+#if defined(CONFIG_USB_GADGET)
+#include <usb.h>
+
+#if defined(CONFIG_USB_GADGET_DWC2_OTG)
+#include <usb/dwc2_udc.h>
+
+static struct dwc2_plat_otg_data otg_data = {
+ .rx_fifo_sz = 512,
+ .np_tx_fifo_sz = 16,
+ .tx_fifo_sz = 128,
+};
+
+int board_usb_init(int index, enum usb_init_type init)
+{
+ ofnode node;
+ const char *mode;
+ bool matched = false;
+
+ /* find the usb_otg node */
+ node = ofnode_by_compatible(ofnode_null(), "snps,dwc2");
+ while (ofnode_valid(node)) {
+ mode = ofnode_read_string(node, "dr_mode");
+ if (mode && strcmp(mode, "otg") == 0) {
+ matched = true;
+ break;
+ }
+
+ node = ofnode_by_compatible(node, "snps,dwc2");
+ }
+ if (!matched) {
+ debug("Not found usb_otg device\n");
+ return -ENODEV;
+ }
+ otg_data.regs_otg = ofnode_get_addr(node);
+
+#ifdef CONFIG_ROCKCHIP_RK3288
+ int ret;
+ u32 phandle, offset;
+ ofnode phy_node;
+
+ ret = ofnode_read_u32(node, "phys", &phandle);
+ if (ret)
+ return ret;
+
+ node = ofnode_get_by_phandle(phandle);
+ if (!ofnode_valid(node)) {
+ debug("Not found usb phy device\n");
+ return -ENODEV;
+ }
+
+ phy_node = ofnode_get_parent(node);
+ if (!ofnode_valid(node)) {
+ debug("Not found usb phy device\n");
+ return -ENODEV;
+ }
+
+ otg_data.phy_of_node = phy_node;
+ ret = ofnode_read_u32(node, "reg", &offset);
+ if (ret)
+ return ret;
+ otg_data.regs_phy = offset +
+ (u32)syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+#endif
+ return dwc2_udc_probe(&otg_data);
+}
+
+int board_usb_cleanup(int index, enum usb_init_type init)