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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.
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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>
This commit is contained in:
Olof Johansson 2013-06-14 17:36:30 -07:00
Родитель 5ae13ef4e1 1a87b01d3b
Коммит a114926964
13 изменённых файлов: 448 добавлений и 229 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

2
arch/arm/mach-shmobile/Kconfig
Просмотреть файл

@ -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)"

8
arch/arm/mach-shmobile/board-bockw.c
Просмотреть файл

@ -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

181
arch/arm/mach-shmobile/board-marzen.c
Просмотреть файл

@ -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

4
arch/arm/mach-shmobile/clock-r8a7778.c
Просмотреть файл

@ -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 */

3
arch/arm/mach-shmobile/include/mach/r8a7778.h
Просмотреть файл

@ -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);

3
arch/arm/mach-shmobile/include/mach/r8a7779.h
Просмотреть файл

@ -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);

108
arch/arm/mach-shmobile/setup-r8a7778.c
Просмотреть файл

@ -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 */

196
arch/arm/mach-shmobile/setup-r8a7779.c
Просмотреть файл

@ -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 */

6
drivers/usb/host/ehci-platform.c
Просмотреть файл

@ -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)

10
drivers/usb/phy/Kconfig
Просмотреть файл

@ -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"

124
drivers/usb/phy/phy-rcar-usb.c
Просмотреть файл

@ -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>
#include <linux/platform_data/usb-rcar-phy.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
/* 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);

28
include/linux/platform_data/usb-rcar-phy.h Normal file
Просмотреть файл

@ -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 */

4
include/linux/usb/ehci_pdriver.h
Просмотреть файл

@ -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 */