Arietta G25/GPIO Kernel IDs

Kernel IDs

PINNAME	Offset	Pin-Nr	KERNELID
PA0	0	0	0
PA1	1	1	1
...
PB0	32	0	32
PB1	32	1	33
...
PC0	64	0	64
PC1	64	1	65
...
PD0	96	0	96
PD1	96	1	97
...

Shell Code

root@arietta:~# echo <KERNELID> > /sys/class/gpio/export

root@arietta:~# ls -al /sys/class/gpio/pio<PINNAME>/
total 0
drwxr-xr-x 3 root root    0 Jan  1 02:52 .
drwxr-xr-x 4 root root    0 Jan  1 02:46 ..
-rw-r--r-- 1 root root 4096 Jan  1 02:52 active_low
lrwxrwxrwx 1 root root    0 Jan  1 02:52 device -> ../../../fffff400.gpio
-rw-r--r-- 1 root root 4096 Jan  1 02:52 direction
-rw-r--r-- 1 root root 4096 Jan  1 02:52 edge
drwxr-xr-x 2 root root    0 Jan  1 02:52 power
lrwxrwxrwx 1 root root    0 Jan  1 02:46 subsystem -> ../../../../../../../class/gpio
-rw-r--r-- 1 root root 4096 Jan  1 02:46 uevent
-rw-r--r-- 1 root root 4096 Jan  1 02:52 value

root@arietta:/sys/class/gpio# echo <KERNELID> > unexport

root@arietta:/sys/class/gpio# ls -al /sys/class/gpio/pio<PINNAME>/
ls: cannot access pio<PINNAME>/: No such file or directory