diff --git a/arch/arm64/boot/dts/rockchip/rv1126b-iotest-v10.dts b/arch/arm64/boot/dts/rockchip/rv1126b-iotest-v10.dts
index 2fef1dcf385e..4f3ea4610f34 100644
--- a/arch/arm64/boot/dts/rockchip/rv1126b-iotest-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rv1126b-iotest-v10.dts
@@ -138,3 +138,8 @@
 &rknpu {
 	rknpu-supply = <&vdd_npu>;
 };
+
+&usb_drd_dwc3 {
+	dr_mode = "otg";
+	extcon = <&usb2phy>;
+};