<apritzel>
ad__: you should not need the pinctrl-0 node, I'd guess?
<ad__>
apritzel, ok, not sure if those PAX was used for other functions
<apritzel>
because you reference the pins already via the *-gpios properties, and they would be explicitly requested by the driver then
<apritzel>
from a brief look they look rather uncontended, but you should know best
<apritzel>
(as it depends on the board)
<apritzel>
some Orangepi Zero, by any chance?
<ad__>
it is banana pi m2 zero
<apritzel>
Linux would tell you if there is a conflict, watch dmesg closely
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<ad__>
yes, boot seems good
<ad__>
[ 2.247518] input: matrix-keypad as /devices/platform/matrix-keypad/input/input0
<ad__>
now, i could i test it ? by cat /dev/input/event0 ?
<ad__>
one tjhing not clear is if row lines are driven, or they need pull ups
<apritzel>
I guess you are the person to answer this? If you don't have pull ups in your circuit, you probably need to add " | GPIO_PULL_UP" to enable the internal ones