diff --git a/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi b/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi
index 03626e71ea..96cc84e5aa 100644
--- a/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi
+++ b/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi
@@ -23,6 +23,19 @@
 		regulator-max-microvolt = <12000000>;
 	};
 
+	vcc3v3_pcie30: vcc3v3-pcie30-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc3v3_pcie30";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		enable-active-high;
+		gpios = <&gpio1 RK_PA4 GPIO_ACTIVE_HIGH>;
+		startup-delay-us = <5000>;
+		vin-supply = <&vcc5v0_sys>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pcie3_vcc3v3_en>;
+	};
+
 	vcc5v0_usbdcin: vcc5v0-usbdcin {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc5v0_usbdcin";
@@ -71,6 +84,18 @@
 	status = "okay";
 };
 
+&pcie30phy {
+	status = "okay";
+};
+
+&pcie3x4 {
+	reset-gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>;
+	vpcie3v3-supply = <&vcc3v3_pcie30>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie3_rst>;
+	status = "okay";
+};
+
 &pinctrl {
 	pcie {
 		pcie_reset_h: pcie-reset-h {
@@ -81,6 +106,14 @@
 			rockchip,pins = <3 RK_PC7 4 &pcfg_pull_none>,
 					<3 RK_PD0 4 &pcfg_pull_none>;
 		};
+
+		pcie3_rst: pcie3-rst {
+			rockchip,pins = <4 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+
+		pcie3_vcc3v3_en: pcie3-vcc3v3-en {
+			rockchip,pins = <1 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
 	};
 
 	usb-typec {
diff --git a/configs/rock5b-rk3588_defconfig b/configs/rock5b-rk3588_defconfig
index 6428aab420..447913facc 100644
--- a/configs/rock5b-rk3588_defconfig
+++ b/configs/rock5b-rk3588_defconfig
@@ -80,6 +80,7 @@ CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SPI_FLASH_XTX=y
 CONFIG_PHYLIB=y
 CONFIG_RTL8169=y
+CONFIG_NVME_PCI=y
 CONFIG_PCIE_DW_ROCKCHIP=y
 CONFIG_PHY_ROCKCHIP_INNO_USB2=y
 CONFIG_PHY_ROCKCHIP_NANENG_COMBOPHY=y