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

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