root@arm:/sys/kernel/debug/pinctrl# ll
total 0
drwxr-xr-x  5 root root 0 Jan  1  1970 ./
drwx------ 28 root root 0 Jan  1  1970 ../
drwxr-xr-x  2 root root 0 Jan  1  1970 48002030.pinmux/
drwxr-xr-x  2 root root 0 Jan  1  1970 480025a0.pinmux/
drwxr-xr-x  2 root root 0 Jan  1  1970 48002a00.pinmux/
-r--r--r--  1 root root 0 Jan  1  1970 pinctrl-devices
-r--r--r--  1 root root 0 Jan  1  1970 pinctrl-handles
-r--r--r--  1 root root 0 Jan  1  1970 pinctrl-maps
root@arm:/sys/kernel/debug/pinctrl#