arm64: dts: qcom: msm8939-wingtech-wt82918: Add fuel gauge

Signed-off-by: Adam Słaboń <asaillen@protonmail.com>

Author: archeYR

arch/arm64/boot/dts/qcom/msm8939-wingtech-wt82918.dtsi

@@ -25,6 +25,25 @@
 		default-brightness-level = <128>;
 	};
 
+	battery: battery {
+		compatible = "simple-battery";
+		device-chemistry = "lithium-ion-polymer";
+		voltage-min-design-microvolt = <3400000>;
+		voltage-max-design-microvolt = <4400000>;
+		energy-full-design-microwatt-hours = <10450000>;
+		charge-full-design-microamp-hours = <2750000>;
+
+		ocv-capacity-celsius = <25>;
+		ocv-capacity-table-0 = <4365000 100>, <4314000 95>, <4253000 90>,
+			<4194000 85>, <4137000 80>, <4084000 75>, <4032000 70>,
+			<3983000 65>, <3936000 60>, <3888000 55>, <3852000 50>,
+			<3826000 45>, <3806000 40>, <3789000 35>, <3779000 30>,
+			<3769000 25>, <3740000 20>, <3712000 16>, <3702000 13>,
+			<3692000 11>, <3690000 10>, <3688000 9>, <3687000 8>,
+			<3685000 7>, <3680000 6>, <3663000 5>, <3618000 4>,
+			<3558000 3>, <3478000 2>, <3352000 1>, <3000000 0>;
+	};
+
 	flash-led-controller {
 		compatible = "sgmicro,sgm3140";
 		enable-gpios = <&tlmm 31 GPIO_ACTIVE_HIGH>;
@@ -136,6 +155,11 @@
 	reg = <0x0 0x86800000 0x0 0x5500000>;
 };
 
+&pm8916_bms {
+	monitored-battery = <&battery>;
+	status = "okay";
+};
+
 &pm8916_pwm {
 	pinctrl-0 = <&pwm_out>;
 	pinctrl-names = "default";