Path where GPIO is Present in imx8mm in Android OS.
it displays 6 gpiochip
but when i export suppose gpio88
then in sys/class/gpio/
it displays 6 gpiochip and 1 gpio
may i know from which path this gpio 88 is exported from
Please take a look at this article from Digi, it could help you to understand where are the GPIO's and how to find it.