diff --git a/arch/arm/boot/dts/rk3288-rock2-som.dtsi b/arch/arm/boot/dts/rk3288-rock2-som.dtsi
index 1813b7c36556e025c724f7fb7fccefd9c9252743..1ece66f3e162786e839c26e5ef89c04b4bc71fec 100644
--- a/arch/arm/boot/dts/rk3288-rock2-som.dtsi
+++ b/arch/arm/boot/dts/rk3288-rock2-som.dtsi
@@ -109,6 +109,7 @@
 	act8846: act8846@5a {
 		compatible = "active-semi,act8846";
 		reg = <0x5a>;
+		system-power-controller;
 		inl1-supply = <&vcc_io>;
 		inl2-supply = <&vcc_sys>;
 		inl3-supply = <&vcc_20>;