[ARM] pxa/colibri320: Add UDC support

Add support for PXA UDC.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/colibri-pxa320.c b/arch/arm/mach-pxa/colibri-pxa320.c
index ae835fad7d10..99e850d84710 100644
--- a/arch/arm/mach-pxa/colibri-pxa320.c
+++ b/arch/arm/mach-pxa/colibri-pxa320.c
@@ -16,6 +16,7 @@
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
 #include <linux/interrupt.h>
+#include <linux/usb/gpio_vbus.h>
 
 #include <asm/mach-types.h>
 #include <asm/sizes.h>
@@ -28,6 +29,8 @@
 #include <mach/pxafb.h>
 #include <mach/ohci.h>
 #include <mach/audio.h>
+#include <mach/pxa27x-udc.h>
+#include <mach/udc.h>
 
 #include "generic.h"
 #include "devices.h"
@@ -101,6 +104,42 @@ void __init colibri_pxa320_init_ohci(void)
 static inline void colibri_pxa320_init_ohci(void) {}
 #endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */
 
+#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE)
+static struct gpio_vbus_mach_info colibri_pxa320_gpio_vbus_info = {
+        .gpio_vbus              = mfp_to_gpio(MFP_PIN_GPIO96),
+        .gpio_pullup            = -1,
+};
+
+static struct platform_device colibri_pxa320_gpio_vbus = {
+        .name   = "gpio-vbus",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &colibri_pxa320_gpio_vbus_info,
+        },
+};
+
+static void colibri_pxa320_udc_command(int cmd)
+{
+        if (cmd == PXA2XX_UDC_CMD_CONNECT)
+                UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE;
+        else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
+                UP2OCR = UP2OCR_HXOE;
+}
+
+static struct pxa2xx_udc_mach_info colibri_pxa320_udc_info __initdata = {
+        .udc_command            = colibri_pxa320_udc_command,
+        .gpio_pullup            = -1,
+};
+
+static void __init colibri_pxa320_init_udc(void)
+{
+        pxa_set_udc_info(&colibri_pxa320_udc_info);
+        platform_device_register(&colibri_pxa320_gpio_vbus);
+}
+#else
+static inline void colibri_pxa320_init_udc(void) {}
+#endif
+
 static mfp_cfg_t colibri_pxa320_mmc_pin_config[] __initdata = {
         GPIO22_MMC1_CLK,
         GPIO23_MMC1_CMD,
@@ -212,6 +251,7 @@ void __init colibri_pxa320_init(void)
         colibri_pxa3xx_init_mmc(ARRAY_AND_SIZE(colibri_pxa320_mmc_pin_config),
                                 mfp_to_gpio(MFP_PIN_GPIO28));
         colibri_pxa320_init_uart();
+        colibri_pxa320_init_udc();
 }
 
 MACHINE_START(COLIBRI320, "Toradex Colibri PXA320")