arm64: dts: allwinner: h6: enable AXP805 PMIC on Pine H64

Pine H64 board has an AXP805 PMIC on it, wired up in standalone, or
self-working, mode.

Enable it in the device tree.
Signed-off-by: NIcenowy Zheng <icenowy@aosc.io>
Reviewed-by: NIcenowy Zheng <icenowy@aosc.io>
Tested-by: NIcenowy Zheng <icenowy@aosc.io>
Acked-by: NMaxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: NChen-Yu Tsai <wens@csie.org>

arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dts

@@ -44,6 +44,115 @@
 &r_i2c {
 	status = "okay";
 
+	axp805: pmic@36 {
+		compatible = "x-powers,axp805", "x-powers,axp806";
+		reg = <0x36>;
+		interrupt-parent = <&r_intc>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-controller;
+		#interrupt-cells = <1>;
+		x-powers,self-working-mode;
+
+		regulators {
+			reg_aldo1: aldo1 {
+				regulator-always-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-pl";
+			};
+
+			reg_aldo2: aldo2 {
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-ac200";
+			};
+
+			reg_aldo3: aldo3 {
+				/* This regulator is connected with CLDO1 */
+				regulator-always-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-3v3-1";
+			};
+
+			reg_bldo1: bldo1 {
+				regulator-always-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-bias-pll";
+			};
+
+			reg_bldo2: bldo2 {
+				regulator-always-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-efuse-pcie-hdmi-io";
+			};
+
+			reg_bldo3: bldo3 {
+				regulator-always-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-name = "vcc-dcxoio";
+			};
+
+			bldo4 {
+				/* unused */
+			};
+
+			reg_cldo1: cldo1 {
+				/* This regulator is connected with ALDO3 */
+				regulator-always-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-3v3-2";
+			};
+
+			reg_cldo2: cldo2 {
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-wifi-1";
+			};
+
+			reg_cldo3: cldo3 {
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-name = "vcc-wifi-2";
+			};
+
+			reg_dcdca: dcdca {
+				regulator-always-on;
+				regulator-min-microvolt = <810000>;
+				regulator-max-microvolt = <1080000>;
+				regulator-name = "vdd-cpu";
+			};
+
+			reg_dcdcc: dcdcc {
+				regulator-min-microvolt = <810000>;
+				regulator-max-microvolt = <1080000>;
+				regulator-name = "vdd-gpu";
+			};
+
+			reg_dcdcd: dcdcd {
+				regulator-always-on;
+				regulator-min-microvolt = <960000>;
+				regulator-max-microvolt = <960000>;
+				regulator-name = "vdd-sys";
+			};
+
+			reg_dcdce: dcdce {
+				regulator-always-on;
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-name = "vcc-dram";
+			};
+
+			sw {
+				/* unused */
+			};
+		};
+	};
+
 	pcf8563: rtc@51 {
 		compatible = "nxp,pcf8563";
 		reg = <0x51>;