diff options
author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2013-08-05 00:43:37 (GMT) |
---|---|---|
committer | Simon Horman <horms+renesas@verge.net.au> | 2013-09-30 07:56:18 (GMT) |
commit | 81a0d9062d5c93490b215d2440bbd7deb3918707 (patch) | |
tree | 28c76e64ed3912bf93c49df797b40fff6a1ac581 | |
parent | 1f52c65975ba16cdba1830ba216776111197a3ee (diff) | |
download | linux-fsl-qoriq-81a0d9062d5c93490b215d2440bbd7deb3918707.tar.xz |
ARM: shmobile: bockw: add USB Function support
Bock-W USB1 (CN29) can be USB Host/Func by SW98/SW99 settings.
USB Func will be enabled if CONFIG_USB_RENESAS_USBHS_UDC[_MODULE]
was selected on this patch
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
-rw-r--r-- | arch/arm/mach-shmobile/board-bockw.c | 81 |
1 files changed, 78 insertions, 3 deletions
diff --git a/arch/arm/mach-shmobile/board-bockw.c b/arch/arm/mach-shmobile/board-bockw.c index 7ad868d..330e84c 100644 --- a/arch/arm/mach-shmobile/board-bockw.c +++ b/arch/arm/mach-shmobile/board-bockw.c @@ -32,6 +32,7 @@ #include <linux/smsc911x.h> #include <linux/spi/spi.h> #include <linux/spi/flash.h> +#include <linux/usb/renesas_usbhs.h> #include <media/soc_camera.h> #include <mach/common.h> #include <mach/irqs.h> @@ -99,6 +100,16 @@ static void __iomem *fpga; * # amixer set "LINEOUT Mixer DACL" on */ +/* + * USB + * + * USB1 (CN29) can be Host/Function + * + * Host Func + * SW98 1 2 + * SW99 1 3 + */ + /* Dummy supplies, where voltage doesn't matter */ static struct regulator_consumer_supply dummy_supplies[] = { REGULATOR_SUPPLY("vddvario", "smsc911x"), @@ -117,13 +128,71 @@ static struct resource smsc911x_resources[] __initdata = { DEFINE_RES_IRQ(irq_pin(0)), /* IRQ 0 */ }; +#if IS_ENABLED(CONFIG_USB_RENESAS_USBHS_UDC) +/* + * When USB1 is Func + */ +static int usbhsf_get_id(struct platform_device *pdev) +{ + return USBHS_GADGET; +} + +#define SUSPMODE 0x102 +static int usbhsf_power_ctrl(struct platform_device *pdev, + void __iomem *base, int enable) +{ + enable = !!enable; + + r8a7778_usb_phy_power(enable); + + iowrite16(enable << 14, base + SUSPMODE); + + return 0; +} + +static struct resource usbhsf_resources[] __initdata = { + DEFINE_RES_MEM(0xffe60000, 0x110), + DEFINE_RES_IRQ(gic_iid(0x4f)), +}; + +static struct renesas_usbhs_platform_info usbhs_info __initdata = { + .platform_callback = { + .get_id = usbhsf_get_id, + .power_ctrl = usbhsf_power_ctrl, + }, + .driver_param = { + .buswait_bwait = 4, + }, +}; + +#define USB_PHY_SETTING {.port1_func = 1, .ovc_pin[1].active_high = 1,} +#define USB1_DEVICE "renesas_usbhs" +#define ADD_USB_FUNC_DEVICE_IF_POSSIBLE() \ + platform_device_register_resndata( \ + &platform_bus, "renesas_usbhs", -1, \ + usbhsf_resources, \ + ARRAY_SIZE(usbhsf_resources), \ + &usbhs_info, sizeof(struct renesas_usbhs_platform_info)) + +#else +/* + * When USB1 is Host + */ +#define USB_PHY_SETTING { } +#define USB1_DEVICE "ehci-platform" +#define ADD_USB_FUNC_DEVICE_IF_POSSIBLE() + +#endif + /* USB */ static struct resource usb_phy_resources[] __initdata = { DEFINE_RES_MEM(0xffe70800, 0x100), DEFINE_RES_MEM(0xffe76000, 0x100), }; -static struct rcar_phy_platform_data usb_phy_platform_data __initdata; +static struct rcar_phy_platform_data usb_phy_platform_data __initdata = + USB_PHY_SETTING; + /* SDHI */ static struct sh_mobile_sdhi_info sdhi0_info __initdata = { @@ -445,7 +514,7 @@ static const struct pinctrl_map bockw_pinctrl_map[] = { /* USB */ PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform", "pfc-r8a7778", "usb0", "usb0"), - PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform", "pfc-r8a7778", + PIN_MAP_MUX_GROUP_DEFAULT(USB1_DEVICE, "pfc-r8a7778", "usb1", "usb1"), /* SDHI0 */ PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778", @@ -583,6 +652,12 @@ static void __init bockw_init(void) } } +static void __init bockw_init_late(void) +{ + r8a7778_init_late(); + ADD_USB_FUNC_DEVICE_IF_POSSIBLE(); +} + static const char *bockw_boards_compat_dt[] __initdata = { "renesas,bockw", NULL, @@ -593,5 +668,5 @@ DT_MACHINE_START(BOCKW_DT, "bockw") .init_irq = r8a7778_init_irq_dt, .init_machine = bockw_init, .dt_compat = bockw_boards_compat_dt, - .init_late = r8a7778_init_late, + .init_late = bockw_init_late, MACHINE_END |