Hi,
My questions relates with a board that is using an imx8mp, but I guess the answer would be similar to other i.MX processors.
I have a board with a SOM. Many pins from the SOM connector are not connected to anything on the baseboard. From what I read here and here those pins must be configured as gpio input and pull-up.
I would like to know how to achieve that under Linux and/or U-Boot :
I was not able to find an example of pinctrl configuration for unused pins within Linux sources. So I guess it is more likely to be the first case ?
I also would like to know what pinmuxing mistakes could lead to damage the SoC and therefore what should I be really careful with ?
Thanks a lot,
解決済! 解決策の投稿を見る。
for unused pins, you can refer to the enclosed file as HW design, for SW, if these pins are not mux for other functions, you can just ignore them
Thank you @joanxie , it makes sense.