+/* USB */
+#if defined(CONFIG_USB_ULPI)
+
+#define OTG_RESET IOMUX_TO_GPIO(MX31_PIN_STXD4)
+#define USBH2_RESET IOMUX_TO_GPIO(MX31_PIN_SCK6)
+#define USBH2_CS IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)
+
+#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
+ PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
+
+static int usbotg_init(struct platform_device *pdev)
+{
+ int err;
+
+ 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);
+
+ /* Chip already enabled by hardware */
+ /* OTG phy reset*/
+ err = gpio_request(OTG_RESET, "USB-OTG-RESET");
+ if (err) {
+ pr_err("Failed to request the usb otg reset gpio\n");
+ return err;
+ }
+
+ err = gpio_direction_output(OTG_RESET, 1/*HIGH*/);
+ if (err) {
+ pr_err("Failed to reset the usb otg phy\n");
+ goto otg_free_reset;
+ }
+
+ gpio_set_value(OTG_RESET, 0/*LOW*/);
+ mdelay(5);
+ gpio_set_value(OTG_RESET, 1/*HIGH*/);
+
+ return 0;
+
+otg_free_reset:
+ gpio_free(OTG_RESET);
+ return err;
+}
+
+static int usbh2_init(struct platform_device *pdev)
+{
+ int err;
+
+ mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
+
+ mxc_iomux_set_gpr(MUX_PGP_UH2, true);
+
+
+ /* Enable the chip */
+ err = gpio_request(USBH2_CS, "USB-H2-CS");
+ if (err) {
+ pr_err("Failed to request the usb host 2 CS gpio\n");
+ return err;
+ }
+
+ err = gpio_direction_output(USBH2_CS, 0/*Enabled*/);
+ if (err) {
+ pr_err("Failed to drive the usb host 2 CS gpio\n");
+ goto h2_free_cs;
+ }
+
+ /* H2 phy reset*/
+ err = gpio_request(USBH2_RESET, "USB-H2-RESET");
+ if (err) {
+ pr_err("Failed to request the usb host 2 reset gpio\n");
+ goto h2_free_cs;
+ }
+
+ err = gpio_direction_output(USBH2_RESET, 1/*HIGH*/);
+ if (err) {
+ pr_err("Failed to reset the usb host 2 phy\n");
+ goto h2_free_reset;
+ }
+
+ gpio_set_value(USBH2_RESET, 0/*LOW*/);
+ mdelay(5);
+ gpio_set_value(USBH2_RESET, 1/*HIGH*/);
+
+ return 0;
+
+h2_free_reset:
+ gpio_free(USBH2_RESET);
+h2_free_cs:
+ gpio_free(USBH2_CS);
+ return err;
+}
+
+static struct mxc_usbh_platform_data usbotg_pdata = {
+ .init = usbotg_init,
+ .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
+ .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_DIFF_UNI,
+};
+
+static struct mxc_usbh_platform_data usbh2_pdata = {
+ .init = usbh2_init,
+ .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
+ .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_DIFF_UNI,
+};
+#endif /* CONFIG_USB_ULPI */
+