Provided by: freebsd-manpages_12.2-2_all 
      
    
NAME
       bytgpio — Intel Bay Trail SoC GPIO controller
SYNOPSIS
       device gpio
       device bytgpio
DESCRIPTION
       The bytgpio is a driver for GPIO controller that can be found in Intel's Bay Trail SoC family.
       Bay  Trail  SoC  has three banks of GPIO pins exposed to userland as /dev/gpiocN, where N is 0, 1, and 2.
       Pins in each bank are pre-named to match names on  boards  schematics:  GPIO_S0_SCnn,  GPIO_S0_NCnn,  and
       GPIO_S5_nn.
SEE ALSO
       gpio(3), gpio(4), gpioctl(8)
HISTORY
       The bytgpio manual page first appeared in FreeBSD 11.1.
AUTHORS
       This driver and man page was written by Oleksandr Tymoshenko <gonzo@FreeBSD.org>.
Debian                                             May 9, 2017                                        BYTGPIO(4)