arm64: dts: sprd: Add SC2731 charger device

Add charger device node and related battery node for SC2731 PMIC.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm64/boot/dts/sprd/sc2731.dtsi

@@ -17,6 +17,12 @@ sc2731_pmic: pmic@0 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
+		charger@0 {
+			compatible = "sprd,sc2731-charger";
+			reg = <0x0>;
+			monitored-battery = <&bat>;
+		};
+
 		led-controller@200 {
 			compatible = "sprd,sc27xx-bltc", "sprd,sc2731-bltc";
 			reg = <0x200>;

arch/arm64/boot/dts/sprd/sp9860g-1h10.dts

@@ -39,6 +39,22 @@ reserved-memory {
 		#size-cells = <2>;
 		ranges;
 	};
+
+	bat: battery {
+		compatible = "simple-battery";
+		charge-full-design-microamp-hours = <1900000>;
+		charge-term-current-microamp = <120000>;
+		constant_charge_voltage_max_microvolt = <4350000>;
+		internal-resistance-micro-ohms = <250000>;
+		ocv-capacity-celsius = <20>;
+		ocv-capacity-table-0 = <4185000 100>, <4113000 95>, <4066000 90>,
+			<4022000 85>, <3983000 80>, <3949000 75>,
+			<3917000 70>, <3889000 65>, <3864000 60>,
+			<3835000 55>, <3805000 50>, <3787000 45>,
+			<3777000 40>, <3773000 35>, <3770000 30>,
+			<3765000 25>, <3752000 20>, <3724000 15>,
+			<3680000 10>, <3605000 5>, <3400000 0>;
+	};
 };
 
 &uart0 {