diff options
| -rw-r--r-- | arch/sh/boards/mach-ecovec24/setup.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c index 8c0c8453d08..7850818bb4e 100644 --- a/arch/sh/boards/mach-ecovec24/setup.c +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -16,6 +16,7 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/delay.h> +#include <linux/usb/r8a66597.h> #include <asm/heartbeat.h> #include <asm/sh_eth.h> #include <cpu/sh7724.h> @@ -126,10 +127,96 @@ static struct platform_device sh_eth_device = { .resource = sh_eth_resources, }; +/* USB0 host */ +void usb0_port_power(int port, int power) +{ + gpio_set_value(GPIO_PTB4, power); +} + +static struct r8a66597_platdata usb0_host_data = { + .on_chip = 1, + .port_power = usb0_port_power, +}; + +static struct resource usb0_host_resources[] = { + [0] = { + .start = 0xa4d80000, + .end = 0xa4d80124 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 65, + .end = 65, + .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW, + }, +}; + +static struct platform_device usb0_host_device = { + .name = "r8a66597_hcd", + .id = 0, + .dev = { + .dma_mask = NULL, /* not use dma */ + .coherent_dma_mask = 0xffffffff, + .platform_data = &usb0_host_data, + }, + .num_resources = ARRAY_SIZE(usb0_host_resources), + .resource = usb0_host_resources, +}; + +/* + * USB1 + * + * CN5 can use both host/function, + * and we can determine it by checking PTB[3] + * + * This time only USB1 host is supported. + */ +void usb1_port_power(int port, int power) +{ + if (!gpio_get_value(GPIO_PTB3)) { + printk(KERN_ERR "USB1 function is not supported\n"); + return; + } + + gpio_set_value(GPIO_PTB5, power); +} + +static struct r8a66597_platdata usb1_host_data = { + .on_chip = 1, + .port_power = usb1_port_power, +}; + +static struct resource usb1_host_resources[] = { + [0] = { + .start = 0xa4d90000, + .end = 0xa4d90124 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 66, + .end = 66, + .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW, + }, +}; + +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 *ecovec_devices[] __initdata = { &heartbeat_device, &nor_flash_device, &sh_eth_device, + &usb0_host_device, + &usb1_host_device, /* USB1 host support */ }; static int __init devices_setup(void) @@ -165,6 +252,16 @@ static int __init devices_setup(void) gpio_request(GPIO_FN_MDC, NULL); gpio_request(GPIO_FN_LNKSTA, NULL); + /* enable USB */ + gpio_request(GPIO_PTB3, NULL); + gpio_request(GPIO_PTB4, NULL); + gpio_request(GPIO_PTB5, NULL); + gpio_direction_input(GPIO_PTB3); + gpio_direction_output(GPIO_PTB4, 0); + gpio_direction_output(GPIO_PTB5, 0); + ctrl_outw(0x0600, 0xa40501d4); + ctrl_outw(0x0600, 0xa4050192); + return platform_add_devices(ecovec_devices, ARRAY_SIZE(ecovec_devices)); } |