IAC-IMX6-Kit Linux Function and Test Manual
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rtc:
Device Drivers --->
[*] Real Time Clock --->
[*] Set system time from RTC on startup and resume
(rtc0) RTC used to set the system time
[ ] RTC debug support
*** RTC interfaces ***
[*] /sys/class/rtc/rtcN (sysfs)
[*] /proc/driver/rtc (procfs for rtc0)
[*] /dev/rtcN (character devices)
[ ] RTC UIE emulation on dev interface
<*> Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025
FAQ:
Situation: time can not be saved, time travel error is huge, can not
check hardware clock
Debug UART prints the following information
:
Please check the following items:
(1) Whether BT1 on the base plane has installed the battery and
whether the battery has the electricity.
(2)Please check whether [/dev/rtc0]and [/dev/rtc1]node are in
[/dev]directory.