1*4882a593SmuzhiyunCommon leds properties. 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunOptional properties for child nodes: 4*4882a593Smuzhiyun- label : The label for this LED. If omitted, the label is 5*4882a593Smuzhiyun taken from the node name (excluding the unit address). 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun- linux,default-trigger : This parameter, if present, is a 8*4882a593Smuzhiyun string defining the trigger assigned to the LED. Current triggers are: 9*4882a593Smuzhiyun "backlight" - LED will act as a back-light, controlled by the framebuffer 10*4882a593Smuzhiyun system 11*4882a593Smuzhiyun "default-on" - LED will turn on (but for leds-gpio see "default-state" 12*4882a593Smuzhiyun property in Documentation/devicetree/bindings/gpio/led.txt) 13*4882a593Smuzhiyun "heartbeat" - LED "double" flashes at a load average based rate 14*4882a593Smuzhiyun "ide-disk" - LED indicates disk activity 15*4882a593Smuzhiyun "timer" - LED flashes at a fixed, configurable rate 16*4882a593Smuzhiyun 17*4882a593SmuzhiyunExamples: 18*4882a593Smuzhiyun 19*4882a593Smuzhiyunsystem-status { 20*4882a593Smuzhiyun label = "Status"; 21*4882a593Smuzhiyun linux,default-trigger = "heartbeat"; 22*4882a593Smuzhiyun ... 23*4882a593Smuzhiyun}; 24