+
+static int ehci_usb_ofdata_to_platdata(struct udevice *dev)
+{
+ struct usb_platdata *plat = dev_get_platdata(dev);
+ const char *mode;
+
+ mode = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "dr_mode", NULL);
+ if (mode) {
+ if (strcmp(mode, "peripheral") == 0)
+ plat->init_type = USB_INIT_DEVICE;
+ else if (strcmp(mode, "host") == 0)
+ plat->init_type = USB_INIT_HOST;
+ else if (strcmp(mode, "otg") == 0)
+ return ehci_usb_phy_mode(dev);
+ else
+ return -EINVAL;
+
+ return 0;
+ }
+
+ return ehci_usb_phy_mode(dev);
+}
+
+static int ehci_usb_probe(struct udevice *dev)
+{
+ struct usb_platdata *plat = dev_get_platdata(dev);
+ struct usb_ehci *ehci = (struct usb_ehci *)dev_get_addr(dev);
+ struct ehci_mx6_priv_data *priv = dev_get_priv(dev);
+ enum usb_init_type type = plat->init_type;
+ struct ehci_hccr *hccr;
+ struct ehci_hcor *hcor;
+ int ret;
+
+ priv->ehci = ehci;
+ priv->portnr = dev->seq;
+ priv->init_type = type;
+
+ ret = device_get_supply_regulator(dev, "vbus-supply",
+ &priv->vbus_supply);
+ if (ret)
+ debug("%s: No vbus supply\n", dev->name);
+
+ ret = ehci_mx6_common_init(ehci, priv->portnr);
+ if (ret)
+ return ret;
+
+ if (priv->vbus_supply) {
+ ret = regulator_set_enable(priv->vbus_supply,
+ (type == USB_INIT_DEVICE) ?
+ false : true);
+ if (ret) {
+ puts("Error enabling VBUS supply\n");
+ return ret;
+ }
+ }
+
+ if (priv->init_type == USB_INIT_HOST) {
+ setbits_le32(&ehci->usbmode, CM_HOST);
+ writel(CONFIG_MXC_USB_PORTSC, &ehci->portsc);
+ setbits_le32(&ehci->portsc, USB_EN);
+ }
+
+ mdelay(10);
+
+ hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
+ hcor = (struct ehci_hcor *)((uint32_t)hccr +
+ HC_LENGTH(ehci_readl(&(hccr)->cr_capbase)));
+
+ return ehci_register(dev, hccr, hcor, &mx6_ehci_ops, 0, priv->init_type);
+}
+
+static const struct udevice_id mx6_usb_ids[] = {
+ { .compatible = "fsl,imx27-usb" },
+ { }
+};
+
+U_BOOT_DRIVER(usb_mx6) = {
+ .name = "ehci_mx6",
+ .id = UCLASS_USB,
+ .of_match = mx6_usb_ids,
+ .ofdata_to_platdata = ehci_usb_ofdata_to_platdata,
+ .probe = ehci_usb_probe,
+ .remove = ehci_deregister,
+ .ops = &ehci_usb_ops,
+ .platdata_auto_alloc_size = sizeof(struct usb_platdata),
+ .priv_auto_alloc_size = sizeof(struct ehci_mx6_priv_data),
+ .flags = DM_FLAG_ALLOC_PRIV_DMA,
+};
+#endif