Hello im just a newbie at embedded linux and bbb, im testing a custom cape for the bbb im trying to test and lcd that is connected to the spi0 on the bb, the thing is that the hardware engineer that desing this board connected the MOSI pin to p9_21 i triyed everything i found, to swap this pins by the overlays but i didnt success can some one please help me ?
why is not possible to swap them?, i read is possible with overlays
There is a device tree option ti,pindir-d0-out-d1-in that would probably do what you need.
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I stand corrected; @benedict.hewson is absolutely right, you can swap the pins at your leisure.
Really nifty feature btw. I have not seen that anywhere else.