[ 0.783778] rtc-pcf8563 0-0051: pcf8563_write_block_data: err=-6 addr=0e, data=03
[ 0.783804] rtc-pcf8563 0-0051: pcf8563_probe: write error
[ 0.783886] rtc-pcf8563: probe of 0-0051 failed with error -5
正常应该是这样的:
[ 0.790354] i2c /dev entries driver
[ 0.799312] rtc-pcf8563 0-0051: rtc core: registered rtc-pcf8563 as rtc0
[ 0.847478] rtc-pcf8563 0-0051: setting system clock to 2021-07-07 00:00:16 UTC (1625616016)
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搞定了, 是因为PCF8563 没有起振。
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