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authorKuninori Morimoto <morimoto.kuninori@renesas.com>2009-08-26 11:04:31 +0000
committerPaul Mundt <lethal@linux-sh.org>2009-08-27 11:36:09 +0900
commit907050a33d3b6a9f37e2ceca764b60f8e3922466 (patch)
tree0fa7772db97ee69a354d77c93dfddbc548bad7d9 /arch/sh/boards
parent35a35408914bcd22dbaeea710ec1e711b673b59e (diff)
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sh: Add USB support for EcoVec24
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boards')
-rw-r--r--arch/sh/boards/mach-ecovec24/setup.c97
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 8c0c8453d089..7850818bb4e8 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));
}