ubuntu-linux-kernel/Documentation/devicetree/bindings/rtc/epson,rx8900.txt

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Real Time Clock driver for:
- Epson RX8900
- Micro Crystal rv8803
Required properties:
- compatible: should be: "microcrystal,rv8803" or "epson,rx8900"
- reg : the I2C address of the device for I2C
Optional properties:
- epson,vdet-disable : boolean, if present will disable voltage detector.
Should be set if no backup battery is used.
- trickle-diode-disable : boolean, if present will disable internal trickle
charger diode
Example:
rtc: rtc@32 {
compatible = "epson,rx8900"
reg = <0x32>;
epson,vdet-disable;
trickle-diode-disable;
};