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authorOlof Johansson <olof@lixom.net>2013-06-14 17:36:30 -0700
committerOlof Johansson <olof@lixom.net>2013-06-14 17:36:30 -0700
commita1149269646ae95c3985f5cf1c8a15b97bb30d8a (patch)
treef56db201ab0328feec913d90b7b60fef7054065a
parent5ae13ef4e1045d6ec5d445947b42c839b9731bec (diff)
parent1a87b01d3b18709ae240ec90ae612354dd44d9a9 (diff)
downloadop-kernel-dev-a1149269646ae95c3985f5cf1c8a15b97bb30d8a.zip
op-kernel-dev-a1149269646ae95c3985f5cf1c8a15b97bb30d8a.tar.gz
Merge tag 'renesas-phy-rcar-usb-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
From Simon Horman: Renesas USB updates for v3.11 These updates are by Sergei Shtylyov to clean-up USB support present for R8A7779/Marzen and then extend USB support coverage to R8A7778/BOCK-W. * tag 'renesas-phy-rcar-usb-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: BOCK-W: add USB support ARM: shmobile: r8a7778: add USB support phy-rcar-usb: add R8A7778 support phy-rcar-usb: handle platform data ARM: shmobile: Marzen: pass platform data to USB PHY device phy-rcar-usb: add platform data phy-rcar-usb: correct base address ARM: shmobile: r8a7779: remove USB PHY 2nd memory resource phy-rcar-usb: remove EHCI internal buffer setup ARM: shmobile: r8a7779: setup EHCI internal buffer ehci-platform: add pre_setup() method to platform data ARM: shmobile: Marzen: move USB EHCI, OHCI, and PHY devices to R8A7779 code Conflicts: arch/arm/mach-shmobile/board-marzen.c arch/arm/mach-shmobile/setup-r8a7778.c Signed-off-by: Olof Johansson <olof@lixom.net>
-rw-r--r--arch/arm/mach-shmobile/Kconfig2
-rw-r--r--arch/arm/mach-shmobile/board-bockw.c8
-rw-r--r--arch/arm/mach-shmobile/board-marzen.c181
-rw-r--r--arch/arm/mach-shmobile/clock-r8a7778.c4
-rw-r--r--arch/arm/mach-shmobile/include/mach/r8a7778.h3
-rw-r--r--arch/arm/mach-shmobile/include/mach/r8a7779.h3
-rw-r--r--arch/arm/mach-shmobile/setup-r8a7778.c108
-rw-r--r--arch/arm/mach-shmobile/setup-r8a7779.c196
-rw-r--r--drivers/usb/host/ehci-platform.c6
-rw-r--r--drivers/usb/phy/Kconfig10
-rw-r--r--drivers/usb/phy/phy-rcar-usb.c128
-rw-r--r--include/linux/platform_data/usb-rcar-phy.h28
-rw-r--r--include/linux/usb/ehci_pdriver.h4
13 files changed, 450 insertions, 231 deletions
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index 5414402..757c4e9 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -41,6 +41,8 @@ config ARCH_R8A7778
select CPU_V7
select SH_CLK_CPG
select ARM_GIC
+ select USB_ARCH_HAS_EHCI
+ select USB_ARCH_HAS_OHCI
config ARCH_R8A7779
bool "R-Car H1 (R8A77790)"
diff --git a/arch/arm/mach-shmobile/board-bockw.c b/arch/arm/mach-shmobile/board-bockw.c
index dac4365..7ed2401 100644
--- a/arch/arm/mach-shmobile/board-bockw.c
+++ b/arch/arm/mach-shmobile/board-bockw.c
@@ -38,12 +38,18 @@ static struct resource smsc911x_resources[] = {
DEFINE_RES_IRQ(irq_pin(0)), /* IRQ 0 */
};
+static struct rcar_phy_platform_data usb_phy_platform_data __initdata;
+
static const struct pinctrl_map bockw_pinctrl_map[] = {
/* SCIF0 */
PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778",
"scif0_data_a", "scif0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778",
"scif0_ctrl", "scif0"),
+ PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform", "pfc-r8a7778",
+ "usb0", "usb0"),
+ PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform", "pfc-r8a7778",
+ "usb1", "usb1"),
};
#define IRQ0MR 0x30
@@ -54,6 +60,7 @@ static void __init bockw_init(void)
r8a7778_clock_init();
r8a7778_init_irq_extpin(1);
r8a7778_add_standard_devices();
+ r8a7778_add_usb_phy_device(&usb_phy_platform_data);
pinctrl_register_mappings(bockw_pinctrl_map,
ARRAY_SIZE(bockw_pinctrl_map));
@@ -91,4 +98,5 @@ DT_MACHINE_START(BOCKW_DT, "bockw")
.init_machine = bockw_init,
.init_time = shmobile_timer_init,
.dt_compat = bockw_boards_compat_dt,
+ .init_late = r8a7778_init_late,
MACHINE_END
diff --git a/arch/arm/mach-shmobile/board-marzen.c b/arch/arm/mach-shmobile/board-marzen.c
index 9112fae..b1b41b1 100644
--- a/arch/arm/mach-shmobile/board-marzen.c
+++ b/arch/arm/mach-shmobile/board-marzen.c
@@ -37,10 +37,6 @@
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mobile_sdhi.h>
#include <linux/mfd/tmio.h>
-#include <linux/usb/otg.h>
-#include <linux/usb/ehci_pdriver.h>
-#include <linux/usb/ohci_pdriver.h>
-#include <linux/pm_runtime.h>
#include <mach/hardware.h>
#include <mach/r8a7779.h>
#include <mach/common.h>
@@ -61,6 +57,8 @@ static struct regulator_consumer_supply dummy_supplies[] = {
REGULATOR_SUPPLY("vdd33a", "smsc911x"),
};
+static struct rcar_phy_platform_data usb_phy_platform_data __initdata;
+
/* SMSC LAN89218 */
static struct resource smsc911x_resources[] = {
[0] = {
@@ -150,26 +148,6 @@ static struct platform_device hspi_device = {
.num_resources = ARRAY_SIZE(hspi_resources),
};
-/* USB PHY */
-static struct resource usb_phy_resources[] = {
- [0] = {
- .start = 0xffe70000,
- .end = 0xffe70900 - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 0xfff70000,
- .end = 0xfff70900 - 1,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct platform_device usb_phy_device = {
- .name = "rcar_usb_phy",
- .resource = usb_phy_resources,
- .num_resources = ARRAY_SIZE(usb_phy_resources),
-};
-
/* LEDS */
static struct gpio_led marzen_leds[] = {
{
@@ -205,161 +183,9 @@ static struct platform_device *marzen_devices[] __initdata = {
&sdhi0_device,
&thermal_device,
&hspi_device,
- &usb_phy_device,
&leds_device,
};
-/* USB */
-static struct usb_phy *phy;
-static int usb_power_on(struct platform_device *pdev)
-{
- if (IS_ERR(phy))
- return PTR_ERR(phy);
-
- pm_runtime_enable(&pdev->dev);
- pm_runtime_get_sync(&pdev->dev);
-
- usb_phy_init(phy);
-
- return 0;
-}
-
-static void usb_power_off(struct platform_device *pdev)
-{
- if (IS_ERR(phy))
- return;
-
- usb_phy_shutdown(phy);
-
- pm_runtime_put_sync(&pdev->dev);
- pm_runtime_disable(&pdev->dev);
-}
-
-static struct usb_ehci_pdata ehcix_pdata = {
- .power_on = usb_power_on,
- .power_off = usb_power_off,
- .power_suspend = usb_power_off,
-};
-
-static struct resource ehci0_resources[] = {
- [0] = {
- .start = 0xffe70000,
- .end = 0xffe70400 - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = gic_iid(0x4c),
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device ehci0_device = {
- .name = "ehci-platform",
- .id = 0,
- .dev = {
- .dma_mask = &ehci0_device.dev.coherent_dma_mask,
- .coherent_dma_mask = 0xffffffff,
- .platform_data = &ehcix_pdata,
- },
- .num_resources = ARRAY_SIZE(ehci0_resources),
- .resource = ehci0_resources,
-};
-
-static struct resource ehci1_resources[] = {
- [0] = {
- .start = 0xfff70000,
- .end = 0xfff70400 - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = gic_iid(0x4d),
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device ehci1_device = {
- .name = "ehci-platform",
- .id = 1,
- .dev = {
- .dma_mask = &ehci1_device.dev.coherent_dma_mask,
- .coherent_dma_mask = 0xffffffff,
- .platform_data = &ehcix_pdata,
- },
- .num_resources = ARRAY_SIZE(ehci1_resources),
- .resource = ehci1_resources,
-};
-
-static struct usb_ohci_pdata ohcix_pdata = {
- .power_on = usb_power_on,
- .power_off = usb_power_off,
- .power_suspend = usb_power_off,
-};
-
-static struct resource ohci0_resources[] = {
- [0] = {
- .start = 0xffe70400,
- .end = 0xffe70800 - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = gic_iid(0x4c),
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device ohci0_device = {
- .name = "ohci-platform",
- .id = 0,
- .dev = {
- .dma_mask = &ohci0_device.dev.coherent_dma_mask,
- .coherent_dma_mask = 0xffffffff,
- .platform_data = &ohcix_pdata,
- },
- .num_resources = ARRAY_SIZE(ohci0_resources),
- .resource = ohci0_resources,
-};
-
-static struct resource ohci1_resources[] = {
- [0] = {
- .start = 0xfff70400,
- .end = 0xfff70800 - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = gic_iid(0x4d),
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device ohci1_device = {
- .name = "ohci-platform",
- .id = 1,
- .dev = {
- .dma_mask = &ohci1_device.dev.coherent_dma_mask,
- .coherent_dma_mask = 0xffffffff,
- .platform_data = &ohcix_pdata,
- },
- .num_resources = ARRAY_SIZE(ohci1_resources),
- .resource = ohci1_resources,
-};
-
-static struct platform_device *marzen_late_devices[] __initdata = {
- &ehci0_device,
- &ehci1_device,
- &ohci0_device,
- &ohci1_device,
-};
-
-void __init marzen_init_late(void)
-{
- /* get usb phy */
- phy = usb_get_phy(USB_PHY_TYPE_USB2);
-
- shmobile_init_late();
- platform_add_devices(marzen_late_devices,
- ARRAY_SIZE(marzen_late_devices));
-}
-
static const struct pinctrl_map marzen_pinctrl_map[] = {
/* HSPI0 */
PIN_MAP_MUX_GROUP_DEFAULT("sh-hspi.0", "pfc-r8a7779",
@@ -407,6 +233,7 @@ static void __init marzen_init(void)
r8a7779_pinmux_init();
r8a7779_add_standard_devices();
+ r8a7779_add_usb_phy_device(&usb_phy_platform_data);
platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
}
@@ -417,6 +244,6 @@ MACHINE_START(MARZEN, "marzen")
.nr_irqs = NR_IRQS_LEGACY,
.init_irq = r8a7779_init_irq,
.init_machine = marzen_init,
- .init_late = marzen_init_late,
+ .init_late = r8a7779_init_late,
.init_time = r8a7779_earlytimer_init,
MACHINE_END
diff --git a/arch/arm/mach-shmobile/clock-r8a7778.c b/arch/arm/mach-shmobile/clock-r8a7778.c
index b251e4d..696d206 100644
--- a/arch/arm/mach-shmobile/clock-r8a7778.c
+++ b/arch/arm/mach-shmobile/clock-r8a7778.c
@@ -105,6 +105,7 @@ static struct clk *main_clks[] = {
enum {
MSTP323, MSTP322, MSTP321,
MSTP114,
+ MSTP100,
MSTP026, MSTP025, MSTP024, MSTP023, MSTP022, MSTP021,
MSTP016, MSTP015,
MSTP_NR };
@@ -114,6 +115,7 @@ static struct clk mstp_clks[MSTP_NR] = {
[MSTP322] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 22, 0), /* SDHI1 */
[MSTP321] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 21, 0), /* SDHI2 */
[MSTP114] = SH_CLK_MSTP32(&p_clk, MSTPCR1, 14, 0), /* Ether */
+ [MSTP100] = SH_CLK_MSTP32(&p_clk, MSTPCR1, 0, 0), /* USB0/1 */
[MSTP026] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 26, 0), /* SCIF0 */
[MSTP025] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 25, 0), /* SCIF1 */
[MSTP024] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 24, 0), /* SCIF2 */
@@ -130,6 +132,8 @@ static struct clk_lookup lookups[] = {
CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP322]), /* SDHI1 */
CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP321]), /* SDHI2 */
CLKDEV_DEV_ID("sh-eth", &mstp_clks[MSTP114]), /* Ether */
+ CLKDEV_DEV_ID("ehci-platform", &mstp_clks[MSTP100]), /* USB EHCI port0/1 */
+ CLKDEV_DEV_ID("ohci-platform", &mstp_clks[MSTP100]), /* USB OHCI port0/1 */
CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP026]), /* SCIF0 */
CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP025]), /* SCIF1 */
CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP024]), /* SCIF2 */
diff --git a/arch/arm/mach-shmobile/include/mach/r8a7778.h b/arch/arm/mach-shmobile/include/mach/r8a7778.h
index ae65b45..1d4207c 100644
--- a/arch/arm/mach-shmobile/include/mach/r8a7778.h
+++ b/arch/arm/mach-shmobile/include/mach/r8a7778.h
@@ -20,10 +20,13 @@
#include <linux/mmc/sh_mobile_sdhi.h>
#include <linux/sh_eth.h>
+#include <linux/platform_data/usb-rcar-phy.h>
extern void r8a7778_add_standard_devices(void);
extern void r8a7778_add_standard_devices_dt(void);
extern void r8a7778_add_ether_device(struct sh_eth_plat_data *pdata);
+extern void r8a7778_add_usb_phy_device(struct rcar_phy_platform_data *pdata);
+extern void r8a7778_init_late(void);
extern void r8a7778_init_delay(void);
extern void r8a7778_init_irq(void);
extern void r8a7778_init_irq_dt(void);
diff --git a/arch/arm/mach-shmobile/include/mach/r8a7779.h b/arch/arm/mach-shmobile/include/mach/r8a7779.h
index 188b295..fc47073 100644
--- a/arch/arm/mach-shmobile/include/mach/r8a7779.h
+++ b/arch/arm/mach-shmobile/include/mach/r8a7779.h
@@ -4,6 +4,7 @@
#include <linux/sh_clk.h>
#include <linux/pm_domain.h>
#include <linux/sh_eth.h>
+#include <linux/platform_data/usb-rcar-phy.h>
struct platform_device;
@@ -33,6 +34,8 @@ extern void r8a7779_add_early_devices(void);
extern void r8a7779_add_standard_devices(void);
extern void r8a7779_add_standard_devices_dt(void);
extern void r8a7779_add_ether_device(struct sh_eth_plat_data *pdata);
+extern void r8a7779_add_usb_phy_device(struct rcar_phy_platform_data *pdata);
+extern void r8a7779_init_late(void);
extern void r8a7779_clock_init(void);
extern void r8a7779_pinmux_init(void);
extern void r8a7779_pm_init(void);
diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c
index 1b9b7f2..f84885a 100644
--- a/arch/arm/mach-shmobile/setup-r8a7778.c
+++ b/arch/arm/mach-shmobile/setup-r8a7778.c
@@ -30,6 +30,12 @@
#include <linux/irqchip.h>
#include <linux/serial_sci.h>
#include <linux/sh_timer.h>
+#include <linux/pm_runtime.h>
+#include <linux/usb/phy.h>
+#include <linux/usb/hcd.h>
+#include <linux/usb/ehci_pdriver.h>
+#include <linux/usb/ohci_pdriver.h>
+#include <linux/dma-mapping.h>
#include <mach/irqs.h>
#include <mach/r8a7778.h>
#include <mach/common.h>
@@ -89,6 +95,99 @@ static struct sh_timer_config sh_tmu1_platform_data = {
&sh_tmu##idx##_platform_data, \
sizeof(sh_tmu##idx##_platform_data))
+/* USB PHY */
+static struct resource usb_phy_resources[] __initdata = {
+ DEFINE_RES_MEM(0xffe70800, 0x100),
+ DEFINE_RES_MEM(0xffe76000, 0x100),
+};
+
+void __init r8a7778_add_usb_phy_device(struct rcar_phy_platform_data *pdata)
+{
+ platform_device_register_resndata(&platform_bus, "rcar_usb_phy", -1,
+ usb_phy_resources,
+ ARRAY_SIZE(usb_phy_resources),
+ pdata, sizeof(*pdata));
+}
+
+/* USB */
+static struct usb_phy *phy;
+
+static int usb_power_on(struct platform_device *pdev)
+{
+ if (IS_ERR(phy))
+ return PTR_ERR(phy);
+
+ pm_runtime_enable(&pdev->dev);
+ pm_runtime_get_sync(&pdev->dev);
+
+ usb_phy_init(phy);
+
+ return 0;
+}
+
+static void usb_power_off(struct platform_device *pdev)
+{
+ if (IS_ERR(phy))
+ return;
+
+ usb_phy_shutdown(phy);
+
+ pm_runtime_put_sync(&pdev->dev);
+ pm_runtime_disable(&pdev->dev);
+}
+
+static int ehci_init_internal_buffer(struct usb_hcd *hcd)
+{
+ /*
+ * Below are recommended values from the datasheet;
+ * see [USB :: Setting of EHCI Internal Buffer].
+ */
+ /* EHCI IP internal buffer setting */
+ iowrite32(0x00ff0040, hcd->regs + 0x0094);
+ /* EHCI IP internal buffer enable */
+ iowrite32(0x00000001, hcd->regs + 0x009C);
+
+ return 0;
+}
+
+static struct usb_ehci_pdata ehci_pdata __initdata = {
+ .power_on = usb_power_on,
+ .power_off = usb_power_off,
+ .power_suspend = usb_power_off,
+ .pre_setup = ehci_init_internal_buffer,
+};
+
+static struct resource ehci_resources[] __initdata = {
+ DEFINE_RES_MEM(0xffe70000, 0x400),
+ DEFINE_RES_IRQ(gic_iid(0x4c)),
+};
+
+static struct usb_ohci_pdata ohci_pdata __initdata = {
+ .power_on = usb_power_on,
+ .power_off = usb_power_off,
+ .power_suspend = usb_power_off,
+};
+
+static struct resource ohci_resources[] __initdata = {
+ DEFINE_RES_MEM(0xffe70400, 0x400),
+ DEFINE_RES_IRQ(gic_iid(0x4c)),
+};
+
+#define USB_PLATFORM_INFO(hci) \
+static struct platform_device_info hci##_info __initdata = { \
+ .parent = &platform_bus, \
+ .name = #hci "-platform", \
+ .id = -1, \
+ .res = hci##_resources, \
+ .num_res = ARRAY_SIZE(hci##_resources), \
+ .data = &hci##_pdata, \
+ .size_data = sizeof(hci##_pdata), \
+ .dma_mask = DMA_BIT_MASK(32), \
+}
+
+USB_PLATFORM_INFO(ehci);
+USB_PLATFORM_INFO(ohci);
+
/* Ether */
static struct resource ether_resources[] = {
DEFINE_RES_MEM(0xfde00000, 0x400),
@@ -197,6 +296,14 @@ void __init r8a7778_add_standard_devices(void)
r8a7778_register_tmu(1);
}
+void __init r8a7778_init_late(void)
+{
+ phy = usb_get_phy(USB_PHY_TYPE_USB2);
+
+ platform_device_register_full(&ehci_info);
+ platform_device_register_full(&ohci_info);
+}
+
static struct renesas_intc_irqpin_config irqpin_platform_data = {
.irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */
.sense_bitfield_width = 2,
@@ -310,6 +417,7 @@ DT_MACHINE_START(R8A7778_DT, "Generic R8A7778 (Flattened Device Tree)")
.init_machine = r8a7778_add_standard_devices_dt,
.init_time = shmobile_timer_init,
.dt_compat = r8a7778_compat_dt,
+ .init_late = r8a7778_init_late,
MACHINE_END
#endif /* CONFIG_USE_OF */
diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c
index dbb13f2..06804a1 100644
--- a/arch/arm/mach-shmobile/setup-r8a7779.c
+++ b/arch/arm/mach-shmobile/setup-r8a7779.c
@@ -32,6 +32,11 @@
#include <linux/sh_intc.h>
#include <linux/sh_timer.h>
#include <linux/dma-mapping.h>
+#include <linux/usb/otg.h>
+#include <linux/usb/hcd.h>
+#include <linux/usb/ehci_pdriver.h>
+#include <linux/usb/ohci_pdriver.h>
+#include <linux/pm_runtime.h>
#include <mach/hardware.h>
#include <mach/irqs.h>
#include <mach/r8a7779.h>
@@ -383,6 +388,165 @@ static struct platform_device sata_device = {
},
};
+/* USB PHY */
+static struct resource usb_phy_resources[] __initdata = {
+ [0] = {
+ .start = 0xffe70800,
+ .end = 0xffe70900 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+/* USB */
+static struct usb_phy *phy;
+
+static int usb_power_on(struct platform_device *pdev)
+{
+ if (IS_ERR(phy))
+ return PTR_ERR(phy);
+
+ pm_runtime_enable(&pdev->dev);
+ pm_runtime_get_sync(&pdev->dev);
+
+ usb_phy_init(phy);
+
+ return 0;
+}
+
+static void usb_power_off(struct platform_device *pdev)
+{
+ if (IS_ERR(phy))
+ return;
+
+ usb_phy_shutdown(phy);
+
+ pm_runtime_put_sync(&pdev->dev);
+ pm_runtime_disable(&pdev->dev);
+}
+
+static int ehci_init_internal_buffer(struct usb_hcd *hcd)
+{
+ /*
+ * Below are recommended values from the datasheet;
+ * see [USB :: Setting of EHCI Internal Buffer].
+ */
+ /* EHCI IP internal buffer setting */
+ iowrite32(0x00ff0040, hcd->regs + 0x0094);
+ /* EHCI IP internal buffer enable */
+ iowrite32(0x00000001, hcd->regs + 0x009C);
+
+ return 0;
+}
+
+static struct usb_ehci_pdata ehcix_pdata = {
+ .power_on = usb_power_on,
+ .power_off = usb_power_off,
+ .power_suspend = usb_power_off,
+ .pre_setup = ehci_init_internal_buffer,
+};
+
+static struct resource ehci0_resources[] = {
+ [0] = {
+ .start = 0xffe70000,
+ .end = 0xffe70400 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = gic_iid(0x4c),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device ehci0_device = {
+ .name = "ehci-platform",
+ .id = 0,
+ .dev = {
+ .dma_mask = &ehci0_device.dev.coherent_dma_mask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &ehcix_pdata,
+ },
+ .num_resources = ARRAY_SIZE(ehci0_resources),
+ .resource = ehci0_resources,
+};
+
+static struct resource ehci1_resources[] = {
+ [0] = {
+ .start = 0xfff70000,
+ .end = 0xfff70400 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = gic_iid(0x4d),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device ehci1_device = {
+ .name = "ehci-platform",
+ .id = 1,
+ .dev = {
+ .dma_mask = &ehci1_device.dev.coherent_dma_mask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &ehcix_pdata,
+ },
+ .num_resources = ARRAY_SIZE(ehci1_resources),
+ .resource = ehci1_resources,
+};
+
+static struct usb_ohci_pdata ohcix_pdata = {
+ .power_on = usb_power_on,
+ .power_off = usb_power_off,
+ .power_suspend = usb_power_off,
+};
+
+static struct resource ohci0_resources[] = {
+ [0] = {
+ .start = 0xffe70400,
+ .end = 0xffe70800 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = gic_iid(0x4c),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device ohci0_device = {
+ .name = "ohci-platform",
+ .id = 0,
+ .dev = {
+ .dma_mask = &ohci0_device.dev.coherent_dma_mask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &ohcix_pdata,
+ },
+ .num_resources = ARRAY_SIZE(ohci0_resources),
+ .resource = ohci0_resources,
+};
+
+static struct resource ohci1_resources[] = {
+ [0] = {
+ .start = 0xfff70400,
+ .end = 0xfff70800 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = gic_iid(0x4d),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device ohci1_device = {
+ .name = "ohci-platform",
+ .id = 1,
+ .dev = {
+ .dma_mask = &ohci1_device.dev.coherent_dma_mask,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &ohcix_pdata,
+ },
+ .num_resources = ARRAY_SIZE(ohci1_resources),
+ .resource = ohci1_resources,
+};
+
/* Ether */
static struct resource ether_resources[] = {
{
@@ -406,7 +570,7 @@ static struct platform_device *r8a7779_devices_dt[] __initdata = {
&tmu01_device,
};
-static struct platform_device *r8a7779_late_devices[] __initdata = {
+static struct platform_device *r8a7779_standard_devices[] __initdata = {
&i2c0_device,
&i2c1_device,
&i2c2_device,
@@ -426,8 +590,8 @@ void __init r8a7779_add_standard_devices(void)
platform_add_devices(r8a7779_devices_dt,
ARRAY_SIZE(r8a7779_devices_dt));
- platform_add_devices(r8a7779_late_devices,
- ARRAY_SIZE(r8a7779_late_devices));
+ platform_add_devices(r8a7779_standard_devices,
+ ARRAY_SIZE(r8a7779_standard_devices));
}
void __init r8a7779_add_ether_device(struct sh_eth_plat_data *pdata)
@@ -438,6 +602,14 @@ void __init r8a7779_add_ether_device(struct sh_eth_plat_data *pdata)
pdata, sizeof(*pdata));
}
+void __init r8a7779_add_usb_phy_device(struct rcar_phy_platform_data *pdata)
+{
+ platform_device_register_resndata(&platform_bus, "rcar_usb_phy", -1,
+ usb_phy_resources,
+ ARRAY_SIZE(usb_phy_resources),
+ pdata, sizeof(*pdata));
+}
+
/* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */
void __init __weak r8a7779_register_twd(void) { }
@@ -470,6 +642,23 @@ void __init r8a7779_add_early_devices(void)
*/
}
+static struct platform_device *r8a7779_late_devices[] __initdata = {
+ &ehci0_device,
+ &ehci1_device,
+ &ohci0_device,
+ &ohci1_device,
+};
+
+void __init r8a7779_init_late(void)
+{
+ /* get USB PHY */
+ phy = usb_get_phy(USB_PHY_TYPE_USB2);
+
+ shmobile_init_late();
+ platform_add_devices(r8a7779_late_devices,
+ ARRAY_SIZE(r8a7779_late_devices));
+}
+
#ifdef CONFIG_USE_OF
void __init r8a7779_init_delay(void)
{
@@ -503,6 +692,7 @@ DT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)")
.init_irq = r8a7779_init_irq_dt,
.init_machine = r8a7779_add_standard_devices_dt,
.init_time = shmobile_timer_init,
+ .init_late = r8a7779_init_late,
.dt_compat = r8a7779_compat_dt,
MACHINE_END
#endif /* CONFIG_USE_OF */
diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index f47f259..d1f5cea 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -48,6 +48,12 @@ static int ehci_platform_reset(struct usb_hcd *hcd)
ehci->big_endian_desc = pdata->big_endian_desc;
ehci->big_endian_mmio = pdata->big_endian_mmio;
+ if (pdata->pre_setup) {
+ retval = pdata->pre_setup(hcd);
+ if (retval < 0)
+ return retval;
+ }
+
ehci->caps = hcd->regs + pdata->caps_offset;
retval = ehci_setup(hcd);
if (retval)
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
index 7ef3eb8..13c09c2 100644
--- a/drivers/usb/phy/Kconfig
+++ b/drivers/usb/phy/Kconfig
@@ -180,15 +180,15 @@ config USB_MXS_PHY
MXS Phy is used by some of the i.MX SoCs, for example imx23/28/6x.
config USB_RCAR_PHY
- tristate "Renesas R-Car USB phy support"
+ tristate "Renesas R-Car USB PHY support"
depends on USB || USB_GADGET
help
- Say Y here to add support for the Renesas R-Car USB phy driver.
- This chip is typically used as USB phy for USB host, gadget.
- This driver supports: R8A7779
+ Say Y here to add support for the Renesas R-Car USB common PHY driver.
+ This chip is typically used as USB PHY for USB host, gadget.
+ This driver supports R8A7778 and R8A7779.
To compile this driver as a module, choose M here: the
- module will be called rcar-phy.
+ module will be called phy-rcar-usb.
config USB_ULPI
bool "Generic ULPI Transceiver Driver"
diff --git a/drivers/usb/phy/phy-rcar-usb.c b/drivers/usb/phy/phy-rcar-usb.c
index a35681b..ae90940 100644
--- a/drivers/usb/phy/phy-rcar-usb.c
+++ b/drivers/usb/phy/phy-rcar-usb.c
@@ -1,8 +1,9 @@
/*
* Renesas R-Car USB phy driver
*
- * Copyright (C) 2012 Renesas Solutions Corp.
+ * Copyright (C) 2012-2013 Renesas Solutions Corp.
* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ * Copyright (C) 2013 Cogent Embedded, Inc.
*
* 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
@@ -15,17 +16,41 @@
#include <linux/platform_device.h>
#include <linux/spinlock.h>
#include <linux/module.h>
-
-/* USBH common register */
-#define USBPCTRL0 0x0800
-#define USBPCTRL1 0x0804
-#define USBST 0x0808
-#define USBEH0 0x080C
-#define USBOH0 0x081C
-#define USBCTL0 0x0858
-#define EIIBC1 0x0094
-#define EIIBC2 0x009C
-
+#include <linux/platform_data/usb-rcar-phy.h>
+
+/* REGS block */
+#define USBPCTRL0 0x00
+#define USBPCTRL1 0x04
+#define USBST 0x08
+#define USBEH0 0x0C
+#define USBOH0 0x1C
+#define USBCTL0 0x58
+
+/* High-speed signal quality characteristic control registers (R8A7778 only) */
+#define HSQCTL1 0x24
+#define HSQCTL2 0x28
+
+/* USBPCTRL0 */
+#define OVC2 (1 << 10) /* (R8A7779 only) */
+ /* Switches the OVC input pin for port 2: */
+ /* 1: USB_OVC2, 0: OVC2 */
+#define OVC1_VBUS1 (1 << 9) /* Switches the OVC input pin for port 1: */
+ /* 1: USB_OVC1, 0: OVC1/VBUS1 */
+ /* Function mode: set to 0 */
+#define OVC0 (1 << 8) /* Switches the OVC input pin for port 0: */
+ /* 1: USB_OVC0 pin, 0: OVC0 */
+#define OVC2_ACT (1 << 6) /* (R8A7779 only) */
+ /* Host mode: OVC2 polarity: */
+ /* 1: active-high, 0: active-low */
+#define PENC (1 << 4) /* Function mode: output level of PENC1 pin: */
+ /* 1: high, 0: low */
+#define OVC0_ACT (1 << 3) /* Host mode: OVC0 polarity: */
+ /* 1: active-high, 0: active-low */
+#define OVC1_ACT (1 << 1) /* Host mode: OVC1 polarity: */
+ /* 1: active-high, 0: active-low */
+ /* Function mode: be sure to set to 1 */
+#define PORT1 (1 << 0) /* Selects port 1 mode: */
+ /* 1: function, 0: host */
/* USBPCTRL1 */
#define PHY_RST (1 << 2)
#define PLL_ENB (1 << 1)
@@ -58,8 +83,10 @@ static int rcar_usb_phy_init(struct usb_phy *phy)
{
struct rcar_usb_phy_priv *priv = usb_phy_to_priv(phy);
struct device *dev = phy->dev;
+ struct rcar_phy_platform_data *pdata = dev->platform_data;
void __iomem *reg0 = priv->reg0;
void __iomem *reg1 = priv->reg1;
+ static const u8 ovcn_act[] = { OVC0_ACT, OVC1_ACT, OVC2_ACT };
int i;
u32 val;
unsigned long flags;
@@ -77,7 +104,16 @@ static int rcar_usb_phy_init(struct usb_phy *phy)
/* (2) start USB-PHY internal PLL */
iowrite32(PHY_ENB | PLL_ENB, (reg0 + USBPCTRL1));
- /* (3) USB module status check */
+ /* (3) set USB-PHY in accord with the conditions of usage */
+ if (reg1) {
+ u32 hsqctl1 = pdata->ferrite_bead ? 0x41 : 0;
+ u32 hsqctl2 = pdata->ferrite_bead ? 0x0d : 7;
+
+ iowrite32(hsqctl1, reg1 + HSQCTL1);
+ iowrite32(hsqctl2, reg1 + HSQCTL2);
+ }
+
+ /* (4) USB module status check */
for (i = 0; i < 1024; i++) {
udelay(10);
val = ioread32(reg0 + USBST);
@@ -90,24 +126,24 @@ static int rcar_usb_phy_init(struct usb_phy *phy)
goto phy_init_end;
}
- /* (4) USB-PHY reset clear */
+ /* (5) USB-PHY reset clear */
iowrite32(PHY_ENB | PLL_ENB | PHY_RST, (reg0 + USBPCTRL1));
- /* set platform specific port settings */
- iowrite32(0x00000000, (reg0 + USBPCTRL0));
-
- /*
- * EHCI IP internal buffer setting
- * EHCI IP internal buffer enable
- *
- * These are recommended value of a datasheet
- * see [USB :: EHCI internal buffer setting]
- */
- iowrite32(0x00ff0040, (reg0 + EIIBC1));
- iowrite32(0x00ff0040, (reg1 + EIIBC1));
-
- iowrite32(0x00000001, (reg0 + EIIBC2));
- iowrite32(0x00000001, (reg1 + EIIBC2));
+ /* Board specific port settings */
+ val = 0;
+ if (pdata->port1_func)
+ val |= PORT1;
+ if (pdata->penc1)
+ val |= PENC;
+ for (i = 0; i < 3; i++) {
+ /* OVCn bits follow each other in the right order */
+ if (pdata->ovc_pin[i].select_3_3v)
+ val |= OVC0 << i;
+ /* OVCn_ACT bits are spaced by irregular intervals */
+ if (pdata->ovc_pin[i].active_high)
+ val |= ovcn_act[i];
+ }
+ iowrite32(val, (reg0 + USBPCTRL0));
/*
* Bus alignment settings
@@ -134,10 +170,8 @@ static void rcar_usb_phy_shutdown(struct usb_phy *phy)
spin_lock_irqsave(&priv->lock, flags);
- if (priv->counter-- == 1) { /* last user */
- iowrite32(0x00000000, (reg0 + USBPCTRL0));
+ if (priv->counter-- == 1) /* last user */
iowrite32(0x00000000, (reg0 + USBPCTRL1));
- }
spin_unlock_irqrestore(&priv->lock, flags);
}
@@ -147,27 +181,29 @@ static int rcar_usb_phy_probe(struct platform_device *pdev)
struct rcar_usb_phy_priv *priv;
struct resource *res0, *res1;
struct device *dev = &pdev->dev;
- void __iomem *reg0, *reg1;
+ void __iomem *reg0, *reg1 = NULL;
int ret;
+ if (!pdev->dev.platform_data) {
+ dev_err(dev, "No platform data\n");
+ return -EINVAL;
+ }
+
res0 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- res1 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (!res0 || !res1) {
+ if (!res0) {
dev_err(dev, "Not enough platform resources\n");
return -EINVAL;
}
- /*
- * CAUTION
- *
- * Because this phy address is also mapped under OHCI/EHCI address area,
- * this driver can't use devm_request_and_ioremap(dev, res) here
- */
- reg0 = devm_ioremap_nocache(dev, res0->start, resource_size(res0));
- reg1 = devm_ioremap_nocache(dev, res1->start, resource_size(res1));
- if (!reg0 || !reg1) {
- dev_err(dev, "ioremap error\n");
- return -ENOMEM;
+ reg0 = devm_ioremap_resource(dev, res0);
+ if (IS_ERR(reg0))
+ return PTR_ERR(reg0);
+
+ res1 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (res1) {
+ reg1 = devm_ioremap_resource(dev, res1);
+ if (IS_ERR(reg1))
+ return PTR_ERR(reg1);
}
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
diff --git a/include/linux/platform_data/usb-rcar-phy.h b/include/linux/platform_data/usb-rcar-phy.h
new file mode 100644
index 0000000..8ec6964
--- /dev/null
+++ b/include/linux/platform_data/usb-rcar-phy.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2013 Renesas Solutions Corp.
+ * Copyright (C) 2013 Cogent Embedded, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __USB_RCAR_PHY_H
+#define __USB_RCAR_PHY_H
+
+#include <linux/types.h>
+
+struct rcar_phy_platform_data {
+ bool ferrite_bead:1; /* (R8A7778 only) */
+
+ bool port1_func:1; /* true: port 1 used by function, false: host */
+ unsigned penc1:1; /* Output of the PENC1 pin in function mode */
+ struct { /* Overcurrent pin control for ports 0..2 */
+ bool select_3_3v:1; /* true: USB_OVCn pin, false: OVCn pin */
+ /* Set to false on port 1 in function mode */
+ bool active_high:1; /* true: active high, false: active low */
+ /* Set to true on port 1 in function mode */
+ } ovc_pin[3]; /* (R8A7778 only has 2 ports) */
+};
+
+#endif /* __USB_RCAR_PHY_H */
diff --git a/include/linux/usb/ehci_pdriver.h b/include/linux/usb/ehci_pdriver.h
index 99238b0..7eb4dcd 100644
--- a/include/linux/usb/ehci_pdriver.h
+++ b/include/linux/usb/ehci_pdriver.h
@@ -19,6 +19,9 @@
#ifndef __USB_CORE_EHCI_PDRIVER_H
#define __USB_CORE_EHCI_PDRIVER_H
+struct platform_device;
+struct usb_hcd;
+
/**
* struct usb_ehci_pdata - platform_data for generic ehci driver
*
@@ -50,6 +53,7 @@ struct usb_ehci_pdata {
/* Turn on only VBUS suspend power and hotplug detection,
* turn off everything else */
void (*power_suspend)(struct platform_device *pdev);
+ int (*pre_setup)(struct usb_hcd *hcd);
};
#endif /* __USB_CORE_EHCI_PDRIVER_H */
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