diff --git a/arch/arm/boot/dts/rk3506g-iotest-v10.dts b/arch/arm/boot/dts/rk3506g-iotest-v10.dts
index cb9f04dee728..73173d3a7714 100644
--- a/arch/arm/boot/dts/rk3506g-iotest-v10.dts
+++ b/arch/arm/boot/dts/rk3506g-iotest-v10.dts
@@ -203,6 +203,7 @@
 };
 
 &u2phy_otg0 {
+	rockchip,vbus-always-on;
 	status = "okay";
 };