ls -la
total 0
drwxr-xr-x  2 root root  700 Nov  3 17:17 .
drwxr-xr-x 15 root root 3320 Nov  3 17:17 ..
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.04 -> /sys/class/gpio/gpio39
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.05 -> /sys/class/gpio/gpio34
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.06 -> /sys/class/gpio/gpio35
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.11 -> /sys/class/gpio/gpio45
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.12 -> /sys/class/gpio/gpio44
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.14 -> /sys/class/gpio/gpio26
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.15 -> /sys/class/gpio/gpio47
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.16 -> /sys/class/gpio/gpio46
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.17 -> /sys/class/gpio/gpio27
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.18 -> /sys/class/gpio/gpio65
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.20 -> /sys/class/gpio/gpio63
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.21 -> /sys/class/gpio/gpio62
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.22 -> /sys/class/gpio/gpio37
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.23 -> /sys/class/gpio/gpio36
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.24 -> /sys/class/gpio/gpio33
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.25 -> /sys/class/gpio/gpio32
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.26 -> /sys/class/gpio/gpio61
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.27 -> /sys/class/gpio/gpio86
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.28 -> /sys/class/gpio/gpio88
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.29 -> /sys/class/gpio/gpio87
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.30 -> /sys/class/gpio/gpio89
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.39 -> /sys/class/gpio/gpio76
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.40 -> /sys/class/gpio/gpio77
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.41 -> /sys/class/gpio/gpio74
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.42 -> /sys/class/gpio/gpio75
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.43 -> /sys/class/gpio/gpio72
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.44 -> /sys/class/gpio/gpio73
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.45 -> /sys/class/gpio/gpio70
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P8.46 -> /sys/class/gpio/gpio71
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P9.14 -> /sys/class/gpio/gpio50
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P9.15 -> /sys/class/gpio/gpio48
lrwxrwxrwx  1 root root   22 Nov  3 17:17 P9.23 -> /sys/class/gpio/gpio49
lrwxrwxrwx  1 root root   23 Nov  3 17:17 P9.27 -> /sys/class/gpio/gpio115