/arch/arm/boot/dts/omap4-sdp.dts +++ b/arch/arm/boot/dts/omap4-sdp.dts @@ -124,6 +124,8 @@ &dmic_pins &mcbsp1_pins &mcbsp2_pins + &dss_hdmi_pins + &tpd12s015_pins >; uart2_pins: pinmux_uart2_pins { @@ -194,6 +196,22 @@ 0xbc 0x100 /* abe_mcbsp2_fsx.abe_mcbsp2_fsx INPUT | MODE0 */ >; }; + + dss_hdmi_pins: pinmux_dss_hdmi_pins { + pinctrl-single,pins = < + 0x5a 0x118 /* hdmi_cec.hdmi_cec INPUT PULLUP | MODE 0 */ + 0x5c 0x118 /* hdmi_scl.hdmi_scl INPUT PULLUP | MODE 0 */ + 0x5e 0x118 /* hdmi_sda.hdmi_sda INPUT PULLUP | MODE 0 */ + >; + }; + + tpd12s015_pins: pinmux_tpd12s015_pins { + pinctrl-single,pins = < + 0x22 0x3 /* gpmc_a17.gpio_41 OUTPUT | MODE3 */ + 0x48 0x3 /* gpmc_nbe1.gpio_60 OUTPUT | MODE3 */ + 0x58 0x10b /* hdmi_hpd.gpio_63 INPUT PULLDOWN | MODE3 */ + >; + }; }; &i2c1 { @@ -406,3 +424,7 @@ &mcbsp3 { status = "disabled"; }; + +&twl_usb_comparator { + usb-supply = <&vusb>; +}; diff --git a/arch/arm/boot/dts/omap4-var_som.dts b/arch/arm/boot/dts/omap4-var-som.dts index 6601e6a..6601e6a 100644 --- a/arch/arm/boot/dts/omap4-var_som.dts +++ b/arch/arm/boot/dts/omap4-var-som.dts diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi index 3883f94..739bb79 100644 --- a/arch/arm/boot/dts/omap4.dtsi +++ b/arch/arm/boot/dts/omap4.dtsi @@ -95,6 +95,12 @@ ranges; ti,hwmods = "l3_main_1", "l3_main_2", "l3_main_3"; + counter32k: counter@4a304000 { + compatible = "ti,omap-counter32k"; + reg = <0x4a304000 0x20>; + ti,hwmods = "counter_32k"; + }; + omap4_pmx_core: pinmux@4a100040 { compatible = "ti,omap4-padconf", "pinctrl-single"; reg = <0x4a100040 0x0196>; @@ -340,7 +346,6 @@ <0x49032000 0x7f>; /* L3 Interconnect */ reg-names = "mpu", "dma"; interrupts = <0 112 0x4>; - interrupt-parent = <&gic>; ti,hwmods = "mcpdm"; }; @@ -350,7 +355,6 @@ <0x4902e000 0x7f>; /* L3 Interconnect */ reg-names = "mpu", "dma"; interrupts = <0 114 0x4>; - interrupt-parent = <&gic>; ti,hwmods = "dmic"; }; @@ -361,7 +365,6 @@ reg-names = "mpu", "dma"; interrupts = <0 17 0x4>; interrupt-names = "common"; - interrupt-parent = <&gic>; ti,buffer-size = <128>; ti,hwmods = "mcbsp1"; }; @@ -373,7 +376,6 @@ reg-names = "mpu", "dma"; interrupts = <0 22 0x4>; interrupt-names = "common"; - interrupt-parent = <&gic>; ti,buffer-size = <128>; ti,hwmods = "mcbsp2"; }; @@ -385,7 +387,6 @@ reg-names = "mpu", "dma"; interrupts = <0 23 0x4>; interrupt-names = "common"; - interrupt-parent = <&gic>; ti,buffer-size = <128>; ti,hwmods = "mcbsp3"; }; @@ -396,7 +397,6 @@ reg-names = "mpu"; interrupts = <0 16 0x4>; interrupt-names = "common"; - interrupt-parent = <&gic>; ti,buffer-size = <128>; ti,hwmods = "mcbsp4"; }; @@ -431,12 +431,103 @@ hw-caps-temp-alert; }; - ocp2scp { + ocp2scp@4a0ad000 { compatible = "ti,omap-ocp2scp"; + reg = <0x4a0ad000 0x1f>; #address-cells = <1>; #size-cells = <1>; ranges; ti,hwmods = "ocp2scp_usb_phy"; }; + + timer1: timer@4a318000 { + compatible = "ti,omap2-timer"; + reg = <0x4a318000 0x80>; + interrupts = <0 37 0x4>; + ti,hwmods = "timer1"; + ti,timer-alwon; + }; + + timer2: timer@48032000 { + compatible = "ti,omap2-timer"; + reg = <0x48032000 0x80>; + interrupts = <0 38 0x4>; + ti,hwmods = "timer2"; + }; + + timer3: timer@48034000 { + compatible = "ti,omap2-timer"; + reg = <0x48034000 0x80>; + interrupts = <0 39 0x4>; + ti,hwmods = "timer3"; + }; + + timer4: timer@48036000 { + compatible = "ti,omap2-timer"; + reg = <0x48036000 0x80>; + interrupts = <0 40 0x4>; + ti,hwmods = "timer4"; + }; + + timer5: timer@40138000 { + compatible = "ti,omap2-timer"; + reg = <0x40138000 0x80>, + <0x49038000 0x80>; + interrupts = <0 41 0x4>; + ti,hwmods = "timer5"; + ti,timer-dsp; + }; + + timer6: timer@4013a000 { + compatible = "ti,omap2-timer"; + reg = <0x4013a000 0x80>, + <0x4903a000 0x80>; + interrupts = <0 42 0x4>; + ti,hwmods = "timer6"; + ti,timer-dsp; + }; + + timer7: timer@4013c000 { + compatible = "ti,omap2-timer"; + reg = <0x4013c000 0x80>, + <0x4903c000 0x80>; + interrupts = <0 43 0x4>; + ti,hwmods = "timer7"; + ti,timer-dsp; + }; + + timer8: timer@4013e000 { + compatible = "ti,omap2-timer"; + reg = <0x4013e000 0x80>, + <0x4903e000 0x80>; + interrupts = <0 44 0x4>; + ti,hwmods = "timer8"; + ti,timer-pwm; + ti,timer-dsp; + }; + + timer9: timer@4803e000 { + compatible = "ti,omap2-timer"; + reg = <0x4803e000 0x80>; + interrupts = <0 45 0x4>; + ti,hwmods = "timer9"; + ti,timer-pwm; + }; + + timer10: timer@48086000 { + compatible = "ti,omap2-timer"; + reg = <0x48086000 0x80>; + interrupts = <0 46 0x4>; + ti,hwmods = "timer10"; + ti,timer-pwm; + }; + + timer11: timer@48088000 { + compatible = "ti,omap2-timer"; + reg = <0x48088000 0x80>; + interrupts = <0 47 0x4>; + ti,hwmods = "timer11"; + ti,timer-pwm; + }; }; }; diff --git a/arch/arm/boot/dts/omap5-evm.dts b/arch/arm/boot/dts/omap5-evm.dts index c663eba..8722c15 100644 --- a/arch/arm/boot/dts/omap5-evm.dts +++ b/arch/arm/boot/dts/omap5-evm.dts @@ -8,6 +8,7 @@ /dts-v1/; /include/ "omap5.dtsi" +/include/ "samsung_k3pe0e000b.dtsi" / { model = "TI OMAP5 EVM board"; @@ -15,7 +16,7 @@ memory { device_type = "memory"; - reg = <0x80000000 0x40000000>; /* 1 GB */ + reg = <0x80000000 0x80000000>; /* 2 GB */ }; vmmcsd_fixed: fixedregulator-mmcsd { @@ -140,3 +141,13 @@ &mcbsp3 { status = "disabled"; }; + +&emif1 { + cs1-used; + device-handle = <&samsung_K3PE0E000B>; +}; + +&emif2 { + cs1-used; + device-handle = <&samsung_K3PE0E000B>; +}; diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index 42c78be..790bb2a 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -77,6 +77,12 @@ ranges; ti,hwmods = "l3_main_1", "l3_main_2", "l3_main_3"; + counter32k: counter@4ae04000 { + compatible = "ti,omap-counter32k"; + reg = <0x4ae04000 0x40>; + ti,hwmods = "counter_32k"; + }; + omap5_pmx_core: pinmux@4a002840 { compatible = "ti,omap4-padconf", "pinctrl-single"; reg = <0x4a002840 0x01b6>; @@ -104,6 +110,8 @@ gpio1: gpio@4ae10000 { compatible = "ti,omap4-gpio"; + reg = <0x4ae10000 0x200>; + interrupts = <0 29 0x4>; ti,hwmods = "gpio1"; gpio-controller; #gpio-cells = <2>; @@ -113,6 +121,8 @@ gpio2: gpio@48055000 { compatible = "ti,omap4-gpio"; + reg = <0x48055000 0x200>; + interrupts = <0 30 0x4>; ti,hwmods = "gpio2"; gpio-controller; #gpio-cells = <2>; @@ -122,6 +132,8 @@ gpio3: gpio@48057000 { compatible = "ti,omap4-gpio"; + reg = <0x48057000 0x200>; + interrupts = <0 31 0x4>; ti,hwmods = "gpio3"; gpio-controller; #gpio-cells = <2>; @@ -131,6 +143,8 @@ gpio4: gpio@48059000 { compatible = "ti,omap4-gpio"; + reg = <0x48059000 0x200>; + interrupts = <0 32 0x4>; ti,hwmods = "gpio4"; gpio-controller; #gpio-cells = <2>; @@ -140,6 +154,8 @@ gpio5: gpio@4805b000 { compatible = "ti,omap4-gpio"; + reg = <0x4805b000 0x200>; + interrupts = <0 33 0x4>; ti,hwmods = "gpio5"; gpio-controller; #gpio-cells = <2>; @@ -149,6 +165,8 @@ gpio6: gpio@4805d000 { compatible = "ti,omap4-gpio"; + reg = <0x4805d000 0x200>; + interrupts = <0 34 0x4>; ti,hwmods = "gpio6"; gpio-controller; #gpio-cells = <2>; @@ -158,6 +176,8 @@ gpio7: gpio@48051000 { compatible = "ti,omap4-gpio"; + reg = <0x48051000 0x200>; + interrupts = <0 35 0x4>; ti,hwmods = "gpio7"; gpio-controller; #gpio-cells = <2>; @@ -167,6 +187,8 @@ gpio8: gpio@48053000 { compatible = "ti,omap4-gpio"; + reg = <0x48053000 0x200>; + interrupts = <0 121 0x4>; ti,hwmods = "gpio8"; gpio-controller; #gpio-cells = <2>; @@ -176,6 +198,8 @@ i2c1: i2c@48070000 { compatible = "ti,omap4-i2c"; + reg = <0x48070000 0x100>; + interrupts = <0 56 0x4>; #address-cells = <1>; #size-cells = <0>; ti,hwmods = "i2c1"; @@ -183,6 +207,8 @@ i2c2: i2c@48072000 { compatible = "ti,omap4-i2c"; + reg = <0x48072000 0x100>; + interrupts = <0 57 0x4>; #address-cells = <1>; #size-cells = <0>; ti,hwmods = "i2c2"; @@ -190,20 +216,26 @@ i2c3: i2c@48060000 { compatible = "ti,omap4-i2c"; + reg = <0x48060000 0x100>; + interrupts = <0 61 0x4>; #address-cells = <1>; #size-cells = <0>; ti,hwmods = "i2c3"; }; - i2c4: i2c@4807A000 { + i2c4: i2c@4807a000 { compatible = "ti,omap4-i2c"; + reg = <0x4807a000 0x100>; + interrupts = <0 62 0x4>; #address-cells = <1>; #size-cells = <0>; ti,hwmods = "i2c4"; }; - i2c5: i2c@4807C000 { + i2c5: i2c@4807c000 { compatible = "ti,omap4-i2c"; + reg = <0x4807c000 0x100>; + interrupts = <0 60 0x4>; #address-cells = <1>; #size-cells = <0>; ti,hwmods = "i2c5"; @@ -211,42 +243,56 @@ uart1: serial@4806a000 { compatible = "ti,omap4-uart"; + reg = <0x4806a000 0x100>; + interrupts = <0 72 0x4>; ti,hwmods = "uart1"; clock-frequency = <48000000>; }; uart2: serial@4806c000 { compatible = "ti,omap4-uart"; + reg = <0x4806c000 0x100>; + interrupts = <0 73 0x4>; ti,hwmods = "uart2"; clock-frequency = <48000000>; }; uart3: serial@48020000 { compatible = "ti,omap4-uart"; + reg = <0x48020000 0x100>; + interrupts = <0 74 0x4>; ti,hwmods = "uart3"; clock-frequency = <48000000>; }; uart4: serial@4806e000 { compatible = "ti,omap4-uart"; + reg = <0x4806e000 0x100>; + interrupts = <0 70 0x4>; ti,hwmods = "uart4"; clock-frequency = <48000000>; }; uart5: serial@48066000 { - compatible = "ti,omap5-uart"; + compatible = "ti,omap4-uart"; + reg = <0x48066000 0x100>; + interrupts = <0 105 0x4>; ti,hwmods = "uart5"; clock-frequency = <48000000>; }; uart6: serial@48068000 { - compatible = "ti,omap6-uart"; + compatible = "ti,omap4-uart"; + reg = <0x48068000 0x100>; + interrupts = <0 106 0x4>; ti,hwmods = "uart6"; clock-frequency = <48000000>; }; mmc1: mmc@4809c000 { compatible = "ti,omap4-hsmmc"; + reg = <0x4809c000 0x400>; + interrupts = <0 83 0x4>; ti,hwmods = "mmc1"; ti,dual-volt; ti,needs-special-reset; @@ -254,24 +300,32 @@ mmc2: mmc@480b4000 { compatible = "ti,omap4-hsmmc"; + reg = <0x480b4000 0x400>; + interrupts = <0 86 0x4>; ti,hwmods = "mmc2"; ti,needs-special-reset; }; mmc3: mmc@480ad000 { compatible = "ti,omap4-hsmmc"; + reg = <0x480ad000 0x400>; + interrupts = <0 94 0x4>; ti,hwmods = "mmc3"; ti,needs-special-reset; }; mmc4: mmc@480d1000 { compatible = "ti,omap4-hsmmc"; + reg = <0x480d1000 0x400>; + interrupts = <0 96 0x4>; ti,hwmods = "mmc4"; ti,needs-special-reset; }; mmc5: mmc@480d5000 { compatible = "ti,omap4-hsmmc"; + reg = <0x480d5000 0x400>; + interrupts = <0 59 0x4>; ti,hwmods = "mmc5"; ti,needs-special-reset; }; @@ -287,7 +341,6 @@ <0x49032000 0x7f>; /* L3 Interconnect */ reg-names = "mpu", "dma"; interrupts = <0 112 0x4>; - interrupt-parent = <&gic>; ti,hwmods = "mcpdm"; }; @@ -297,7 +350,6 @@ <0x4902e000 0x7f>; /* L3 Interconnect */ reg-names = "mpu", "dma"; interrupts = <0 114 0x4>; - interrupt-parent = <&gic>; ti,hwmods = "dmic"; }; @@ -308,7 +360,6 @@ reg-names = "mpu", "dma"; interrupts = <0 17 0x4>; interrupt-names = "common"; - interrupt-parent = <&gic>; ti,buffer-size = <128>; ti,hwmods = "mcbsp1"; }; @@ -320,7 +371,6 @@ reg-names = "mpu", "dma"; interrupts = <0 22 0x4>; interrupt-names = "common"; - interrupt-parent = <&gic>; ti,buffer-size = <128>; ti,hwmods = "mcbsp2"; }; @@ -332,9 +382,119 @@ reg-names = "mpu", "dma"; interrupts = <0 23 0x4>; interrupt-names = "common"; - interrupt-parent = <&gic>; ti,buffer-size = <128>; ti,hwmods = "mcbsp3"; }; + + timer1: timer@4ae18000 { + compatible = "ti,omap2-timer"; + reg = <0x4ae18000 0x80>; + interrupts = <0 37 0x4>; + ti,hwmods = "timer1"; + ti,timer-alwon; + }; + + timer2: timer@48032000 { + compatible = "ti,omap2-timer"; + reg = <0x48032000 0x80>; + interrupts = <0 38 0x4>; + ti,hwmods = "timer2"; + }; + + timer3: timer@48034000 { + compatible = "ti,omap2-timer"; + reg = <0x48034000 0x80>; + interrupts = <0 39 0x4>; + ti,hwmods = "timer3"; + }; + + timer4: timer@48036000 { + compatible = "ti,omap2-timer"; + reg = <0x48036000 0x80>; + interrupts = <0 40 0x4>; + ti,hwmods = "timer4"; + }; + + timer5: timer@40138000 { + compatible = "ti,omap2-timer"; + reg = <0x40138000 0x80>, + <0x49038000 0x80>; + interrupts = <0 41 0x4>; + ti,hwmods = "timer5"; + ti,timer-dsp; + }; + + timer6: timer@4013a000 { + compatible = "ti,omap2-timer"; + reg = <0x4013a000 0x80>, + <0x4903a000 0x80>; + interrupts = <0 42 0x4>; + ti,hwmods = "timer6"; + ti,timer-dsp; + ti,timer-pwm; + }; + + timer7: timer@4013c000 { + compatible = "ti,omap2-timer"; + reg = <0x4013c000 0x80>, + <0x4903c000 0x80>; + interrupts = <0 43 0x4>; + ti,hwmods = "timer7"; + ti,timer-dsp; + }; + + timer8: timer@4013e000 { + compatible = "ti,omap2-timer"; + reg = <0x4013e000 0x80>, + <0x4903e000 0x80>; + interrupts = <0 44 0x4>; + ti,hwmods = "timer8"; + ti,timer-dsp; + ti,timer-pwm; + }; + + timer9: timer@4803e000 { + compatible = "ti,omap2-timer"; + reg = <0x4803e000 0x80>; + interrupts = <0 45 0x4>; + ti,hwmods = "timer9"; + }; + + timer10: timer@48086000 { + compatible = "ti,omap2-timer"; + reg = <0x48086000 0x80>; + interrupts = <0 46 0x4>; + ti,hwmods = "timer10"; + }; + + timer11: timer@48088000 { + compatible = "ti,omap2-timer"; + reg = <0x48088000 0x80>; + interrupts = <0 47 0x4>; + ti,hwmods = "timer11"; + ti,timer-pwm; + }; + + emif1: emif@0x4c000000 { + compatible = "ti,emif-4d5"; + ti,hwmods = "emif1"; + phy-type = <2>; /* DDR PHY type: Intelli PHY */ + reg = <0x4c000000 0x400>; + interrupts = <0 110 0x4>; + hw-caps-read-idle-ctrl; + hw-caps-ll-interface; + hw-caps-temp-alert; + }; + + emif2: emif@0x4d000000 { + compatible = "ti,emif-4d5"; + ti,hwmods = "emif2"; + phy-type = <2>; /* DDR PHY type: Intelli PHY */ + reg = <0x4d000000 0x400>; + interrupts = <0 111 0x4>; + hw-caps-read-idle-ctrl; + hw-caps-ll-interface; + hw-caps-temp-alert; + }; }; }; diff --git a/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi b/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi new file mode 100644 index 0000000..9657a5c --- /dev/null +++ b/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi @@ -0,0 +1,67 @@ +/* + * Timings and Geometry for Samsung K3PE0E000B memory part + */ + +/ { + samsung_K3PE0E000B: lpddr2 { + compatible = "Samsung,K3PE0E000B","jedec,lpddr2-s4"; + density = <4096>; + io-width = <32>; + + tRPab-min-tck = <3>; + tRCD-min-tck = <3>; + tWR-min-tck = <3>; + tRASmin-min-tck = <3>; + tRRD-min-tck = <2>; + tWTR-min-tck = <2>; + tXP-min-tck = <2>; + tRTP-min-tck = <2>; + tCKE-min-tck = <3>; + tCKESR-min-tck = <3>; + tFAW-min-tck = <8>; + + timings_samsung_K3PE0E000B_533MHz: lpddr2-timings@0 { + compatible = "jedec,lpddr2-timings"; + min-freq = <10000000>; + max-freq = <533333333>; + tRPab = <21000>; + tRCD = <18000>; + tWR = <15000>; + tRAS-min = <42000>; + tRRD = <10000>; + tWTR = <7500>; + tXP = <7500>; + tRTP = <7500>; + tCKESR = <15000>; + tDQSCK-max = <5500>; + tFAW = <50000>; + tZQCS = <90000>; + tZQCL = <360000>; + tZQinit = <1000000>; + tRAS-max-ns = <70000>; + tDQSCK-max-derated = <6000>; + }; + + timings_samsung_K3PE0E000B_266MHz: lpddr2-timings@1 { + compatible = "jedec,lpddr2-timings"; + min-freq = <10000000>; + max-freq = <266666666>; + tRPab = <21000>; + tRCD = <18000>; + tWR = <15000>; + tRAS-min = <42000>; + tRRD = <10000>; + tWTR = <7500>; + tXP = <7500>; + tRTP = <7500>; + tCKESR = <15000>; + tDQSCK-max = <5500>; + tFAW = <50000>; + tZQCS = <90000>; + tZQCL = <360000>; + tZQinit = <1000000>; + tRAS-max-ns = <70000>; + tDQSCK-max-derated = <6000>; + }; + }; +}; diff --git a/arch/arm/boot/dts/twl4030.dtsi b/arch/arm/boot/dts/twl4030.dtsi index ff00017..63411b0 100644 --- a/arch/arm/boot/dts/twl4030.dtsi +++ b/arch/arm/boot/dts/twl4030.dtsi @@ -37,6 +37,24 @@ regulator-max-microvolt = <3150000>; }; + vusb1v5: regulator-vusb1v5 { + compatible = "ti,twl4030-vusb1v5"; + }; + + vusb1v8: regulator-vusb1v8 { + compatible = "ti,twl4030-vusb1v8"; + }; + + vusb3v1: regulator-vusb3v1 { + compatible = "ti,twl4030-vusb3v1"; + }; + + vsim: regulator-vsim { + compatible = "ti,twl4030-vsim"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3000000>; + }; + twl_gpio: gpio { compatible = "ti,twl4030-gpio"; gpio-controller; @@ -44,4 +62,13 @@ interrupt-controller; #interrupt-cells = <1>; }; + + twl4030-usb { + compatible = "ti,twl4030-usb"; + interrupts = <10>, <4>; + usb1v5-supply = <&vusb1v5>; + usb1v8-supply = <&vusb1v8>; + usb3v1-supply = <&vusb3v1>; + usb_mode = <1>; + }; }; diff --git a/arch/arm/boot/dts/twl6030.dtsi b/arch/arm/boot/dts/twl6030.dtsi index 123e2c4..9996cfc 100644 --- a/arch/arm/boot/dts/twl6030.dtsi +++ b/arch/arm/boot/dts/twl6030.dtsi @@ -86,4 +86,9 @@ clk32kg: regulator-clk32kg { compatible = "ti,twl6030-clk32kg"; }; + + twl_usb_comparator: usb-comparator { + compatible = "ti,twl6030-usb"; + interrupts = <4>, <10>; + }; }; diff --git a/arch/arm/mach-omap1/timer.c b/arch/arm/mach-omap1/timer.c index cdeb9d3..bde7a35 100644 --- a/arch/arm/mach-omap1/timer.c +++ b/arch/arm/mach-omap1/timer.c @@ -25,6 +25,7 @@ #include <linux/err.h> #include <linux/slab.h> #include <linux/platform_device.h> +#include <linux/platform_data/dmtimer-omap.h> #include <mach/irqs.h> diff --git a/arch/arm/mach-omap1/timer32k.c b/arch/arm/mach-omap1/timer32k.c index 8936819..41152fa 100644 --- a/arch/arm/mach-omap1/timer32k.c +++ b/arch/arm/mach-omap1/timer32k.c @@ -51,7 +51,6 @@ #include <asm/mach/time.h> #include <plat/counter-32k.h> -#include <plat/dmtimer.h> #include <mach/hardware.h> diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c index 699caec..ebbc2ad 100644 --- a/arch/arm/mach-omap2/board-cm-t3517.c +++ b/arch/arm/mach-omap2/board-cm-t3517.c @@ -297,6 +297,6 @@ MACHINE_START(CM_T3517, "Compulab CM-T3517") .handle_irq = omap3_intc_handle_irq, .init_machine = cm_t3517_init, .init_late = am35xx_init_late, - .timer = &omap3_timer, + .timer = &omap3_gp_timer, .restart = omap3xxx_restart, MACHINE_END diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index 475e14f..aa6e4a1 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -97,6 +97,23 @@ DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)") .dt_compat = omap3_boards_compat, .restart = omap3xxx_restart, MACHINE_END + +static const char *omap3_gp_boards_compat[] __initdata = { + "ti,omap3-beagle", + NULL, +}; + +DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)") + .reserve = omap_reserve, + .map_io = omap3_map_io, + .init_early = omap3430_init_early, + .init_irq = omap_intc_of_init, + .handle_irq = omap3_intc_handle_irq, + .init_machine = omap_generic_init, + .timer = &omap3_secure_timer, + .dt_compat = omap3_gp_boards_compat, + .restart = omap_prcm_restart, +MACHINE_END #endif #ifdef CONFIG_SOC_AM33XX diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h index 08c5864..3bbcde8 100644 --- a/arch/arm/mach-omap2/common.h +++ b/arch/arm/mach-omap2/common.h @@ -82,6 +82,7 @@ extern void omap2_init_common_infrastructure(void); extern struct sys_timer omap2_timer; extern struct sys_timer omap3_timer; extern struct sys_timer omap3_secure_timer; +extern struct sys_timer omap3_gp_timer; extern struct sys_timer omap3_am33xx_timer; extern struct sys_timer omap4_timer; extern struct sys_timer omap5_timer; diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c index a8b3368..e8efe3d 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c @@ -17,7 +17,6 @@ #include <linux/platform_data/spi-omap2-mcspi.h> #include <plat-omap/dma-omap.h> -#include <plat/dmtimer.h> #include "omap_hwmod.h" #include "l3_2xxx.h" diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c index dc768c5..32d17e3 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c @@ -18,7 +18,6 @@ #include <linux/platform_data/spi-omap2-mcspi.h> #include <plat-omap/dma-omap.h> -#include <plat/dmtimer.h> #include "omap_hwmod.h" #include "mmc.h" diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c index a0116d0..0db8f45 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c @@ -58,8 +58,9 @@ static struct omap_hwmod_class_sysconfig omap2xxx_timer_sysc = { .syss_offs = 0x0014, .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET | - SYSC_HAS_AUTOIDLE), + SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS), .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .clockact = CLOCKACT_TEST_ICLK, .sysc_fields = &omap_hwmod_sysc_type1, }; @@ -268,6 +269,7 @@ struct omap_hwmod omap2xxx_timer1_hwmod = { }, .dev_attr = &capability_alwon_dev_attr, .class = &omap2xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer2 */ @@ -286,6 +288,7 @@ struct omap_hwmod omap2xxx_timer2_hwmod = { }, }, .class = &omap2xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer3 */ @@ -304,6 +307,7 @@ struct omap_hwmod omap2xxx_timer3_hwmod = { }, }, .class = &omap2xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer4 */ @@ -322,6 +326,7 @@ struct omap_hwmod omap2xxx_timer4_hwmod = { }, }, .class = &omap2xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer5 */ @@ -341,6 +346,7 @@ struct omap_hwmod omap2xxx_timer5_hwmod = { }, .dev_attr = &capability_dsp_dev_attr, .class = &omap2xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer6 */ @@ -360,6 +366,7 @@ struct omap_hwmod omap2xxx_timer6_hwmod = { }, .dev_attr = &capability_dsp_dev_attr, .class = &omap2xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer7 */ @@ -379,6 +386,7 @@ struct omap_hwmod omap2xxx_timer7_hwmod = { }, .dev_attr = &capability_dsp_dev_attr, .class = &omap2xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer8 */ @@ -398,6 +406,7 @@ struct omap_hwmod omap2xxx_timer8_hwmod = { }, .dev_attr = &capability_dsp_dev_attr, .class = &omap2xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer9 */ @@ -417,6 +426,7 @@ struct omap_hwmod omap2xxx_timer9_hwmod = { }, .dev_attr = &capability_pwm_dev_attr, .class = &omap2xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer10 */ @@ -436,6 +446,7 @@ struct omap_hwmod omap2xxx_timer10_hwmod = { }, .dev_attr = &capability_pwm_dev_attr, .class = &omap2xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer11 */ @@ -455,6 +466,7 @@ struct omap_hwmod omap2xxx_timer11_hwmod = { }, .dev_attr = &capability_pwm_dev_attr, .class = &omap2xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer12 */ @@ -474,6 +486,7 @@ struct omap_hwmod omap2xxx_timer12_hwmod = { }, .dev_attr = &capability_pwm_dev_attr, .class = &omap2xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* wd_timer2 */ diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index abe66ce..addc1c2 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -153,29 +153,16 @@ static struct omap_hwmod omap3xxx_debugss_hwmod = { }; /* timer class */ -static struct omap_hwmod_class_sysconfig omap3xxx_timer_1ms_sysc = { - .rev_offs = 0x0000, - .sysc_offs = 0x0010, - .syss_offs = 0x0014, - .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_CLOCKACTIVITY | - SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET | - SYSC_HAS_EMUFREE | SYSC_HAS_AUTOIDLE), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), - .sysc_fields = &omap_hwmod_sysc_type1, -}; - -static struct omap_hwmod_class omap3xxx_timer_1ms_hwmod_class = { - .name = "timer", - .sysc = &omap3xxx_timer_1ms_sysc, -}; - static struct omap_hwmod_class_sysconfig omap3xxx_timer_sysc = { .rev_offs = 0x0000, .sysc_offs = 0x0010, .syss_offs = 0x0014, - .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_ENAWAKEUP | - SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE), + .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_CLOCKACTIVITY | + SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET | + SYSC_HAS_EMUFREE | SYSC_HAS_AUTOIDLE | + SYSS_HAS_RESET_STATUS), .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .clockact = CLOCKACT_TEST_ICLK, .sysc_fields = &omap_hwmod_sysc_type1, }; @@ -224,7 +211,8 @@ static struct omap_hwmod omap3xxx_timer1_hwmod = { }, }, .dev_attr = &capability_alwon_dev_attr, - .class = &omap3xxx_timer_1ms_hwmod_class, + .class = &omap3xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer2 */ @@ -241,7 +229,8 @@ static struct omap_hwmod omap3xxx_timer2_hwmod = { .idlest_idle_bit = OMAP3430_ST_GPT2_SHIFT, }, }, - .class = &omap3xxx_timer_1ms_hwmod_class, + .class = &omap3xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer3 */ @@ -259,6 +248,7 @@ static struct omap_hwmod omap3xxx_timer3_hwmod = { }, }, .class = &omap3xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer4 */ @@ -276,6 +266,7 @@ static struct omap_hwmod omap3xxx_timer4_hwmod = { }, }, .class = &omap3xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer5 */ @@ -294,6 +285,7 @@ static struct omap_hwmod omap3xxx_timer5_hwmod = { }, .dev_attr = &capability_dsp_dev_attr, .class = &omap3xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer6 */ @@ -312,6 +304,7 @@ static struct omap_hwmod omap3xxx_timer6_hwmod = { }, .dev_attr = &capability_dsp_dev_attr, .class = &omap3xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer7 */ @@ -330,6 +323,7 @@ static struct omap_hwmod omap3xxx_timer7_hwmod = { }, .dev_attr = &capability_dsp_dev_attr, .class = &omap3xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer8 */ @@ -348,6 +342,7 @@ static struct omap_hwmod omap3xxx_timer8_hwmod = { }, .dev_attr = &capability_dsp_pwm_dev_attr, .class = &omap3xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer9 */ @@ -366,6 +361,7 @@ static struct omap_hwmod omap3xxx_timer9_hwmod = { }, .dev_attr = &capability_pwm_dev_attr, .class = &omap3xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer10 */ @@ -383,7 +379,8 @@ static struct omap_hwmod omap3xxx_timer10_hwmod = { }, }, .dev_attr = &capability_pwm_dev_attr, - .class = &omap3xxx_timer_1ms_hwmod_class, + .class = &omap3xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer11 */ @@ -402,6 +399,7 @@ static struct omap_hwmod omap3xxx_timer11_hwmod = { }, .dev_attr = &capability_pwm_dev_attr, .class = &omap3xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* timer12 */ @@ -425,6 +423,7 @@ static struct omap_hwmod omap3xxx_timer12_hwmod = { }, .dev_attr = &capability_secure_dev_attr, .class = &omap3xxx_timer_hwmod_class, + .flags = HWMOD_SET_DEFAULT_CLOCKACT, }; /* diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index b80bbf6..f5b55a7 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -3103,6 +3103,7 @@ static struct omap_hwmod_class_sysconfig omap44xx_timer_1ms_sysc = { SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .clockact = CLOCKACT_TEST_ICLK, .sysc_fields = &omap_hwmod_sysc_type1, }; @@ -3156,6 +3157,7 @@ static struct omap_hwmod omap44xx_timer1_hwmod = { .name = "timer1", .class = &omap44xx_timer_1ms_hwmod_class, .clkdm_name = "l4_wkup_clkdm", + .flags = HWMOD_SET_DEFAULT_CLOCKACT, .mpu_irqs = omap44xx_timer1_irqs, .main_clk = "timer1_fck", .prcm = { @@ -3178,6 +3180,7 @@ static struct omap_hwmod omap44xx_timer2_hwmod = { .name = "timer2", .class = &omap44xx_timer_1ms_hwmod_class, .clkdm_name = "l4_per_clkdm", + .flags = HWMOD_SET_DEFAULT_CLOCKACT, .mpu_irqs = omap44xx_timer2_irqs, .main_clk = "timer2_fck", .prcm = { @@ -3352,6 +3355,7 @@ static struct omap_hwmod omap44xx_timer10_hwmod = { .name = "timer10", .class = &omap44xx_timer_1ms_hwmod_class, .clkdm_name = "l4_per_clkdm", + .flags = HWMOD_SET_DEFAULT_CLOCKACT, .mpu_irqs = omap44xx_timer10_irqs, .main_clk = "timer10_fck", .prcm = { diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index 3cf4fdfd..e2c291f 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -30,7 +30,6 @@ #include "clock.h" #include "powerdomain.h" #include "clockdomain.h" -#include <plat/dmtimer.h> #include "omap-pm.h" #include "soc.h" diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index c5bc2cb..b9cff72 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -37,6 +37,10 @@ #include <linux/clockchips.h> #include <linux/slab.h> #include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <linux/platform_device.h> +#include <linux/platform_data/dmtimer-omap.h> #include <asm/mach/time.h> #include <asm/smp_twd.h> @@ -62,18 +66,6 @@ #define OMAP3_32K_SOURCE "omap_32k_fck" #define OMAP4_32K_SOURCE "sys_32k_ck" -#ifdef CONFIG_OMAP_32K_TIMER -#define OMAP2_CLKEV_SOURCE OMAP2_32K_SOURCE -#define OMAP3_CLKEV_SOURCE OMAP3_32K_SOURCE -#define OMAP4_CLKEV_SOURCE OMAP4_32K_SOURCE -#define OMAP3_SECURE_TIMER 12 -#else -#define OMAP2_CLKEV_SOURCE OMAP2_MPU_SOURCE -#define OMAP3_CLKEV_SOURCE OMAP3_MPU_SOURCE -#define OMAP4_CLKEV_SOURCE OMAP4_MPU_SOURCE -#define OMAP3_SECURE_TIMER 1 -#endif - #define REALTIME_COUNTER_BASE 0x48243200 #define INCREMENTER_NUMERATOR_OFFSET 0x10 #define INCREMENTER_DENUMERATOR_RELOAD_OFFSET 0x14 @@ -104,7 +96,7 @@ static int omap2_gp_timer_set_next_event(unsigned long cycles, struct clock_event_device *evt) { __omap_dm_timer_load_start(&clkev, OMAP_TIMER_CTRL_ST, - 0xffffffff - cycles, 1); + 0xffffffff - cycles, OMAP_TIMER_POSTED); return 0; } @@ -114,7 +106,7 @@ static void omap2_gp_timer_set_mode(enum clock_event_mode mode, { u32 period; - __omap_dm_timer_stop(&clkev, 1, clkev.rate); + __omap_dm_timer_stop(&clkev, OMAP_TIMER_POSTED, clkev.rate); switch (mode) { case CLOCK_EVT_MODE_PERIODIC: @@ -122,10 +114,10 @@ static void omap2_gp_timer_set_mode(enum clock_event_mode mode, period -= 1; /* Looks like we need to first set the load value separately */ __omap_dm_timer_write(&clkev, OMAP_TIMER_LOAD_REG, - 0xffffffff - period, 1); + 0xffffffff - period, OMAP_TIMER_POSTED); __omap_dm_timer_load_start(&clkev, OMAP_TIMER_CTRL_AR | OMAP_TIMER_CTRL_ST, - 0xffffffff - period, 1); + 0xffffffff - period, OMAP_TIMER_POSTED); break; case CLOCK_EVT_MODE_ONESHOT: break; @@ -145,36 +137,144 @@ static struct clock_event_device clockevent_gpt = { .set_mode = omap2_gp_timer_set_mode, }; +static struct property device_disabled = { + .name = "status", + .length = sizeof("disabled"), + .value = "disabled", +}; + +static struct of_device_id omap_timer_match[] __initdata = { + { .compatible = "ti,omap2-timer", }, + { } +}; + +/** + * omap_get_timer_dt - get a timer using device-tree + * @match - device-tree match structure for matching a device type + * @property - optional timer property to match + * + * Helper function to get a timer during early boot using device-tree for use + * as kernel system timer. Optionally, the property argument can be used to + * select a timer with a specific property. Once a timer is found then mark + * the timer node in device-tree as disabled, to prevent the kernel from + * registering this timer as a platform device and so no one else can use it. + */ +static struct device_node * __init omap_get_timer_dt(struct of_device_id *match, + const char *property) +{ + struct device_node *np; + + for_each_matching_node(np, match) { + if (!of_device_is_available(np)) { + of_node_put(np); + continue; + } + + if (property && !of_get_property(np, property, NULL)) { + of_node_put(np); + continue; + } + + prom_add_property(np, &device_disabled); + return np; + } + + return NULL; +} + +/** + * omap_dmtimer_init - initialisation function when device tree is used + * + * For secure OMAP3 devices, timers with device type "timer-secure" cannot + * be used by the kernel as they are reserved. Therefore, to prevent the + * kernel registering these devices remove them dynamically from the device + * tree on boot. + */ +void __init omap_dmtimer_init(void) +{ + struct device_node *np; + + if (!cpu_is_omap34xx()) + return; + + /* If we are a secure device, remove any secure timer nodes */ + if ((omap_type() != OMAP2_DEVICE_TYPE_GP)) { + np = omap_get_timer_dt(omap_timer_match, "ti,timer-secure"); + if (np) + of_node_put(np); + } +} + +/** + * omap_dm_timer_get_errata - get errata flags for a timer + * + * Get the timer errata flags that are specific to the OMAP device being used. + */ +u32 __init omap_dm_timer_get_errata(void) +{ + if (cpu_is_omap24xx()) + return 0; + + return OMAP_TIMER_ERRATA_I103_I767; +} + static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer, int gptimer_id, - const char *fck_source) + const char *fck_source, + const char *property, + int posted) { char name[10]; /* 10 = sizeof("gptXX_Xck0") */ + const char *oh_name; + struct device_node *np; struct omap_hwmod *oh; - struct resource irq_rsrc, mem_rsrc; - size_t size; - int res = 0; - int r; - - sprintf(name, "timer%d", gptimer_id); - omap_hwmod_setup_one(name); - oh = omap_hwmod_lookup(name); + struct resource irq, mem; + int r = 0; + + if (of_have_populated_dt()) { + np = omap_get_timer_dt(omap_timer_match, NULL); + if (!np) + return -ENODEV; + + of_property_read_string_index(np, "ti,hwmods", 0, &oh_name); + if (!oh_name) + return -ENODEV; + + timer->irq = irq_of_parse_and_map(np, 0); + if (!timer->irq) + return -ENXIO; + + timer->io_base = of_iomap(np, 0); + + of_node_put(np); + } else { + if (omap_dm_timer_reserve_systimer(gptimer_id)) + return -ENODEV; + + sprintf(name, "timer%d", gptimer_id); + oh_name = name; + } + + oh = omap_hwmod_lookup(oh_name); if (!oh) return -ENODEV; - r = omap_hwmod_get_resource_byname(oh, IORESOURCE_IRQ, NULL, &irq_rsrc); - if (r) - return -ENXIO; - timer->irq = irq_rsrc.start; + if (!of_have_populated_dt()) { + r = omap_hwmod_get_resource_byname(oh, IORESOURCE_IRQ, NULL, + &irq); + if (r) + return -ENXIO; + timer->irq = irq.start; - r = omap_hwmod_get_resource_byname(oh, IORESOURCE_MEM, NULL, &mem_rsrc); - if (r) - return -ENXIO; - timer->phys_base = mem_rsrc.start; - size = mem_rsrc.end - mem_rsrc.start; + r = omap_hwmod_get_resource_byname(oh, IORESOURCE_MEM, NULL, + &mem); + if (r) + return -ENXIO; + + /* Static mapping, never released */ + timer->io_base = ioremap(mem.start, mem.end - mem.start); + } - /* Static mapping, never released */ - timer->io_base = ioremap(timer->phys_base, size); if (!timer->io_base) return -ENXIO; @@ -183,42 +283,56 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer, if (IS_ERR(timer->fclk)) return -ENODEV; - omap_hwmod_enable(oh); - - if (omap_dm_timer_reserve_systimer(gptimer_id)) - return -ENODEV; - + /* FIXME: Need to remove hard-coded test on timer ID */ if (gptimer_id != 12) { struct clk *src; src = clk_get(NULL, fck_source); if (IS_ERR(src)) { - res = -EINVAL; + r = -EINVAL; } else { - res = __omap_dm_timer_set_source(timer->fclk, src); - if (IS_ERR_VALUE(res)) - pr_warning("%s: timer%i cannot set source\n", - __func__, gptimer_id); + r = clk_set_parent(timer->fclk, src); + if (IS_ERR_VALUE(r)) + pr_warn("%s: %s cannot set source\n", + __func__, oh->name); clk_put(src); } } + + omap_hwmod_setup_one(oh_name); + omap_hwmod_enable(oh); __omap_dm_timer_init_regs(timer); - __omap_dm_timer_reset(timer, 1, 1); - timer->posted = 1; - timer->rate = clk_get_rate(timer->fclk); + if (posted) + __omap_dm_timer_enable_posted(timer); + + /* Check that the intended posted configuration matches the actual */ + if (posted != timer->posted) + return -EINVAL; + timer->rate = clk_get_rate(timer->fclk); timer->reserved = 1; - return res; + return r; } static void __init omap2_gp_clockevent_init(int gptimer_id, - const char *fck_source) + const char *fck_source, + const char *property) { int res; - res = omap_dm_timer_init_one(&clkev, gptimer_id, fck_source); + clkev.errata = omap_dm_timer_get_errata(); + + /* + * For clock-event timers we never read the timer counter and + * so we are not impacted by errata i103 and i767. Therefore, + * we can safely ignore this errata for clock-event timers. + */ + __omap_dm_timer_override_errata(&clkev, OMAP_TIMER_ERRATA_I103_I767); + + res = omap_dm_timer_init_one(&clkev, gptimer_id, fck_source, property, + OMAP_TIMER_POSTED); BUG_ON(res); omap2_gp_timer_irq.dev_id = &clkev; @@ -251,7 +365,8 @@ static bool use_gptimer_clksrc; */ static cycle_t clocksource_read_cycles(struct clocksource *cs) { - return (cycle_t)__omap_dm_timer_read_counter(&clksrc, 1); + return (cycle_t)__omap_dm_timer_read_counter(&clksrc, + OMAP_TIMER_NONPOSTED); } static struct clocksource clocksource_gpt = { @@ -265,21 +380,41 @@ static struct clocksource clocksource_gpt = { static u32 notrace dmtimer_read_sched_clock(void) { if (clksrc.reserved) - return __omap_dm_timer_read_counter(&clksrc, 1); + return __omap_dm_timer_read_counter(&clksrc, + OMAP_TIMER_NONPOSTED); return 0; } -#ifdef CONFIG_OMAP_32K_TIMER +static struct of_device_id omap_counter_match[] __initdata = { + { .compatible = "ti,omap-counter32k", }, + { } +}; + /* Setup free-running counter for clocksource */ static int __init omap2_sync32k_clocksource_init(void) { int ret; + struct device_node *np = NULL; struct omap_hwmod *oh; void __iomem *vbase; const char *oh_name = "counter_32k"; /* + * If device-tree is present, then search the DT blob + * to see if the 32kHz counter is supported. + */ + if (of_have_populated_dt()) { + np = omap_get_timer_dt(omap_counter_match, NULL); + if (!np) + return -ENODEV; + + of_property_read_string_index(np, "ti,hwmods", 0, &oh_name); + if (!oh_name) + return -ENODEV; + } + + /* * First check hwmod data is available for sync32k counter */ oh = omap_hwmod_lookup(oh_name); @@ -288,7 +423,13 @@ static int __init omap2_sync32k_clocksource_init(void) omap_hwmod_setup_one(oh_name); - vbase = omap_hwmod_get_mpu_rt_va(oh); + if (np) { + vbase = of_iomap(np, 0); + of_node_put(np); + } else { + vbase = omap_hwmod_get_mpu_rt_va(oh); + } + if (!vbase) { pr_warn("%s: failed to get counter_32k resource\n", __func__); return -ENXIO; @@ -310,23 +451,21 @@ static int __init omap2_sync32k_clocksource_init(void) return ret; } -#else -static inline int omap2_sync32k_clocksource_init(void) -{ - return -ENODEV; -} -#endif static void __init omap2_gptimer_clocksource_init(int gptimer_id, const char *fck_source) { int res; - res = omap_dm_timer_init_one(&clksrc, gptimer_id, fck_source); + clksrc.errata = omap_dm_timer_get_errata(); + + res = omap_dm_timer_init_one(&clksrc, gptimer_id, fck_source, NULL, + OMAP_TIMER_NONPOSTED); BUG_ON(res); __omap_dm_timer_load_start(&clksrc, - OMAP_TIMER_CTRL_ST | OMAP_TIMER_CTRL_AR, 0, 1); + OMAP_TIMER_CTRL_ST | OMAP_TIMER_CTRL_AR, 0, + OMAP_TIMER_NONPOSTED); setup_sched_clock(dmtimer_read_sched_clock, 32, clksrc.rate); if (clocksource_register_hz(&clocksource_gpt, clksrc.rate)) @@ -337,25 +476,6 @@ static void __init omap2_gptimer_clocksource_init(int gptimer_id, gptimer_id, clksrc.rate); } -static void __init omap2_clocksource_init(int gptimer_id, - const char *fck_source) -{ - /* - * First give preference to kernel parameter configuration - * by user (clocksource="gp_timer"). - * - * In case of missing kernel parameter for clocksource, - * first check for availability for 32k-sync timer, in case - * of failure in finding 32k_counter module or registering - * it as clocksource, execution will fallback to gp-timer. - */ - if (use_gptimer_clksrc == true) - omap2_gptimer_clocksource_init(gptimer_id, fck_source); - else if (omap2_sync32k_clocksource_init()) - /* Fall back to gp-timer code */ - omap2_gptimer_clocksource_init(gptimer_id, fck_source); -} - #ifdef CONFIG_SOC_HAS_REALTIME_COUNTER /* * The realtime counter also called master counter, is a free-running @@ -434,48 +554,65 @@ static inline void __init realtime_counter_init(void) {} #endif -#define OMAP_SYS_TIMER_INIT(name, clkev_nr, clkev_src, \ +#define OMAP_SYS_GP_TIMER_INIT(name, clkev_nr, clkev_src, clkev_prop, \ + clksrc_nr, clksrc_src) \ +static void __init omap##name##_gptimer_timer_init(void) \ +{ \ + omap_dmtimer_init(); \ + omap2_gp_clockevent_init((clkev_nr), clkev_src, clkev_prop); \ + omap2_gptimer_clocksource_init((clksrc_nr), clksrc_src); \ +} + +#define OMAP_SYS_32K_TIMER_INIT(name, clkev_nr, clkev_src, clkev_prop, \ clksrc_nr, clksrc_src) \ -static void __init omap##name##_timer_init(void) \ +static void __init omap##name##_sync32k_timer_init(void) \ { \ - omap2_gp_clockevent_init((clkev_nr), clkev_src); \ - omap2_clocksource_init((clksrc_nr), clksrc_src); \ + omap_dmtimer_init(); \ + omap2_gp_clockevent_init((clkev_nr), clkev_src, clkev_prop); \ + /* Enable the use of clocksource="gp_timer" kernel parameter */ \ + if (use_gptimer_clksrc) \ + omap2_gptimer_clocksource_init((clksrc_nr), clksrc_src);\ + else \ + omap2_sync32k_clocksource_init(); \ } -#define OMAP_SYS_TIMER(name) \ +#define OMAP_SYS_TIMER(name, clksrc) \ struct sys_timer omap##name##_timer = { \ - .init = omap##name##_timer_init, \ + .init = omap##name##_##clksrc##_timer_init, \ }; #ifdef CONFIG_ARCH_OMAP2 -OMAP_SYS_TIMER_INIT(2, 1, OMAP2_CLKEV_SOURCE, 2, OMAP2_MPU_SOURCE) -OMAP_SYS_TIMER(2) -#endif +OMAP_SYS_32K_TIMER_INIT(2, 1, OMAP2_32K_SOURCE, "ti,timer-alwon", + 2, OMAP2_MPU_SOURCE); +OMAP_SYS_TIMER(2, sync32k); +#endif /* CONFIG_ARCH_OMAP2 */ #ifdef CONFIG_ARCH_OMAP3 -OMAP_SYS_TIMER_INIT(3, 1, OMAP3_CLKEV_SOURCE, 2, OMAP3_MPU_SOURCE) -OMAP_SYS_TIMER(3) -OMAP_SYS_TIMER_INIT(3_secure, OMAP3_SECURE_TIMER, OMAP3_CLKEV_SOURCE, - 2, OMAP3_MPU_SOURCE) -OMAP_SYS_TIMER(3_secure) -#endif +OMAP_SYS_32K_TIMER_INIT(3, 1, OMAP3_32K_SOURCE, "ti,timer-alwon", + 2, OMAP3_MPU_SOURCE); +OMAP_SYS_TIMER(3, sync32k); +OMAP_SYS_32K_TIMER_INIT(3_secure, 12, OMAP3_32K_SOURCE, "ti,timer-secure", + 2, OMAP3_MPU_SOURCE); +OMAP_SYS_TIMER(3_secure, sync32k); +OMAP_SYS_GP_TIMER_INIT(3_gp, 1, OMAP3_MPU_SOURCE, "ti,timer-alwon", + 2, OMAP3_MPU_SOURCE); +OMAP_SYS_TIMER(3_gp, gptimer); +#endif /* CONFIG_ARCH_OMAP3 */ #ifdef CONFIG_SOC_AM33XX -OMAP_SYS_TIMER_INIT(3_am33xx, 1, OMAP4_MPU_SOURCE, 2, OMAP4_MPU_SOURCE) -OMAP_SYS_TIMER(3_am33xx) -#endif +OMAP_SYS_GP_TIMER_INIT(3_am33xx, 1, OMAP4_MPU_SOURCE, "ti,timer-alwon", + 2, OMAP4_MPU_SOURCE); +OMAP_SYS_TIMER(3_am33xx, gptimer); +#endif /* CONFIG_SOC_AM33XX */ #ifdef CONFIG_ARCH_OMAP4 +OMAP_SYS_32K_TIMER_INIT(4, 1, OMAP4_32K_SOURCE, "ti,timer-alwon", + 2, OMAP4_MPU_SOURCE); #ifdef CONFIG_LOCAL_TIMERS -static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, - OMAP44XX_LOCAL_TWD_BASE, 29); -#endif - -static void __init omap4_timer_init(void) +static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, OMAP44XX_LOCAL_TWD_BASE, 29); +static void __init omap4_local_timer_init(void) { - omap2_gp_clockevent_init(1, OMAP4_CLKEV_SOURCE); - omap2_clocksource_init(2, OMAP4_MPU_SOURCE); -#ifdef CONFIG_LOCAL_TIMERS + omap4_sync32k_timer_init(); /* Local timers are not supprted on OMAP4430 ES1.0 */ if (omap_rev() != OMAP4430_REV_ES1_0) { int err; @@ -489,26 +626,32 @@ static void __init omap4_timer_init(void) if (err) pr_err("twd_local_timer_register failed %d\n", err); } -#endif } -OMAP_SYS_TIMER(4) -#endif +#else /* CONFIG_LOCAL_TIMERS */ +static inline void omap4_local_timer_init(void) +{ + omap4_sync32_timer_init(); +} +#endif /* CONFIG_LOCAL_TIMERS */ +OMAP_SYS_TIMER(4, local); +#endif /* CONFIG_ARCH_OMAP4 */ #ifdef CONFIG_SOC_OMAP5 -static void __init omap5_timer_init(void) +OMAP_SYS_32K_TIMER_INIT(5, 1, OMAP4_32K_SOURCE, "ti,timer-alwon", + 2, OMAP4_MPU_SOURCE); +static void __init omap5_realtime_timer_init(void) { int err; - omap2_gp_clockevent_init(1, OMAP4_CLKEV_SOURCE); - omap2_clocksource_init(2, OMAP4_MPU_SOURCE); + omap5_sync32k_timer_init(); realtime_counter_init(); err = arch_timer_of_register(); if (err) pr_err("%s: arch_timer_register failed %d\n", __func__, err); } -OMAP_SYS_TIMER(5) -#endif +OMAP_SYS_TIMER(5, realtime); +#endif /* CONFIG_SOC_OMAP5 */ /** * omap_timer_init - build and register timer device with an @@ -560,6 +703,7 @@ static int __init omap_timer_init(struct omap_hwmod *oh, void *unused) if (timer_dev_attr) pdata->timer_capability = timer_dev_attr->timer_capability; + pdata->timer_errata = omap_dm_timer_get_errata(); pdata->get_context_loss_count = omap_pm_get_dev_context_loss_count; pdev = omap_device_build(name, id, oh, pdata, sizeof(*pdata), @@ -586,6 +730,10 @@ static int __init omap2_dm_timer_init(void) { int ret; + /* If dtb is there, the devices will be created dynamically */ + if (of_have_populated_dt()) + return -ENODEV; + ret = omap_hwmod_for_each_by_class("timer", omap_timer_init, NULL); if (unlikely(ret)) { pr_err("%s: device registration failed.\n", __func__); diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index 82fcb20..665870dc 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -154,6 +154,12 @@ config OMAP_32K_TIMER intra-tick resolution than OMAP_MPU_TIMER. The 32KHz timer is currently only available for OMAP16XX, 24XX, 34XX and OMAP4/5. + On OMAP2PLUS this value is only used for CONFIG_HZ and + CLOCK_TICK_RATE compile time calculation. + The actual timer selection is done in the board file + through the (DT_)MACHINE_START structure. + + config OMAP3_L2_AUX_SECURE_SAVE_RESTORE bool "OMAP3 HS/EMU save and restore for L2 AUX control register" depends on ARCH_OMAP3 && PM diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index 82231a7..89585c2 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -35,11 +35,16 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/clk.h> #include <linux/module.h> #include <linux/io.h> #include <linux/device.h> #include <linux/err.h> #include <linux/pm_runtime.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/platform_data/dmtimer-omap.h> #include <plat/dmtimer.h> @@ -81,10 +86,6 @@ static void omap_dm_timer_write_reg(struct omap_dm_timer *timer, u32 reg, static void omap_timer_restore_context(struct omap_dm_timer *timer) { - if (timer->revision == 1) - __raw_writel(timer->context.tistat, timer->sys_stat); - - __raw_writel(timer->context.tisr, timer->irq_stat); omap_dm_timer_write_reg(timer, OMAP_TIMER_WAKEUP_EN_REG, timer->context.twer); omap_dm_timer_write_reg(timer, OMAP_TIMER_COUNTER_REG, @@ -100,39 +101,38 @@ static void omap_timer_restore_context(struct omap_dm_timer *timer) timer->context.tclr); } -static void omap_dm_timer_wait_for_reset(struct omap_dm_timer *timer) +static int omap_dm_timer_reset(struct omap_dm_timer *timer) { - int c; + u32 l, timeout = 100000; - if (!timer->sys_stat) - return; + if (timer->revision != 1) + return -EINVAL; - c = 0; - while (!(__raw_readl(timer->sys_stat) & 1)) { - c++; - if (c > 100000) { - printk(KERN_ERR "Timer failed to reset\n"); - return; - } - } -} + omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG, 0x06); -static void omap_dm_timer_reset(struct omap_dm_timer *timer) -{ - omap_dm_timer_enable(timer); - if (timer->pdev->id != 1) { - omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG, 0x06); - omap_dm_timer_wait_for_reset(timer); + do { + l = __omap_dm_timer_read(timer, + OMAP_TIMER_V1_SYS_STAT_OFFSET, 0); + } while (!l && timeout--); + + if (!timeout) { + dev_err(&timer->pdev->dev, "Timer failed to reset\n"); + return -ETIMEDOUT; } - __omap_dm_timer_reset(timer, 0, 0); - omap_dm_timer_disable(timer); - timer->posted = 1; + /* Configure timer for smart-idle mode */ + l = __omap_dm_timer_read(timer, OMAP_TIMER_OCP_CFG_OFFSET, 0); + l |= 0x2 << 0x3; + __omap_dm_timer_write(timer, OMAP_TIMER_OCP_CFG_OFFSET, l, 0); + + timer->posted = 0; + + return 0; } -int omap_dm_timer_prepare(struct omap_dm_timer *timer) +static int omap_dm_timer_prepare(struct omap_dm_timer *timer) { - int ret; + int rc; /* * FIXME: OMAP1 devices do not use the clock framework for dmtimers so @@ -147,13 +147,20 @@ int omap_dm_timer_prepare(struct omap_dm_timer *timer) } } - if (timer->capability & OMAP_TIMER_NEEDS_RESET) - omap_dm_timer_reset(timer); + omap_dm_timer_enable(timer); + + if (timer->capability & OMAP_TIMER_NEEDS_RESET) { + rc = omap_dm_timer_reset(timer); + if (rc) { + omap_dm_timer_disable(timer); + return rc; + } + } - ret = omap_dm_timer_set_source(timer, OMAP_TIMER_SRC_32_KHZ); + __omap_dm_timer_enable_posted(timer); + omap_dm_timer_disable(timer); - timer->posted = 1; - return ret; + return omap_dm_timer_set_source(timer, OMAP_TIMER_SRC_32_KHZ); } static inline u32 omap_dm_timer_reserved_systimer(int id) @@ -209,6 +216,13 @@ struct omap_dm_timer *omap_dm_timer_request_specific(int id) unsigned long flags; int ret = 0; + /* Requesting timer by ID is not supported when device tree is used */ + if (of_have_populated_dt()) { + pr_warn("%s: Please use omap_dm_timer_request_by_cap()\n", + __func__); + return NULL; + } + spin_lock_irqsave(&dm_timer_lock, flags); list_for_each_entry(t, &omap_timer_list, node) { if (t->pdev->id == id && !t->reserved) { @@ -234,6 +248,58 @@ struct omap_dm_timer *omap_dm_timer_request_specific(int id) } EXPORT_SYMBOL_GPL(omap_dm_timer_request_specific); +/** + * omap_dm_timer_request_by_cap - Request a timer by capability + * @cap: Bit mask of capabilities to match + * + * Find a timer based upon capabilities bit mask. Callers of this function + * should use the definitions found in the plat/dmtimer.h file under the + * comment "timer capabilities used in hwmod database". Returns pointer to + * timer handle on success and a NULL pointer on failure. + */ +struct omap_dm_timer *omap_dm_timer_request_by_cap(u32 cap) +{ + struct omap_dm_timer *timer = NULL, *t; + unsigned long flags; + + if (!cap) + return NULL; + + spin_lock_irqsave(&dm_timer_lock, flags); + list_for_each_entry(t, &omap_timer_list, node) { + if ((!t->reserved) && ((t->capability & cap) == cap)) { + /* + * If timer is not NULL, we have already found one timer + * but it was not an exact match because it had more + * capabilites that what was required. Therefore, + * unreserve the last timer found and see if this one + * is a better match. + */ + if (timer) + timer->reserved = 0; + + timer = t; + timer->reserved = 1; + + /* Exit loop early if we find an exact match */ + if (t->capability == cap) + break; + } + } + spin_unlock_irqrestore(&dm_timer_lock, flags); + + if (timer && omap_dm_timer_prepare(timer)) { + timer->reserved = 0; + timer = NULL; + } + + if (!timer) + pr_debug("%s: timer request failed!\n", __func__); + + return timer; +} +EXPORT_SYMBOL_GPL(omap_dm_timer_request_by_cap); + int omap_dm_timer_free(struct omap_dm_timer *timer) { if (unlikely(!timer)) @@ -388,7 +454,6 @@ int omap_dm_timer_stop(struct omap_dm_timer *timer) */ timer->context.tclr = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG); - timer->context.tisr = __raw_readl(timer->irq_stat); omap_dm_timer_disable(timer); return 0; } @@ -398,7 +463,7 @@ int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) { int ret; char *parent_name = NULL; - struct clk *fclk, *parent; + struct clk *parent; struct dmtimer_platform_data *pdata; if (unlikely(!timer)) @@ -414,14 +479,11 @@ int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) * use the clock framework to set the parent clock. To be removed * once OMAP1 migrated to using clock framework for dmtimers */ - if (pdata->set_timer_src) + if (pdata && pdata->set_timer_src) return pdata->set_timer_src(timer->pdev, source); - fclk = clk_get(&timer->pdev->dev, "fck"); - if (IS_ERR_OR_NULL(fclk)) { - pr_err("%s: fck not found\n", __func__); + if (!timer->fclk) return -EINVAL; - } switch (source) { case OMAP_TIMER_SRC_SYS_CLK: @@ -440,18 +502,15 @@ int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) parent = clk_get(&timer->pdev->dev, parent_name); if (IS_ERR_OR_NULL(parent)) { pr_err("%s: %s not found\n", __func__, parent_name); - ret = -EINVAL; - goto out; + return -EINVAL; } - ret = clk_set_parent(fclk, parent); + ret = clk_set_parent(timer->fclk, parent); if (IS_ERR_VALUE(ret)) pr_err("%s: failed to set %s as parent\n", __func__, parent_name); clk_put(parent); -out: - clk_put(fclk); return ret; } @@ -534,8 +593,8 @@ int omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable, l |= OMAP_TIMER_CTRL_CE; else l &= ~OMAP_TIMER_CTRL_CE; - omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l); omap_dm_timer_write_reg(timer, OMAP_TIMER_MATCH_REG, match); + omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l); /* Save the context */ timer->context.tclr = l; @@ -611,6 +670,37 @@ int omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, } EXPORT_SYMBOL_GPL(omap_dm_timer_set_int_enable); +/** + * omap_dm_timer_set_int_disable - disable timer interrupts + * @timer: pointer to timer handle + * @mask: bit mask of interrupts to be disabled + * + * Disables the specified timer interrupts for a timer. + */ +int omap_dm_timer_set_int_disable(struct omap_dm_timer *timer, u32 mask) +{ + u32 l = mask; + + if (unlikely(!timer)) + return -EINVAL; + + omap_dm_timer_enable(timer); + + if (timer->revision == 1) + l = __raw_readl(timer->irq_ena) & ~mask; + + __raw_writel(l, timer->irq_dis); + l = omap_dm_timer_read_reg(timer, OMAP_TIMER_WAKEUP_EN_REG) & ~mask; + omap_dm_timer_write_reg(timer, OMAP_TIMER_WAKEUP_EN_REG, l); + + /* Save the context */ + timer->context.tier &= ~mask; + timer->context.twer &= ~mask; + omap_dm_timer_disable(timer); + return 0; +} +EXPORT_SYMBOL_GPL(omap_dm_timer_set_int_disable); + unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer) { unsigned int l; @@ -632,8 +722,7 @@ int omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value) return -EINVAL; __omap_dm_timer_write_status(timer, value); - /* Save the context */ - timer->context.tisr = value; + return 0; } EXPORT_SYMBOL_GPL(omap_dm_timer_write_status); @@ -696,7 +785,7 @@ static int __devinit omap_dm_timer_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct dmtimer_platform_data *pdata = pdev->dev.platform_data; - if (!pdata) { + if (!pdata && !dev->of_node) { dev_err(dev, "%s: no platform data.\n", __func__); return -ENODEV; } @@ -725,12 +814,25 @@ static int __devinit omap_dm_timer_probe(struct platform_device *pdev) return -ENOMEM; } - timer->id = pdev->id; + if (dev->of_node) { + if (of_find_property(dev->of_node, "ti,timer-alwon", NULL)) + timer->capability |= OMAP_TIMER_ALWON; + if (of_find_property(dev->of_node, "ti,timer-dsp", NULL)) + timer->capability |= OMAP_TIMER_HAS_DSP_IRQ; + if (of_find_property(dev->of_node, "ti,timer-pwm", NULL)) + timer->capability |= OMAP_TIMER_HAS_PWM; + if (of_find_property(dev->of_node, "ti,timer-secure", NULL)) + timer->capability |= OMAP_TIMER_SECURE; + } else { + timer->id = pdev->id; + timer->errata = pdata->timer_errata; + timer->capability = pdata->timer_capability; + timer->reserved = omap_dm_timer_reserved_systimer(timer->id); + timer->get_context_loss_count = pdata->get_context_loss_count; + } + timer->irq = irq->start; - timer->reserved = omap_dm_timer_reserved_systimer(timer->id); timer->pdev = pdev; - timer->capability = pdata->timer_capability; - timer->get_context_loss_count = pdata->get_context_loss_count; /* Skip pm_runtime_enable for OMAP1 */ if (!(timer->capability & OMAP_TIMER_NEEDS_RESET)) { @@ -770,7 +872,8 @@ static int __devexit omap_dm_timer_remove(struct platform_device *pdev) spin_lock_irqsave(&dm_timer_lock, flags); list_for_each_entry(timer, &omap_timer_list, node) - if (timer->pdev->id == pdev->id) { + if (!strcmp(dev_name(&timer->pdev->dev), + dev_name(&pdev->dev))) { list_del(&timer->node); ret = 0; break; @@ -780,11 +883,18 @@ static int __devexit omap_dm_timer_remove(struct platform_device *pdev) return ret; } +static const struct of_device_id omap_timer_match[] = { + { .compatible = "ti,omap2-timer", }, + {}, +}; +MODULE_DEVICE_TABLE(of, omap_timer_match); + static struct platform_driver omap_dm_timer_driver = { .probe = omap_dm_timer_probe, .remove = __devexit_p(omap_dm_timer_remove), .driver = { .name = "omap_timer", + .of_match_table = of_match_ptr(omap_timer_match), }, }; diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h index 3f5b9cf..a3fbc48 100644 --- a/arch/arm/plat-omap/include/plat/dmtimer.h +++ b/arch/arm/plat-omap/include/plat/dmtimer.h @@ -32,7 +32,6 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/clk.h> #include <linux/delay.h> #include <linux/io.h> #include <linux/platform_device.h> @@ -55,6 +54,10 @@ #define OMAP_TIMER_TRIGGER_OVERFLOW 0x01 #define OMAP_TIMER_TRIGGER_OVERFLOW_AND_COMPARE 0x02 +/* posted mode types */ +#define OMAP_TIMER_NONPOSTED 0x00 +#define OMAP_TIMER_POSTED 0x01 + /* timer capabilities used in hwmod database */ #define OMAP_TIMER_SECURE 0x80000000 #define OMAP_TIMER_ALWON 0x40000000 @@ -62,16 +65,22 @@ #define OMAP_TIMER_NEEDS_RESET 0x10000000 #define OMAP_TIMER_HAS_DSP_IRQ 0x08000000 +/* + * timer errata flags + * + * Errata i103/i767 impacts all OMAP3/4/5 devices including AM33xx. This + * errata prevents us from using posted mode on these devices, unless the + * timer counter register is never read. For more details please refer to + * the OMAP3/4/5 errata documents. + */ +#define OMAP_TIMER_ERRATA_I103_I767 0x80000000 + struct omap_timer_capability_dev_attr { u32 timer_capability; }; -struct omap_dm_timer; - struct timer_regs { u32 tidr; - u32 tistat; - u32 tisr; u32 tier; u32 twer; u32 tclr; @@ -90,16 +99,35 @@ struct timer_regs { u32 towr; }; -struct dmtimer_platform_data { - /* set_timer_src - Only used for OMAP1 devices */ - int (*set_timer_src)(struct platform_device *pdev, int source); - u32 timer_capability; +struct omap_dm_timer { + int id; + int irq; + struct clk *fclk; + + void __iomem *io_base; + void __iomem *irq_stat; /* TISR/IRQSTATUS interrupt status */ + void __iomem *irq_ena; /* irq enable */ + void __iomem *irq_dis; /* irq disable, only on v2 ip */ + void __iomem *pend; /* write pending */ + void __iomem *func_base; /* function register base */ + + unsigned long rate; + unsigned reserved:1; + unsigned posted:1; + struct timer_regs context; int (*get_context_loss_count)(struct device *); + int ctx_loss_count; + int revision; + u32 capability; + u32 errata; + struct platform_device *pdev; + struct list_head node; }; int omap_dm_timer_reserve_systimer(int id); struct omap_dm_timer *omap_dm_timer_request(void); struct omap_dm_timer *omap_dm_timer_request_specific(int timer_id); +struct omap_dm_timer *omap_dm_timer_request_by_cap(u32 cap); int omap_dm_timer_free(struct omap_dm_timer *timer); void omap_dm_timer_enable(struct omap_dm_timer *timer); void omap_dm_timer_disable(struct omap_dm_timer *timer); @@ -121,6 +149,7 @@ int omap_dm_timer_set_pwm(struct omap_dm_timer *timer, int def_on, int toggle, i int omap_dm_timer_set_prescaler(struct omap_dm_timer *timer, int prescaler); int omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, unsigned int value); +int omap_dm_timer_set_int_disable(struct omap_dm_timer *timer, u32 mask); unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer); int omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value); @@ -246,34 +275,6 @@ int omap_dm_timers_active(void); #define OMAP_TIMER_TICK_INT_MASK_COUNT_REG \ (_OMAP_TIMER_TICK_INT_MASK_COUNT_OFFSET | (WP_TOWR << WPSHIFT)) -struct omap_dm_timer { - unsigned long phys_base; - int id; - int irq; - struct clk *fclk; - - void __iomem *io_base; - void __iomem *sys_stat; /* TISTAT timer status */ - void __iomem *irq_stat; /* TISR/IRQSTATUS interrupt status */ - void __iomem *irq_ena; /* irq enable */ - void __iomem *irq_dis; /* irq disable, only on v2 ip */ - void __iomem *pend; /* write pending */ - void __iomem *func_base; /* function register base */ - - unsigned long rate; - unsigned reserved:1; - unsigned posted:1; - struct timer_regs context; - int (*get_context_loss_count)(struct device *); - int ctx_loss_count; - int revision; - u32 capability; - struct platform_device *pdev; - struct list_head node; -}; - -int omap_dm_timer_prepare(struct omap_dm_timer *timer); - static inline u32 __omap_dm_timer_read(struct omap_dm_timer *timer, u32 reg, int posted) { @@ -302,16 +303,13 @@ static inline void __omap_dm_timer_init_regs(struct omap_dm_timer *timer) tidr = __raw_readl(timer->io_base); if (!(tidr >> 16)) { timer->revision = 1; - timer->sys_stat = timer->io_base + - OMAP_TIMER_V1_SYS_STAT_OFFSET; timer->irq_stat = timer->io_base + OMAP_TIMER_V1_STAT_OFFSET; timer->irq_ena = timer->io_base + OMAP_TIMER_V1_INT_EN_OFFSET; - timer->irq_dis = NULL; + timer->irq_dis = timer->io_base + OMAP_TIMER_V1_INT_EN_OFFSET; timer->pend = timer->io_base + _OMAP_TIMER_WRITE_PEND_OFFSET; timer->func_base = timer->io_base; } else { timer->revision = 2; - timer->sys_stat = NULL; timer->irq_stat = timer->io_base + OMAP_TIMER_V2_IRQSTATUS; timer->irq_ena = timer->io_base + OMAP_TIMER_V2_IRQENABLE_SET; timer->irq_dis = timer->io_base + OMAP_TIMER_V2_IRQENABLE_CLR; @@ -322,45 +320,44 @@ static inline void __omap_dm_timer_init_regs(struct omap_dm_timer *timer) } } -/* Assumes the source clock has been set by caller */ -static inline void __omap_dm_timer_reset(struct omap_dm_timer *timer, - int autoidle, int wakeup) +/* + * __omap_dm_timer_enable_posted - enables write posted mode + * @timer: pointer to timer instance handle + * + * Enables the write posted mode for the timer. When posted mode is enabled + * writes to certain timer registers are immediately acknowledged by the + * internal bus and hence prevents stalling the CPU waiting for the write to + * complete. Enabling this feature can improve performance for writing to the + * timer registers. + */ +static inline void __omap_dm_timer_enable_posted(struct omap_dm_timer *timer) { - u32 l; + if (timer->posted) + return; - l = __raw_readl(timer->io_base + OMAP_TIMER_OCP_CFG_OFFSET); - l |= 0x02 << 3; /* Set to smart-idle mode */ - l |= 0x2 << 8; /* Set clock activity to perserve f-clock on idle */ + if (timer->errata & OMAP_TIMER_ERRATA_I103_I767) + return; - if (autoidle) - l |= 0x1 << 0; - - if (wakeup) - l |= 1 << 2; - - __raw_writel(l, timer->io_base + OMAP_TIMER_OCP_CFG_OFFSET); - - /* Match hardware reset default of posted mode */ __omap_dm_timer_write(timer, OMAP_TIMER_IF_CTRL_REG, - OMAP_TIMER_CTRL_POSTED, 0); + OMAP_TIMER_CTRL_POSTED, 0); + timer->context.tsicr = OMAP_TIMER_CTRL_POSTED; + timer->posted = OMAP_TIMER_POSTED; } -static inline int __omap_dm_timer_set_source(struct clk *timer_fck, - struct clk *parent) +/** + * __omap_dm_timer_override_errata - override errata flags for a timer + * @timer: pointer to timer handle + * @errata: errata flags to be ignored + * + * For a given timer, override a timer errata by clearing the flags + * specified by the errata argument. A specific erratum should only be + * overridden for a timer if the timer is used in such a way the erratum + * has no impact. + */ +static inline void __omap_dm_timer_override_errata(struct omap_dm_timer *timer, + u32 errata) { - int ret; - - clk_disable(timer_fck); - ret = clk_set_parent(timer_fck, parent); - clk_enable(timer_fck); - - /* - * When the functional clock disappears, too quick writes seem - * to cause an abort. XXX Is this still necessary? - */ - __delay(300000); - - return ret; + timer->errata &= ~errata; } static inline void __omap_dm_timer_stop(struct omap_dm_timer *timer, diff --git a/drivers/staging/tidspbridge/core/ue_deh.c b/drivers/staging/tidspbridge/core/ue_deh.c index 3d28b23..6aea6f1 100644 --- a/drivers/staging/tidspbridge/core/ue_deh.c +++ b/drivers/staging/tidspbridge/core/ue_deh.c @@ -19,7 +19,6 @@ #include <linux/kernel.h> #include <linux/interrupt.h> -#include <plat/dmtimer.h> #include <dspbridge/dbdefs.h> #include <dspbridge/dspdeh.h> diff --git a/include/linux/platform_data/dmtimer-omap.h b/include/linux/platform_data/dmtimer-omap.h new file mode 100644 index 0000000..a19b78d --- /dev/null +++ b/include/linux/platform_data/dmtimer-omap.h @@ -0,0 +1,31 @@ +/* + * DMTIMER platform data for TI OMAP platforms + * + * Copyright (C) 2012 Texas Instruments + * Author: Jon Hunter <jon-hunter@ti.com> + * + * 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. + * + * 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 __PLATFORM_DATA_DMTIMER_OMAP_H__ +#define __PLATFORM_DATA_DMTIMER_OMAP_H__ + +struct dmtimer_platform_data { + /* set_timer_src - Only used for OMAP1 devices */ + int (*set_timer_src)(struct platform_device *pdev, int source); + u32 timer_capability; + u32 timer_errata; + int (*get_context_loss_count)(struct device *); +}; + +#endif /* __PLATFORM_DATA_DMTIMER_OMAP_H__ */ |
