Thursday, October 19, 2023

[fedora-arm] RPi4 and support for RTC DS3231

I have an RPi4 running Fedora 38 with kernel 6.5.6-200.fc38.aarch64.

So far I figured out that I have to add this line to the config.txt

[pi4]
dtoverlay=i2c-rtc,ds3231

But after a reboot I am not seeing any /dev/rtc* devices.
Also I'm not seeing any rtc drivers load in lsmod output.

Should this work with the Fedora kernel?
If so what do I need to do to make the RTC show up?

Barry
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