Index: src/arm64/qcom/x1e80100-asus-vivobook-s15.dts
--- src/arm64/qcom/x1e80100-asus-vivobook-s15.dts.orig
+++ src/arm64/qcom/x1e80100-asus-vivobook-s15.dts
@@ -192,6 +192,20 @@
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
 		};
 
+		vreg_l4b_1p8: ldo4 {
+			regulator-name = "vreg_l4b_1p8";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
+		vreg_l13b_3p0: ldo13 {
+			regulator-name = "vreg_l13b_3p0";
+			regulator-min-microvolt = <3072000>;
+			regulator-max-microvolt = <3072000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
 		vreg_l14b_3p0: ldo14 {
 			regulator-name = "vreg_l14b_3p0";
 			regulator-min-microvolt = <3072000>;
@@ -209,6 +223,13 @@
 		vdd-l3-supply = <&vreg_s1f_0p7>;
 		vdd-s4-supply = <&vph_pwr>;
 
+		vreg_l3c_0p8: ldo3 {
+			regulator-name = "vreg_l3c_0p8";
+			regulator-min-microvolt = <912000>;
+			regulator-max-microvolt = <912000>;
+			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+		};
+
 		vreg_s4c_1p8: smps4 {
 			regulator-name = "vreg_s4c_1p8";
 			regulator-min-microvolt = <1856000>;
@@ -401,7 +422,49 @@
 		wakeup-source;
 	};
 
-	/* EC? @ 0x5b, 0x76 */
+	eusb5_repeater: redriver@43 {
+		compatible = "nxp,ptn3222";
+		reg = <0x43>;
+		#phy-cells = <0>;
+
+		vdd3v3-supply = <&vreg_l13b_3p0>;
+		vdd1v8-supply = <&vreg_l4b_1p8>;
+
+		reset-gpios = <&tlmm 7 GPIO_ACTIVE_LOW>;
+
+		pinctrl-0 = <&eusb5_reset_n>;
+		pinctrl-names = "default";
+	};
+
+	eusb3_repeater: redriver@47 {
+		compatible = "nxp,ptn3222";
+		reg = <0x47>;
+		#phy-cells = <0>;
+
+		vdd3v3-supply = <&vreg_l13b_3p0>;
+		vdd1v8-supply = <&vreg_l4b_1p8>;
+
+		reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>;
+
+		pinctrl-0 = <&eusb3_reset_n>;
+		pinctrl-names = "default";
+	};
+
+	eusb6_repeater: redriver@4f {
+		compatible = "nxp,ptn3222";
+		reg = <0x4f>;
+		#phy-cells = <0>;
+
+		vdd3v3-supply = <&vreg_l13b_3p0>;
+		vdd1v8-supply = <&vreg_l4b_1p8>;
+
+		reset-gpios = <&tlmm 184 GPIO_ACTIVE_LOW>;
+
+		pinctrl-0 = <&eusb6_reset_n>;
+		pinctrl-names = "default";
+	};
+
+	/* EC @ 0x76 */
 };
 
 &i2c7 {
@@ -563,6 +626,30 @@
 		bias-disable;
 	};
 
+	eusb3_reset_n: eusb3-reset-n-state {
+		pins = "gpio6";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-up;
+		output-low;
+	};
+
+	eusb5_reset_n: eusb5-reset-n-state {
+		pins = "gpio7";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-up;
+		output-low;
+	};
+
+	eusb6_reset_n: eusb6-reset-n-state {
+		pins = "gpio184";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-up;
+		output-low;
+	};
+
 	hall_int_n_default: hall-int-n-state {
 		pins = "gpio92";
 		function = "gpio";
@@ -697,4 +784,57 @@
 
 &usb_1_ss1_qmpphy_out {
 	remote-endpoint = <&pmic_glink_ss1_ss_in>;
+};
+
+&usb_2 {
+	status = "okay";
+};
+
+&usb_2_dwc3 {
+	dr_mode = "host";
+};
+
+&usb_2_hsphy {
+	vdd-supply = <&vreg_l2e_0p8>;
+	vdda12-supply = <&vreg_l3e_1p2>;
+
+	phys = <&eusb5_repeater>;
+
+	status = "okay";
+};
+
+&usb_mp {
+	status = "okay";
+};
+
+&usb_mp_hsphy0 {
+	vdd-supply = <&vreg_l2e_0p8>;
+	vdda12-supply = <&vreg_l3e_1p2>;
+
+	phys = <&eusb6_repeater>;
+
+	status = "okay";
+};
+
+&usb_mp_hsphy1 {
+	vdd-supply = <&vreg_l2e_0p8>;
+	vdda12-supply = <&vreg_l3e_1p2>;
+
+	phys = <&eusb3_repeater>;
+
+	status = "okay";
+};
+
+&usb_mp_qmpphy0 {
+	vdda-phy-supply = <&vreg_l3e_1p2>;
+	vdda-pll-supply = <&vreg_l3c_0p8>;
+
+	status = "okay";
+};
+
+&usb_mp_qmpphy1 {
+	vdda-phy-supply = <&vreg_l3e_1p2>;
+	vdda-pll-supply = <&vreg_l3c_0p8>;
+
+	status = "okay";
 };
