ISAGPIO(4) | Device Drivers Manual | ISAGPIO(4)

# NAME

`isagpio` — ISA I/O mapped as GPIO

# SYNOPSIS

`isagpio0 at isa? port 0x78`
`isagpio1 at isa? port 0x80`
`gpio* at isagpio?`

# DESCRIPTION

The `isagpio` driver allows access to the 8-bit ISA I/O space through the gpio(4) framework, thus making use of the simple GPIO devices connected directly to the ISA bus.

# SEE ALSO

gpio(4), intro(4), isa(4), gpioctl(8)

# HISTORY

The `isagpio` driver first appeared in OpenBSD 4.0.

# AUTHORS

The `isagpio` driver was written by Oleg Safiullin <form@pdp-11.org.ru>.

July 16, 2013 | Debian