To get Beagle GPIOs configured correctly at boot, is a custom overlay
the right way to go? I want a bunch of the PocketBeagle pins configured
as GPIO output low, but some of them start up in other modes with
unwanted signals.
I attempted an overlay config [1]. It may not be correct, but it at
least compiles. It's installed as shown at the top of the file by
putting it in `/lib/firmware` and adding
`dtb_overlay=/lib/firmware/pb_goldibox-00A0.dtbo` to `/boot/uEnv.txt`.
That doesn't seem to have any effect on the pins in question, however.
Hints appreciated!
John
[1]: https://github.com/zultron/goldibox/blob/master/pb_goldibox.dts
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