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Imx7 Picopi gpio mapping and yocto

Question asked by Matti Sillanpää on Dec 18, 2017
Latest reply on Dec 18, 2017 by igorpadykov




I'm scratching my head on how gpio pin names are mapped to actual user space accessable gpio names.


fe. I'm trying to toggle GPIO2_IO01. Normally I would just:

echo XX > /sys/class/gpio/export

However after trying to find something on here, wandboard forum (totally useless) and general googling I'm still no wiser. So any pointers would be appreciated!