diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2010-04-13 06:16:32 +0000 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-04-15 13:04:33 +0900 |
| commit | fb54d268329846aa13b2bc44a64d90e9b7131192 (patch) | |
| tree | b010d9bc0f89325a91b9e2dbf04c26cad470bd48 /arch/arm/mach-shmobile | |
| parent | 0fff9ec116f2073553cd9b1d1afdc503cf10ef60 (diff) | |
ARM: mach-shmobile: ap4evb: Add USB host support
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/arm/mach-shmobile')
| -rw-r--r-- | arch/arm/mach-shmobile/board-ap4evb.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index e7602945a6a5..d3b8ca5d4041 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -33,6 +33,7 @@ #include <linux/gpio.h> #include <linux/input.h> #include <linux/input/sh_keysc.h> +#include <linux/usb/r8a66597.h> #include <mach/common.h> #include <mach/sh7372.h> #include <asm/mach-types.h> @@ -94,6 +95,15 @@ * OFF | KEY / IrDA / IRQ | IRQ | */ +/* + * USB + * + * J7 : 1-2 MAX3355E VBUS + * 2-3 DC 5.0V + * + * S39: bit2: off + */ + /* MTD */ static struct mtd_partition nor_flash_partitions[] = { { @@ -233,11 +243,53 @@ static struct platform_device sdhi0_device = { .id = 0, }; +/* USB1 */ +void usb1_host_port_power(int port, int power) +{ + if (!power) /* only power-on supported for now */ + return; + + /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */ + __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008); +} + +static struct r8a66597_platdata usb1_host_data = { + .on_chip = 1, + .port_power = usb1_host_port_power, +}; + +static struct resource usb1_host_resources[] = { + [0] = { + .name = "USBHS", + .start = 0xE68B0000, + .end = 0xE68B00E6 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 215, + .end = 215, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device usb1_host_device = { + .name = "r8a66597_hcd", + .id = 1, + .dev = { + .dma_mask = NULL, /* not use dma */ + .coherent_dma_mask = 0xffffffff, + .platform_data = &usb1_host_data, + }, + .num_resources = ARRAY_SIZE(usb1_host_resources), + .resource = usb1_host_resources, +}; + static struct platform_device *ap4evb_devices[] __initdata = { &nor_flash_device, &smc911x_device, &keysc_device, &sdhi0_device, + &usb1_host_device, }; /* TouchScreen (Needs SW3 set to OFF) */ @@ -351,6 +403,17 @@ static void __init ap4evb_init(void) i2c_register_board_info(1, i2c1_devices, ARRAY_SIZE(i2c1_devices)); + /* USB enable */ + gpio_request(GPIO_FN_VBUS0_1, NULL); + gpio_request(GPIO_FN_IDIN_1_18, NULL); + gpio_request(GPIO_FN_PWEN_1_115, NULL); + gpio_request(GPIO_FN_OVCN_1_114, NULL); + gpio_request(GPIO_FN_EXTLP_1, NULL); + gpio_request(GPIO_FN_OVCN2_1, NULL); + + /* setup USB phy */ + __raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */ + sh7372_add_standard_devices(); platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices)); |