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GPIO Drive Strength

Posted: Tue Dec 27, 2016 6:00 pm
by james-at-lo-tech
Is it possible to set the GPIO drive strength via an overlay?

I tried already brcm,drive-strength and brcm,drive_strength_mA but without success.

Re: GPIO Drive Strength

Posted: Tue Dec 27, 2016 6:21 pm
by PhilE
Sadly, no. Drive strength isn't settable from the Linux driver as it stands at the moment - the only option is to create a custom dt-blob.bin (not real Device Tree) for the firmware, which is a maintenance headache.

Re: GPIO Drive Strength

Posted: Tue Dec 27, 2016 6:49 pm
by james-at-lo-tech
OK, rc.local script I think is easier, thanks.