Hi,
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Is there anything i forgot to do, for example mknod ......
or mknod the wrong magic 254 ??
[/quote]
No, Since We are facing RTC driver issue "[ 0.390000] drivers/rtc/hctosys.c: unable to open rtc device (rtc0)", and expect to display timing info from RTC h/w.
Is this your EVM board or custom to confirm no h/w issue presents on your board ?