diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
index 9a7e959f3825..568c6be1ceaa 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
@@ -141,6 +141,22 @@
 		regulator-boot-on;
 	};
 
+	vreg_wlan: regulator-wlan {
+		compatible = "regulator-fixed";
+
+		regulator-name = "VCC_WLAN_3R9";
+		regulator-min-microvolt = <3900000>;
+		regulator-max-microvolt = <3900000>;
+
+		gpio = <&pmr735a_gpios 1 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&hastings_reg_en>;
+
+		regulator-boot-on;
+	};
+
 	vreg_wwan: regulator-wwan {
 		compatible = "regulator-fixed";
 
@@ -304,6 +320,25 @@
 	status = "okay";
 };
 
+&pcie4 {
+	perst-gpios = <&tlmm 141 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 139 GPIO_ACTIVE_LOW>;
+
+	vddpe-3v3-supply = <&vreg_wlan>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie4_default>;
+
+	status = "okay";
+};
+
+&pcie4_phy {
+	vdda-phy-supply = <&vreg_l6d>;
+	vdda-pll-supply = <&vreg_l4d>;
+
+	status = "okay";
+};
+
 &pmc8280c_lpg {
 	status = "okay";
 };
@@ -646,6 +681,13 @@
 	};
 };
 
+&pmr735a_gpios {
+	hastings_reg_en: hastings-reg-en-state {
+		pins = "gpio1";
+		function = "normal";
+	};
+};
+
 &tlmm {
 	gpio-reserved-ranges = <70 2>, <74 6>, <83 4>, <125 2>, <128 2>, <154 7>;
 
@@ -729,6 +771,29 @@
 		};
 	};
 
+	pcie4_default: pcie4-default-state {
+		clkreq-n-pins {
+			pins = "gpio140";
+			function = "pcie4_clkreq";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+
+		perst-n-pins {
+			pins = "gpio141";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+
+		wake-n-pins {
+			pins = "gpio139";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
 	qup0_i2c4_default: qup0-i2c4-default-state {
 		pins = "gpio171", "gpio172";
 		function = "qup4";