diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/power/rx51-battery.txt | 25 | ||||
| -rw-r--r-- | Documentation/power/power_supply_class.txt | 6 |
2 files changed, 31 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/rx51-battery.txt b/Documentation/devicetree/bindings/power/rx51-battery.txt new file mode 100644 index 000000000000..90438453db58 --- /dev/null +++ b/Documentation/devicetree/bindings/power/rx51-battery.txt @@ -0,0 +1,25 @@ +Binding for Nokia N900 battery + +The Nokia N900 battery status can be read via the TWL4030's A/D converter. + +Required properties: +- compatible: Should contain one of the following: + * "nokia,n900-battery" +- io-channels: Should contain IIO channel specifiers + for each element in io-channel-names. +- io-channel-names: Should contain the following values: + * "temp" - The ADC channel for temperature reading + * "bsi" - The ADC channel for battery size identification + * "vbat" - The ADC channel to measure the battery voltage + +Example from Nokia N900: + +battery: n900-battery { + compatible = "nokia,n900-battery"; + io-channels = <&twl4030_madc 0>, + <&twl4030_madc 4>, + <&twl4030_madc 12>; + io-channel-names = "temp", + "bsi", + "vbat"; +}; diff --git a/Documentation/power/power_supply_class.txt b/Documentation/power/power_supply_class.txt index 89a8816990ff..48cff881cb8a 100644 --- a/Documentation/power/power_supply_class.txt +++ b/Documentation/power/power_supply_class.txt @@ -118,6 +118,10 @@ relative, time-based measurements. CONSTANT_CHARGE_CURRENT - constant charge current programmed by charger. CONSTANT_CHARGE_CURRENT_MAX - maximum charge current supported by the power supply object. +INPUT_CURRENT_LIMIT - input current limit programmed by charger. Indicates +the current drawn from a charging source. +CHARGE_TERM_CURRENT - Charge termination current used to detect the end of charge +condition. CONSTANT_CHARGE_VOLTAGE - constant charge voltage programmed by charger. CONSTANT_CHARGE_VOLTAGE_MAX - maximum charge voltage supported by the @@ -140,6 +144,8 @@ TEMP_ALERT_MAX - maximum battery temperature alert. TEMP_AMBIENT - ambient temperature. TEMP_AMBIENT_ALERT_MIN - minimum ambient temperature alert. TEMP_AMBIENT_ALERT_MAX - maximum ambient temperature alert. +TEMP_MIN - minimum operatable temperature +TEMP_MAX - maximum operatable temperature TIME_TO_EMPTY - seconds left for battery to be considered empty (i.e. while battery powers a load) |
