| IBM OPAL real-time clock | |
| ------------------------ | |
| Required properties: | |
| - comapatible: Should be "ibm,opal-rtc" | |
| Optional properties: | |
| - wakeup-source: Decides if the wakeup is supported or not | |
| (Legacy property supported: "has-tpo") | |
| Example: | |
| rtc { | |
| compatible = "ibm,opal-rtc"; | |
| wakeup-source; | |
| phandle = <0x10000029>; | |
| linux,phandle = <0x10000029>; | |
| }; |