arm64: dts: sprd: Add SC27XX fuel gauge device

wangbaolin719 · arndb · commit 02643475a8d3 · 2019-02-18T11:33:21.000+01:00
Add Spreadtrum SC27XX fuel gauge device node to calculate the
battery capacity.

Signed-off-by: Baolin Wang &lt;baolin.wang@linaro.org&gt;
Signed-off-by: Arnd Bergmann &lt;arnd@arndb.de&gt;
diff --git a/arch/arm64/boot/dts/sprd/sc2731.dtsi b/arch/arm64/boot/dts/sprd/sc2731.dtsi
@@ -70,6 +70,11 @@
 			#size-cells = <1>;
 			hwlocks = <&hwlock 12>;
 
+			fgu_calib: calib@6 {
+				reg = <0x6 0x2>;
+				bits = <0 9>;
+			};
+
 			adc_big_scale: calib@24 {
 				reg = <0x24 0x2>;
 			};
@@ -90,6 +95,19 @@
 			nvmem-cells = <&adc_big_scale>, <&adc_small_scale>;
 		};
 
+		fgu@a00 {
+			compatible = "sprd,sc2731-fgu";
+			reg = <0xa00>;
+			bat-detect-gpio = <&pmic_eic 9 GPIO_ACTIVE_HIGH>;
+			io-channels = <&pmic_adc 3>, <&pmic_adc 6>;
+			io-channel-names = "bat-temp", "charge-vol";
+			monitored-battery = <&bat>;
+			nvmem-cell-names = "fgu_calib";
+			nvmem-cells = <&fgu_calib>;
+			interrupt-parent = <&sc2731_pmic>;
+			interrupts = <4>;
+		};
+
 		vibrator@ec8 {
 			compatible = "sprd,sc27xx-vibrator", "sprd,sc2731-vibrator";
 			reg = <0xec8>;
