diff --git a/arch/arm/boot/dts/rk3502.dtsi b/arch/arm/boot/dts/rk3502.dtsi
index ac795287b5b0..4b8fbd6a4b90 100644
--- a/arch/arm/boot/dts/rk3502.dtsi
+++ b/arch/arm/boot/dts/rk3502.dtsi
@@ -853,6 +853,7 @@
 			interrupt-names = "otg-bvalid",
 					  "otg-id",
 					  "linestate";
+			rockchip,low-power-mode;
 			status = "disabled";
 		};