diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-shmobile/Kconfig | 2 | ||||
| -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/setup-r8a7778.c | 108 |
4 files changed, 117 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index 5414402938a5..757c4e97375f 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/clock-r8a7778.c b/arch/arm/mach-shmobile/clock-r8a7778.c index b251e4d0924d..696d206adc3f 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 ae65b459483f..1d4207cc0b04 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/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c index 1b9b7f2a5016..f84885a71f6f 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 */ |