1 Common leds properties.
3 Optional properties for child nodes:
4 - label : The label for this LED. If omitted, the label is
5 taken from the node name (excluding the unit address).
7 - linux,default-trigger : This parameter, if present, is a
8 string defining the trigger assigned to the LED. Current triggers are:
9 "backlight" - LED will act as a back-light, controlled by the framebuffer
11 "default-on" - LED will turn on (but for leds-gpio see "default-state"
12 property in Documentation/devicetree/bindings/gpio/led.txt)
13 "heartbeat" - LED "double" flashes at a load average based rate
14 "ide-disk" - LED indicates disk activity
15 "timer" - LED flashes at a fixed, configurable rate
21 linux,default-trigger = "heartbeat";