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Diffstat (limited to 'Documentation/devicetree/bindings/power/rx51-battery.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/power/rx51-battery.txt | 25 |
1 files changed, 25 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 000000000..90438453d --- /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"; +}; |