diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
index 4f77c847..f84d97f8 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts
@@ -120,6 +120,10 @@
 	status = "okay";
 };
 
+&cpu0 {
+	cpu-supply = <&vdd_cpu>;
+};
+
 &ehci0 {
 	status = "okay";
 };
@@ -167,6 +171,20 @@
 	status = "okay";
 };
 
+&r_i2c {
+	status = "okay";
+
+	vdd_cpu: regulator@65 {
+		compatible = "silergy,sy8106a";
+		reg = <0x65>;
+		regulator-min-microvolt = <1000000>;
+		regulator-max-microvolt = <1400000>;
+		regulator-ramp-delay = <200>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pins_a>;