Documentation/devicetree/bindings/power/rx51-battery.txt

   1 Binding for Nokia N900 battery
   2
   3 The Nokia N900 battery status can be read via the TWL4030's A/D converter.
   4
   5 Required properties:
   6 - compatible: Should contain one of the following:
   7  * "nokia,n900-battery"
   8 - io-channels: Should contain IIO channel specifiers
   9                for each element in io-channel-names.
  10 - io-channel-names: Should contain the following values:
  11  * "temp" - The ADC channel for temperature reading
  12  * "bsi"  - The ADC channel for battery size identification
  13  * "vbat" - The ADC channel to measure the battery voltage
  14
  15 Example from Nokia N900:
  16
  17 battery: n900-battery {
  18         compatible = "nokia,n900-battery";
  19         io-channels = <&twl4030_madc 0>,
  20                       <&twl4030_madc 4>,
  21                       <&twl4030_madc 12>;
  22         io-channel-names = "temp",
  23                            "bsi",
  24                            "vbat";
  25 };