Usage: /usr/bin/gpioinfo [OPTIONS] [line]...

Print information about GPIO lines.

Lines are specified by name, or optionally by offset if the chip option
is provided.

If no lines are specified then all lines are displayed.

Options:
      --by-name		treat lines as names even if they would parse as an offset
  -c, --chip <chip>	restrict scope to a particular chip
  -h, --help		display this help and exit
  -s, --strict		check all lines - don't assume line names are unique
      --unquoted	don't quote line or consumer names
  -v, --version		output version information and exit

Chips:
    A GPIO chip may be identified by number, name, or path.
    e.g. '0', 'gpiochip0', and '/dev/gpiochip0' all refer to the same chip.