Documentation/devicetree/bindings/leds/leds-powernv.txt

   1 Device Tree binding for LEDs on IBM Power Systems
   2 -------------------------------------------------
   3
   4 Required properties:
   5 - compatible : Should be "ibm,opal-v3-led".
   6 - led-mode   : Should be "lightpath" or "guidinglight".
   7
   8 Each location code of FRU/Enclosure must be expressed in the
   9 form of a sub-node.
  10
  11 Required properties for the sub nodes:
  12 - led-types : Supported LED types (attention/identify/fault) provided
  13               in the form of string array.
  14
  15 Example:
  16
  17 leds {
  18         compatible = "ibm,opal-v3-led";
  19         led-mode = "lightpath";
  20
  21         U78C9.001.RST0027-P1-C1 {
  22                 led-types = "identify", "fault";
  23         };
  24         ...
  25         ...
  26 };