xref: /freebsd/sys/contrib/device-tree/Bindings/rtc/rtc-opal.txt (revision ee3960cba1068e12fb032a68c46d74841d9edab3) 
1IBM OPAL real-time clock
2------------------------
3
4Required properties:
5- compatible: Should be "ibm,opal-rtc"
6
7Optional properties:
8- wakeup-source: Decides if the wakeup is supported or not
9		 (Legacy property supported: "has-tpo")
10
11Example:
12	rtc {
13		compatible = "ibm,opal-rtc";
14		wakeup-source;
15		phandle = <0x10000029>;
16		linux,phandle = <0x10000029>;
17	};
18