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RTC Reboot Mode Configuration
Required Properties:
- compatible: must be "reboot-mode-rtc".
- rtc: reference to the rtc device used.
- reg: start register and the number of bytes used. Maximum 4 bytes supported.
- modes: list of properties that define the modes and associated unique ids.
Optional Properties:
- u-boot,env-variable: used to save the reboot mode (default: reboot-mode).
- big-endian: if the magic value is stored in big-endian. (default: false).
Example:
reboot-mode-rtc {
compatible = "reboot-mode-rtc";
rtc = <&rtc_0>;
reg = <0x14 4>;
u-boot,env-variable = "bootstatus";
big-endian;
modes-test = <0x21969147>;
modes-download = <0x51939147>;
};
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