Documentation/devicetree/bindings/rtc/rtc-opal.txt

   1 IBM OPAL real-time clock
   2 ------------------------
   3
   4 Required properties:
   5 - compatible: Should be "ibm,opal-rtc"
   6
   7 Optional properties:
   8 - wakeup-source: Decides if the wakeup is supported or not
   9                  (Legacy property supported: "has-tpo")
  10
  11 Example:
  12         rtc {
  13                 compatible = "ibm,opal-rtc";
  14                 wakeup-source;
  15                 phandle = <0x10000029>;
  16                 linux,phandle = <0x10000029>;
  17         };