40 lines
849 B
Plaintext
40 lines
849 B
Plaintext
|
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>;
|
||
|
};
|
||
|
};
|