diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-dsa-i2p5g-spim-nand.dts b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-dsa-i2p5g-spim-nand.dts
index 2a24f7d..7f7ddfd 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-dsa-i2p5g-spim-nand.dts
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988a-dsa-i2p5g-spim-nand.dts
@@ -73,6 +73,58 @@
 	};
 };
 
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins>;
+	status = "okay";
+
+	rt5190a_64: rt5190a@64 {
+		compatible = "richtek,rt5190a";
+		reg = <0x64>;
+		/*interrupts-extended = <&gpio26 0 IRQ_TYPE_LEVEL_LOW>;*/
+		vin2-supply = <&rt5190_buck1>;
+		vin3-supply = <&rt5190_buck1>;
+		vin4-supply = <&rt5190_buck1>;
+
+		regulators {
+			rt5190_buck1: buck1 {
+				regulator-name = "rt5190a-buck1";
+				regulator-min-microvolt = <5090000>;
+				regulator-max-microvolt = <5090000>;
+				regulator-allowed-modes =
+				<RT5190A_OPMODE_AUTO RT5190A_OPMODE_FPWM>;
+				regulator-boot-on;
+			};
+			buck2 {
+				regulator-name = "vcore";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <1400000>;
+				regulator-boot-on;
+			};
+			buck3 {
+				regulator-name = "proc";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <1400000>;
+				regulator-boot-on;
+			};
+			buck4 {
+				regulator-name = "rt5190a-buck4";
+				regulator-min-microvolt = <850000>;
+				regulator-max-microvolt = <850000>;
+				regulator-allowed-modes =
+				<RT5190A_OPMODE_AUTO RT5190A_OPMODE_FPWM>;
+				regulator-boot-on;
+			};
+			ldo {
+				regulator-name = "rt5190a-ldo";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-boot-on;
+			};
+		};
+	};
+};
+
 &uart0 {
 	status = "okay";
 };
@@ -166,6 +218,13 @@
 		};
 	};
 
+	i2c0_pins: i2c0-pins-g0 {
+		mux {
+			function = "i2c";
+			groups = "i2c0_1";
+		};
+	};
+
 	pcie0_pins: pcie0-pins {
 		mux {
 			function = "pcie";