sh: Add USB support for EcoVec24
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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35a3540891
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@ -16,6 +16,7 @@
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#include <linux/interrupt.h>
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#include <linux/io.h>
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#include <linux/delay.h>
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#include <linux/usb/r8a66597.h>
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#include <asm/heartbeat.h>
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#include <asm/sh_eth.h>
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#include <cpu/sh7724.h>
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@ -126,10 +127,96 @@ static struct platform_device sh_eth_device = {
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.resource = sh_eth_resources,
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};
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/* USB0 host */
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void usb0_port_power(int port, int power)
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{
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gpio_set_value(GPIO_PTB4, power);
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}
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static struct r8a66597_platdata usb0_host_data = {
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.on_chip = 1,
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.port_power = usb0_port_power,
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};
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static struct resource usb0_host_resources[] = {
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[0] = {
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.start = 0xa4d80000,
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.end = 0xa4d80124 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = 65,
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.end = 65,
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.flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
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},
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};
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static struct platform_device usb0_host_device = {
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.name = "r8a66597_hcd",
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.id = 0,
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.dev = {
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.dma_mask = NULL, /* not use dma */
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.coherent_dma_mask = 0xffffffff,
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.platform_data = &usb0_host_data,
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},
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.num_resources = ARRAY_SIZE(usb0_host_resources),
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.resource = usb0_host_resources,
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};
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/*
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* USB1
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*
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* CN5 can use both host/function,
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* and we can determine it by checking PTB[3]
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*
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* This time only USB1 host is supported.
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*/
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void usb1_port_power(int port, int power)
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{
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if (!gpio_get_value(GPIO_PTB3)) {
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printk(KERN_ERR "USB1 function is not supported\n");
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return;
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}
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gpio_set_value(GPIO_PTB5, power);
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}
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static struct r8a66597_platdata usb1_host_data = {
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.on_chip = 1,
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.port_power = usb1_port_power,
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};
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static struct resource usb1_host_resources[] = {
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[0] = {
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.start = 0xa4d90000,
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.end = 0xa4d90124 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = 66,
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.end = 66,
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.flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
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},
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};
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static struct platform_device usb1_host_device = {
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.name = "r8a66597_hcd",
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.id = 1,
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.dev = {
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.dma_mask = NULL, /* not use dma */
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.coherent_dma_mask = 0xffffffff,
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.platform_data = &usb1_host_data,
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},
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.num_resources = ARRAY_SIZE(usb1_host_resources),
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.resource = usb1_host_resources,
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};
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static struct platform_device *ecovec_devices[] __initdata = {
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&heartbeat_device,
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&nor_flash_device,
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&sh_eth_device,
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&usb0_host_device,
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&usb1_host_device, /* USB1 host support */
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};
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static int __init devices_setup(void)
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@ -165,6 +252,16 @@ static int __init devices_setup(void)
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gpio_request(GPIO_FN_MDC, NULL);
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gpio_request(GPIO_FN_LNKSTA, NULL);
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/* enable USB */
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gpio_request(GPIO_PTB3, NULL);
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gpio_request(GPIO_PTB4, NULL);
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gpio_request(GPIO_PTB5, NULL);
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gpio_direction_input(GPIO_PTB3);
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gpio_direction_output(GPIO_PTB4, 0);
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gpio_direction_output(GPIO_PTB5, 0);
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ctrl_outw(0x0600, 0xa40501d4);
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ctrl_outw(0x0600, 0xa4050192);
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return platform_add_devices(ecovec_devices,
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ARRAY_SIZE(ecovec_devices));
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}
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