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RTC not keep the date


I would like to use real-time clock but when I reboot the developer board (I
don't turn off the power, and backup capacitor is used for auxiliary supply,
voltage 2.7V (with and without power supply connected)) the clock always
reset to the default value (2000. 01. 01 00:00:00).

The trickle charger bits are set to 5 in menuconfig (1 diode, 2k)

Is there anything I have to change?


Problems with Windows - Reboot.
Problems with Linux       - Be root.

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