mx31moboard: move usb otg support back to moboard common file

since all boards finally have this device

Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 45 insertions, 0 deletions

diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c
index 53ce60bdc823..2852bd58edae 100644
--- a/arch/arm/mach-mx3/mx31moboard.c
+++ b/arch/arm/mach-mx3/mx31moboard.c
@@ -17,6 +17,7 @@
  */
 
 #include <linux/delay.h>
+#include <linux/fsl_devices.h>
 #include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
@@ -59,6 +60,18 @@ static unsigned int moboard_pins[] = {
         MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
         /* USB reset */
         MX31_PIN_GPIO1_0__GPIO1_0,
+        /* USB OTG */
+        MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
+        MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
+        MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
+        MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
+        MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
+        MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
+        MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
+        MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
+        MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
+        MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
+        MX31_PIN_USB_OC__GPIO1_30,
 };
 
 static struct physmap_flash_data mx31moboard_flash_data = {
@@ -159,6 +172,35 @@ static void usb_xcvr_reset(void)
         gpio_set_value(USB_RESET_B, 1);
 }
 
+#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
+                        PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
+
+#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
+
+static void moboard_usbotg_init(void)
+{
+        mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
+        mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
+        mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
+        mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
+        mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
+        mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
+        mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
+        mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
+        mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
+        mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
+        mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
+        mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
+
+        gpio_request(OTG_EN_B, "usb-udc-en");
+        gpio_direction_output(OTG_EN_B, 0);
+}
+
+static struct fsl_usb2_platform_data usb_pdata = {
+        .operating_mode = FSL_USB2_DR_DEVICE,
+        .phy_mode       = FSL_USB2_PHY_ULPI,
+};
+
 static struct platform_device *devices[] __initdata = {
         &mx31moboard_flash,
 };
@@ -186,6 +228,9 @@ static void __init mxc_board_init(void)
 
         usb_xcvr_reset();
 
+        moboard_usbotg_init();
+        mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
+
         switch (mx31moboard_baseboard) {
         case MX31NOBOARD:
                 break;