+
+/* Declare global data pointer */
+DECLARE_GLOBAL_DATA_PTR;
+
+/**
+ * Contains pointers to register base addresses
+ * for the usb controller.
+ */
+struct exynos_ehci {
+ struct exynos_usb_phy *usb;
+ struct ehci_hccr *hcd;
+ struct fdt_gpio_state vbus_gpio;
+};
+
+static struct exynos_ehci exynos;
+
+#ifdef CONFIG_OF_CONTROL
+static int exynos_usb_parse_dt(const void *blob, struct exynos_ehci *exynos)
+{
+ fdt_addr_t addr;
+ unsigned int node;
+ int depth;
+
+ node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS_EHCI);
+ if (node <= 0) {
+ debug("EHCI: Can't get device node for ehci\n");
+ return -ENODEV;
+ }
+
+ /*
+ * Get the base address for EHCI controller from the device node
+ */
+ addr = fdtdec_get_addr(blob, node, "reg");
+ if (addr == FDT_ADDR_T_NONE) {
+ debug("Can't get the EHCI register address\n");
+ return -ENXIO;
+ }
+
+ exynos->hcd = (struct ehci_hccr *)addr;
+
+ /* Vbus gpio */
+ fdtdec_decode_gpio(blob, node, "samsung,vbus-gpio", &exynos->vbus_gpio);
+
+ depth = 0;
+ node = fdtdec_next_compatible_subnode(blob, node,
+ COMPAT_SAMSUNG_EXYNOS_USB_PHY, &depth);
+ if (node <= 0) {
+ debug("EHCI: Can't get device node for usb-phy controller\n");
+ return -ENODEV;
+ }
+
+ /*
+ * Get the base address for usbphy from the device node
+ */
+ exynos->usb = (struct exynos_usb_phy *)fdtdec_get_addr(blob, node,
+ "reg");
+ if (exynos->usb == NULL) {
+ debug("Can't get the usbphy register address\n");
+ return -ENXIO;
+ }
+
+ return 0;
+}
+#endif