diff options
| -rw-r--r-- | arch/arm/mach-shmobile/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/board-bockw.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/board-marzen.c | 181 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/clock-r8a7778.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/include/mach/r8a7778.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/include/mach/r8a7779.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7778.c | 108 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7779.c | 196 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-platform.c | 6 | ||||
| -rw-r--r-- | drivers/usb/phy/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/usb/phy/phy-rcar-usb.c | 128 | ||||
| -rw-r--r-- | include/linux/platform_data/usb-rcar-phy.h | 28 | ||||
| -rw-r--r-- | include/linux/usb/ehci_pdriver.h | 4 |
13 files changed, 450 insertions, 231 deletions
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index 5414402938a..757c4e97375 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 dac4365c515..7ed2401b899 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 9112faef923..b1b41b199f9 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 b251e4d0924..696d206adc3 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 ae65b459483..1d4207cc0b0 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 188b295938a..fc47073c7ba 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 1b9b7f2a501..f84885a71f6 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 dbb13f289e7..06804a1eb1e 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 f47f2594c9d..d1f5cea435a 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 7ef3eb8617a..13c09c299f1 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 a35681b0c50..ae909408958 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 00000000000..8ec6964a32a --- /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 99238b096f7..7eb4dcd0d38 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 */ |