Kernel-4.18.0-80.el8_rtc-m41t80

ST M41T80 family of RTC and compatible

Required properties:

• compatible: should be one of:
  “st,m41t62”,
  “st,m41t65”,
  “st,m41t80”,
  “st,m41t81”,
  “st,m41t81s”,
  “st,m41t82”,
  “st,m41t83”,
  “st,m41t84”,
  “st,m41t85”,
  “st,m41t87”,
  “microcrystal,rv4162”,
• reg: I2C bus address of the device

Optional properties:

• interrupt-parent: phandle for the interrupt controller.
• interrupts: rtc alarm interrupt.
• clock-output-names: From common clock binding to override the default output

                  clock name
  

• wakeup-source: Enables wake up of host system on alarm

Example:
rtc@68 {
compatible = “st,m41t80”;
reg = <0x68>;
interrupt-parent = <&UIC0>;
interrupts = <0x9 0x8>;
};