linuxdebug/Documentation/devicetree/bindings/rtc/rtc-m41t80.txt

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2024-07-16 15:50:57 +02:00
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:
- 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
Optional child node:
- clock: Provide this if the square wave pin is used as boot-enabled fixed clock.
Example:
rtc@68 {
compatible = "st,m41t80";
reg = <0x68>;
interrupt-parent = <&UIC0>;
interrupts = <0x9 0x8>;
clock {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <32768>;
};
};