power_supply: Define Binding for power-supplies

[cascardo/linux.git] / Documentation / devicetree / bindings / power_supply / power_supply.txt

diff --git a/Documentation/devicetree/bindings/power_supply/power_supply.txt b/Documentation/devicetree/bindings/power_supply/power_supply.txt
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+++ b/Documentation/devicetree/bindings/power_supply/power_supply.txt
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+Power Supply Core Support
+
+Optional Properties:
+ - power-supplies : This property is added to a supply in order to list the
+   devices which supply it power, referenced by their phandles.
+
+Example:
+
+       usb-charger: power@e {
+               compatible = "some,usb-charger";
+               ...
+       };
+
+       ac-charger: power@c {
+               compatible = "some,ac-charger";
+               ...
+       };
+
+       battery@b {
+               compatible = "some,battery";
+               ...
+               power-supplies = <&usb-charger>, <&ac-charger>;
+       };