diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi
index c8eb5481f43d..9e4fea84c4fb 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi
@@ -206,6 +206,8 @@ &gpu {
 };
 
 &hdmi {
+	avdd-0v9-supply = <&vcca0v9_s3>;
+	avdd-1v8-supply = <&vcca1v8_s3>;
 	ddc-i2c-bus = <&i2c7>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&hdmi_cec>;