Most of the LEDs are powered by a voltage/current regulator. describing in the device-tree makes it possible for the LED core to enable/disable it when needed. Signed-off-by: Jean-Jacques Hiblot <jjhiblot@xxxxxx> --- Documentation/devicetree/bindings/leds/common.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt index 70876ac11367..e093a2b7eb90 100644 --- a/Documentation/devicetree/bindings/leds/common.txt +++ b/Documentation/devicetree/bindings/leds/common.txt @@ -61,6 +61,11 @@ Optional properties for child nodes: - panic-indicator : This property specifies that the LED should be used, if at all possible, as a panic indicator. +- power-supply : A voltage/current regulator used to to power the LED. When a + LED is turned off, the LED core disable its regulator. The + same regulator can power many LED (or other) devices. It is + turned off only when all of its users disabled it. + - trigger-sources : List of devices which should be used as a source triggering this LED activity. Some LEDs can be related to a specific device and should somehow indicate its state. E.g. USB 2.0 -- 2.17.1
