diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
index 43d5401..b967914 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
@@ -33,6 +33,180 @@
 	chosen { };
 };
 
+&pwrap {
+	pmic: mt6397 {
+		compatible = "mediatek,mt6397";
+		interrupt-parent = <&pio>;
+		interrupts = <11 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+
+		mt6397regulator: mt6397regulator {
+			compatible = "mediatek,mt6397-regulator";
+			mt6397_vpca15_reg: buck_vpca15 {
+				regulator-compatible = "buck_vpca15";
+				regulator-name = "vpca15";
+				regulator-min-microvolt = < 700000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-ramp-delay = <12500>;
+				regulator-always-on;
+			};
+			mt6397_vpca7_reg: buck_vpca7 {
+				regulator-compatible = "buck_vpca7";
+				regulator-name = "vpca7";
+				regulator-min-microvolt = < 700000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-ramp-delay = <12500>;
+				regulator-enable-ramp-delay = <115>;
+			};
+			mt6397_vsramca15_reg: buck_vsramca15 {
+				regulator-compatible = "buck_vsramca15";
+				regulator-name = "vsramca15";
+				regulator-min-microvolt = < 700000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-ramp-delay = <12500>;
+				regulator-always-on;
+			};
+			mt6397_vsramca7_reg: buck_vsramca7 {
+				regulator-compatible = "buck_vsramca7";
+				regulator-name = "vsramca7";
+				regulator-min-microvolt = < 700000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-ramp-delay = <12500>;
+				regulator-always-on;
+			};
+			mt6397_vcore_reg: buck_vcore {
+				regulator-compatible = "buck_vcore";
+				regulator-name = "vcore";
+				regulator-min-microvolt = < 700000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-ramp-delay = <12500>;
+				regulator-always-on;
+			};
+			mt6397_vgpu_reg: buck_vgpu {
+				regulator-compatible = "buck_vgpu";
+				regulator-name = "vgpu";
+				regulator-min-microvolt = < 700000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-ramp-delay = <12500>;
+				regulator-enable-ramp-delay = <115>;
+			};
+			mt6397_vdrm_reg: buck_vdrm {
+				regulator-compatible = "buck_vdrm";
+				regulator-name = "vdrm";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1400000>;
+				regulator-ramp-delay = <12500>;
+				regulator-always-on;
+			};
+			mt6397_vio18_reg: buck_vio18 {
+				regulator-compatible = "buck_vio18";
+				regulator-name = "vio18";
+				regulator-min-microvolt = <1620000>;
+				regulator-max-microvolt = <1980000>;
+				regulator-ramp-delay = <12500>;
+				regulator-always-on;
+			};
+			mt6397_vtcxo_reg: ldo_vtcxo {
+				regulator-compatible = "ldo_vtcxo";
+				regulator-name = "vtcxo";
+				regulator-always-on;
+			};
+			mt6397_va28_reg: ldo_va28 {
+				regulator-compatible = "ldo_va28";
+				regulator-name = "va28";
+				regulator-always-on;
+			};
+			mt6397_vcama_reg: ldo_vcama {
+				regulator-compatible = "ldo_vcama";
+				regulator-name = "vcama";
+				regulator-min-microvolt = <1500000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-enable-ramp-delay = <218>;
+			};
+			mt6397_vio28_reg: ldo_vio28 {
+				regulator-compatible = "ldo_vio28";
+				regulator-name = "vio28";
+				regulator-always-on;
+			};
+			mt6397_vusb_reg: ldo_vusb {
+				regulator-compatible = "ldo_vusb";
+				regulator-name = "vusb";
+			};
+			mt6397_vmc_reg: ldo_vmc {
+				regulator-compatible = "ldo_vmc";
+				regulator-name = "vmc";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <218>;
+			};
+			mt6397_vmch_reg: ldo_vmch {
+				regulator-compatible = "ldo_vmch";
+				regulator-name = "vmch";
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <218>;
+			};
+			mt6397_vemc_3v3_reg: ldo_vemc3v3 {
+				regulator-compatible = "ldo_vemc3v3";
+				regulator-name = "vemc_3v3";
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <218>;
+			};
+			mt6397_vgp1_reg: ldo_vgp1 {
+				regulator-compatible = "ldo_vgp1";
+				regulator-name = "vcamd";
+				regulator-min-microvolt = <1220000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <240>;
+			};
+			mt6397_vgp2_reg: ldo_vgp2 {
+				regulator-compatible = "ldo_vgp2";
+				regulator-name = "vcamio";
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <218>;
+			};
+			mt6397_vgp3_reg: ldo_vgp3 {
+				regulator-compatible = "ldo_vgp3";
+				regulator-name = "vcamaf";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <218>;
+			};
+			mt6397_vgp4_reg: ldo_vgp4 {
+				regulator-compatible = "ldo_vgp4";
+				regulator-name = "vgp4";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <218>;
+			};
+			mt6397_vgp5_reg: ldo_vgp5 {
+				regulator-compatible = "ldo_vgp5";
+				regulator-name = "vgp5";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-enable-ramp-delay = <218>;
+			};
+			mt6397_vgp6_reg: ldo_vgp6 {
+				regulator-compatible = "ldo_vgp6";
+				regulator-name = "vgp6";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <218>;
+			};
+			mt6397_vibr_reg: ldo_vibr {
+				regulator-compatible = "ldo_vibr";
+				regulator-name = "vibr";
+				regulator-min-microvolt = <1300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <218>;
+			};
+		};
+	};
+};
+
 &uart0 {
 	status = "okay";
 };
