sh: Add USB support for EcoVec24

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

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));
 }