xref: /freebsd/sys/contrib/device-tree/Bindings/power/supply/rx51-battery.txt (revision 7ef62cebc2f965b0f640263e179276928885e33d)
1Binding for Nokia N900 battery
2
3The Nokia N900 battery status can be read via the TWL4030's A/D converter.
4
5Required 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
15Example from Nokia N900:
16
17battery: 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};
26