arm64: dts: rockchip: add fuel gauge to Pinebook Pro dts

This commit adds cw2015 fuel gauge and battery to the Pinebook Pro dts.
Signed-off-by: Tobias Schramm <t.schramm@manjaro.org>
Link: https://lore.kernel.org/r/20200528172550.2324722-2-t.schramm@manjaro.orgSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts

@@ -28,6 +28,13 @@ backlight: edp-backlight {
 		pwms = <&pwm0 0 740740 0>;
 	};
 
+	bat: battery {
+		compatible = "simple-battery";
+		charge-full-design-microamp-hours = <9800000>;
+		voltage-max-design-microvolt = <4350000>;
+		voltage-min-design-microvolt = <3000000>;
+	};
+
 	edp_panel: edp-panel {
 		compatible = "boe,nv140fhmn49";
 		backlight = <&backlight>;
@@ -741,6 +748,24 @@ usbc_dp: endpoint {
 			};
 		};
 	};
+
+	cw2015@62 {
+		compatible = "cellwise,cw2015";
+		reg = <0x62>;
+		cellwise,battery-profile = /bits/ 8 <
+			0x17 0x67 0x80 0x73 0x6E 0x6C 0x6B 0x63
+			0x77 0x51 0x5C 0x58 0x50 0x4C 0x48 0x36
+			0x15 0x0C 0x0C 0x19 0x5B 0x7D 0x6F 0x69
+			0x69 0x5B 0x0C 0x29 0x20 0x40 0x52 0x59
+			0x57 0x56 0x54 0x4F 0x3B 0x1F 0x7F 0x17
+			0x06 0x1A 0x30 0x5A 0x85 0x93 0x96 0x2D
+			0x48 0x77 0x9C 0xB3 0x80 0x52 0x94 0xCB
+			0x2F 0x00 0x64 0xA5 0xB5 0x11 0xF0 0x11
+		>;
+		cellwise,monitor-interval-ms = <5000>;
+		monitored-battery = <&bat>;
+		power-supplies = <&mains_charger>, <&fusb0>;
+	};
 };
 
 &i2s1 {