diff --git a/arch/arm/boot/dts/hi3620-hi4511.dts b/arch/arm/boot/dts/hi3620-hi4511.dts
index fe62392..312c3f9 100644
--- a/arch/arm/boot/dts/hi3620-hi4511.dts
+++ b/arch/arm/boot/dts/hi3620-hi4511.dts
@@ -635,6 +635,239 @@
 				pinctrl-single,bias-pullup = <0 1 0 1>;
 			};
 		};
+
+		pmic: pmic@c00000 {
+			compatible = "hisilicon,hi6421-pmic";
+			reg = <0xc00000 0x0180>; /* 0x60 << 2 */
+
+			regulators {
+				// supply for MLC NAND/ eMMC
+				hi6421_vout0_reg: hi6421_vout0 {
+					regulator-name = "VOUT0";
+					regulator-min-microvolt = <2850000>;
+					regulator-max-microvolt = <2850000>;
+				};
+
+				// supply for 26M Oscillator
+				hi6421_vout1_reg: hi6421_vout1 {
+					regulator-name = "VOUT1";
+					regulator-min-microvolt = <1700000>;
+					regulator-max-microvolt = <2000000>;
+					regulator-boot-on;
+					regulator-always-on;
+				};
+
+				// supply for AP system
+				hi6421_vout2_reg: hi6421_vout2 {
+					regulator-name = "VOUT2";
+					regulator-min-microvolt = <1050000>;
+					regulator-max-microvolt = <1400000>;
+					regulator-boot-on;
+					regulator-always-on;
+				};
+
+				// supply for DDR PHY I/O
+				hi6421_vout3_reg: hi6421_vout3 {
+					regulator-name = "VOUT3";
+					regulator-min-microvolt = <1050000>;
+					regulator-max-microvolt = <1400000>;
+					regulator-boot-on;
+					regulator-always-on;
+				};
+
+				// supply for MIPI, USB2.0, PCIe, PLL Analog
+				hi6421_vout4_reg: hi6421_vout4 {
+					regulator-name = "VOUT4";
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <3000000>;
+					regulator-boot-on;
+					regulator-always-on;
+				};
+
+				// supply for I/O 1.8V
+				hi6421_vout5_reg: hi6421_vout5 {
+					regulator-name = "VOUT5";
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <3000000>;
+					regulator-boot-on;
+					regulator-always-on;
+				};
+
+				// supply for I/O 2.6V
+				hi6421_vout6_reg: hi6421_vout6 {
+					regulator-name = "VOUT6";
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <3000000>;
+					regulator-boot-on;
+					regulator-always-on;
+				};
+
+				// supply for SD I/O
+				hi6421_vout7_reg: hi6421_vout7 {
+					regulator-name = "VOUT7";
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <3000000>;
+					regulator-boot-on;
+					regulator-always-on;
+				};
+
+				// supply for USB PHY
+				hi6421_vout8_reg: hi6421_vout8 {
+					regulator-name = "VOUT8";
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <3300000>;
+					regulator-boot-on;
+					regulator-always-on;
+				};
+
+				// supply for Efuse power
+				hi6421_vout9_reg: hi6421_vout9 {
+					regulator-name = "VOUT9";
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <3000000>;
+				};
+
+				// supply for BT RF&PA
+				hi6421_vout10_reg: hi6421_vout10 {
+					regulator-name = "VOUT10";
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <3000000>;
+				};
+
+				// supply for GPS RF&PA
+				hi6421_vout11_reg: hi6421_vout11 {
+					regulator-name = "VOUT11";
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <3000000>;
+				};
+
+				// supply for SD card
+				hi6421_vout12_reg: hi6421_vout12 {
+					regulator-name = "VOUT12";
+					regulator-min-microvolt = <2850000>;
+					regulator-max-microvolt = <2850000>;
+				};
+
+				// supply for CMMB
+				hi6421_vout13_reg: hi6421_vout13 {
+					regulator-name = "VOUT13";
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <3000000>;
+				};
+
+				// supply for WIFI I/O
+				hi6421_vout14_reg: hi6421_vout14 {
+					regulator-name = "VOUT14";
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <3000000>;
+				};
+
+				// supply for WIFI core & PA
+				hi6421_vout15_reg: hi6421_vout15 {
+					regulator-name = "VOUT15";
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <3300000>;
+				};
+
+				// supply for LCD I/O
+				hi6421_vout16_reg: hi6421_vout16 {
+					regulator-name = "VOUT16";
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <3000000>;
+					regulator-always-on;
+				};
+
+				// supply for LCD Ananlog
+				hi6421_vout17_reg: hi6421_vout17 {
+					regulator-name = "VOUT17";
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <3000000>;
+					regulator-always-on;
+				};
+
+				// supply for Camera I/O
+				hi6421_vout18_reg: hi6421_vout18 {
+					regulator-name = "VOUT18";
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <3000000>;
+				};
+
+				// supply for Camera Analog
+				hi6421_vout19_reg: hi6421_vout19 {
+					regulator-name = "VOUT19";
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <3000000>;
+				};
+
+				// supply for Camera VCM
+				hi6421_vout20_reg: hi6421_vout20 {
+					regulator-name = "VOUT20";
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <3000000>;
+				};
+
+				// supply for Audio, incl. HKADC
+				hi6421_vout_audio_reg: hi6421_vout_audio {
+					regulator-name = "AVDD2";
+					regulator-min-microvolt = <2800000>;
+					regulator-max-microvolt = <3300000>;
+				};
+
+				// supply for Cortex-A9 CPU core
+				hi6421_buck0_reg: hi6421_buck0 {
+					regulator-name = "VBUCK0";
+					regulator-min-microvolt = <700000>;
+					regulator-max-microvolt = <1600000>;
+					regulator-boot-on;
+					regulator-always-on;
+				};
+
+				// supply for Cortex-A9 CPU core
+				hi6421_buck1_reg: hi6421_buck1 {
+					regulator-name = "VBUCK1";
+					regulator-min-microvolt = <700000>;
+					regulator-max-microvolt = <1600000>;
+					regulator-boot-on;
+					regulator-always-on;
+				};
+
+				// supply for GPU
+				hi6421_buck2_reg: hi6421_buck2 {
+					regulator-name = "VBUCK2";
+					regulator-min-microvolt = <700000>;
+					regulator-max-microvolt = <1600000>;
+					regulator-boot-on;
+				};
+
+				// supply for Peripheral
+				hi6421_buck3_reg: hi6421_buck3 {
+					regulator-name = "VBUCK3";
+					regulator-min-microvolt = <950000>;
+					regulator-max-microvolt = <1200000>;
+					regulator-boot-on;
+					regulator-always-on;
+				};
+
+				// supply for LPDDR2 and AP I/O
+				hi6421_buck4_reg: hi6421_buck4 {
+					regulator-name = "VBUCK4";
+					regulator-min-microvolt = <1150000>;
+					regulator-max-microvolt = <2000000>;
+					regulator-boot-on;
+					regulator-always-on;
+				};
+
+				// supply for Low voltage
+				hi6421_buck5_reg: hi6421_buck5 {
+					regulator-name = "VBUCK5";
+					regulator-min-microvolt = <1150000>;
+					regulator-max-microvolt = <1900000>;
+					regulator-boot-on;
+					regulator-always-on;
+				};
+			};
+		};
+
 	};
 
 	gpio-keys {
