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-rw-r--r--dts/Bindings/power/supply/battery.txt2
-rw-r--r--dts/Bindings/power/supply/sc27xx-fg.txt8
2 files changed, 6 insertions, 4 deletions
diff --git a/dts/Bindings/power/supply/battery.txt b/dts/Bindings/power/supply/battery.txt
index 89871ab..5c913d4 100644
--- a/dts/Bindings/power/supply/battery.txt
+++ b/dts/Bindings/power/supply/battery.txt
@@ -16,6 +16,7 @@ Required Properties:
Optional Properties:
- voltage-min-design-microvolt: drained battery voltage
+ - voltage-max-design-microvolt: fully charged battery voltage
- energy-full-design-microwatt-hours: battery design energy
- charge-full-design-microamp-hours: battery design capacity
- precharge-current-microamp: current for pre-charge phase
@@ -48,6 +49,7 @@ Example:
bat: battery {
compatible = "simple-battery";
voltage-min-design-microvolt = <3200000>;
+ voltage-max-design-microvolt = <4200000>;
energy-full-design-microwatt-hours = <5290000>;
charge-full-design-microamp-hours = <1430000>;
precharge-current-microamp = <256000>;
diff --git a/dts/Bindings/power/supply/sc27xx-fg.txt b/dts/Bindings/power/supply/sc27xx-fg.txt
index fc35ac5..0a5705b 100644
--- a/dts/Bindings/power/supply/sc27xx-fg.txt
+++ b/dts/Bindings/power/supply/sc27xx-fg.txt
@@ -9,8 +9,8 @@ Required properties:
"sprd,sc2731-fgu".
- reg: The address offset of fuel gauge unit.
- battery-detect-gpios: GPIO for battery detection.
-- io-channels: Specify the IIO ADC channel to get temperature.
-- io-channel-names: Should be "bat-temp".
+- io-channels: Specify the IIO ADC channels to get temperature and charge voltage.
+- io-channel-names: Should be "bat-temp" or "charge-vol".
- nvmem-cells: A phandle to the calibration cells provided by eFuse device.
- nvmem-cell-names: Should be "fgu_calib".
- monitored-battery: Phandle of battery characteristics devicetree node.
@@ -47,8 +47,8 @@ Example:
compatible = "sprd,sc2731-fgu";
reg = <0xa00>;
battery-detect-gpios = <&pmic_eic 9 GPIO_ACTIVE_HIGH>;
- io-channels = <&pmic_adc 5>;
- io-channel-names = "bat-temp";
+ io-channels = <&pmic_adc 5>, <&pmic_adc 14>;
+ io-channel-names = "bat-temp", "charge-vol";
nvmem-cells = <&fgu_calib>;
nvmem-cell-names = "fgu_calib";
monitored-battery = <&bat>;