diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi
index 1ae1ebd4e..2f84397d5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi
@@ -62,6 +62,8 @@
 		regulator-name = "vcc3v3_pcie";
 		regulator-always-on;
 		regulator-boot-on;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
 		vin-supply = <&vcc5v0_sys>;
 	};
 
@@ -434,6 +459,21 @@
 	gpio1830-supply = <&vcc_3v0>;
 };
 
+&pcie0 {
+	ep-gpios = <&gpio4 RK_PD3 GPIO_ACTIVE_HIGH>;
+	num-lanes = <4>;
+	max-link-speed = <1>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie_clkreqnb_cpm>;
+	vpcie12v-supply = <&vcc12v_dcin>;
+	vpcie3v3-supply = <&vcc3v3_pcie>;
+	status = "okay";
+};
+
+&pcie_phy {
+	status = "okay";
+};
+
 &pmu_io_domains {
 	status = "okay";