sh: mach-ecovec24: Add USB1 gadget support

USB1 can change to host/function by checking PTB3.
This patch add USB1 gadget support and check PTB3 when boot,
and change name to usb1_common_XXX from usb1_host_XXX.

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

1 files changed, 17 insertions, 21 deletions

diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index da851a3b714a..c3d05e5be2e9 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -188,30 +188,18 @@ static struct platform_device usb0_host_device = {
         .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.
- */
+/* USB1 host/function */
 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 = {
+static struct r8a66597_platdata usb1_common_data = {
         .on_chip = 1,
         .port_power = usb1_port_power,
 };
 
-static struct resource usb1_host_resources[] = {
+static struct resource usb1_common_resources[] = {
         [0] = {
                 .start  = 0xa4d90000,
                 .end    = 0xa4d90124 - 1,
@@ -224,16 +212,16 @@ static struct resource usb1_host_resources[] = {
         },
 };
 
-static struct platform_device usb1_host_device = {
-        .name           = "r8a66597_hcd",
+static struct platform_device usb1_common_device = {
+        /* .name will be added in arch_setup */
         .id             = 1,
         .dev = {
                 .dma_mask               = NULL,         /*  not use dma */
                 .coherent_dma_mask      = 0xffffffff,
-                .platform_data          = &usb1_host_data,
+                .platform_data          = &usb1_common_data,
         },
-        .num_resources  = ARRAY_SIZE(usb1_host_resources),
-        .resource       = usb1_host_resources,
+        .num_resources  = ARRAY_SIZE(usb1_common_resources),
+        .resource       = usb1_common_resources,
 };
 
 /* LCDC */
@@ -484,7 +472,7 @@ static struct platform_device *ecovec_devices[] __initdata = {
         &nor_flash_device,
         &sh_eth_device,
         &usb0_host_device,
-        &usb1_host_device, /* USB1 host support */
+        &usb1_common_device,
         &lcdc_device,
         &ceu0_device,
         &ceu1_device,
@@ -589,6 +577,14 @@ static int __init arch_setup(void)
         ctrl_outw(0x0600, 0xa40501d4);
         ctrl_outw(0x0600, 0xa4050192);
 
+        if (gpio_get_value(GPIO_PTB3)) {
+                printk(KERN_INFO "USB1 function is selected\n");
+                usb1_common_device.name = "r8a66597_udc";
+        } else {
+                printk(KERN_INFO "USB1 host is selected\n");
+                usb1_common_device.name = "r8a66597_hcd";
+        }
+
         /* enable LCDC */
         gpio_request(GPIO_FN_LCDD23,   NULL);
         gpio_request(GPIO_FN_LCDD22,   NULL);