[ARM] 4175/1: SMDK2413: add udc pull-up control

USB gadget pull-up control and device addition
for the SMDK2413/SMDK2412 board.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 40 insertions, 1 deletions

diff --git a/arch/arm/mach-s3c2412/mach-smdk2413.c b/arch/arm/mach-s3c2412/mach-smdk2413.c
index e385069b5ea1..b5befce6c8d3 100644
--- a/arch/arm/mach-s3c2412/mach-smdk2413.c
+++ b/arch/arm/mach-s3c2412/mach-smdk2413.c
@@ -37,6 +37,7 @@
 #include <asm/arch/regs-lcd.h>
 
 #include <asm/arch/idle.h>
+#include <asm/arch/udc.h>
 #include <asm/arch/fb.h>
 
 #include <asm/plat-s3c24xx/s3c2410.h>
@@ -75,12 +76,38 @@ static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
         }
 };
 
+static void smdk2413_udc_pullup(enum s3c2410_udc_cmd_e cmd)
+{
+        printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
+
+        switch (cmd)
+        {
+                case S3C2410_UDC_P_ENABLE :
+                        s3c2410_gpio_setpin(S3C2410_GPF2, 1);
+                        break;
+                case S3C2410_UDC_P_DISABLE :
+                        s3c2410_gpio_setpin(S3C2410_GPF2, 0);
+                        break;
+                case S3C2410_UDC_P_RESET :
+                        break;
+                default:
+                        break;
+        }
+}
+
+
+static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
+        .udc_command            = smdk2413_udc_pullup,
+};
+
+
 static struct platform_device *smdk2413_devices[] __initdata = {
         &s3c_device_usb,
         //&s3c_device_lcd,
         &s3c_device_wdt,
         &s3c_device_i2c,
         &s3c_device_iis,
+        &s3c_device_usbgadget,
 };
 
 static struct s3c24xx_board smdk2413_board __initdata = {
@@ -109,7 +136,19 @@ static void __init smdk2413_map_io(void)
 }
 
 static void __init smdk2413_machine_init(void)
-{
+{       /* Turn off suspend on both USB ports, and switch the
+         * selectable USB port to USB device mode. */
+
+        s3c2410_gpio_setpin(S3C2410_GPF2, 0);
+        s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPIO_OUTPUT);
+
+        s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
+                              S3C2410_MISCCR_USBSUSPND0 |
+                              S3C2410_MISCCR_USBSUSPND1, 0x0);
+
+
+        s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
+
         smdk_machine_init();
 }