Hi Fabio, On 2021-11-28 7:15 a.m., Fabio Estevam wrote: > Hi Angus, > > On Sun, Nov 28, 2021 at 11:52 AM Angus Ainslie <an...@akkea.ca> wrote: >> On imx8m it is more correct to read the data register than the pad status >> register. >> >> In output mode the pad status register does not contain the value being >> output so we must read the DR for the value. >> >> In input mode the DR will contain the same value as the PSR when the pad >> mode is GPIO. >> >> If the pad mode is not GPIO and the pin is an input then 0 is always >> returned. > Have you tried setting the SION bit of the pad?
I have tried it with the SION bit set but I thought it would be better if the dts would match the linux dts and return the same result. Angus
