PCAGPIO(4)                OpenBSD Programmer's Manual               PCAGPIO(4)

NAME
     pcagpio - Philips PCA955[4567] GPIO controller

SYNOPSIS
     pcagpio* at iic?
     gpio* at pcagpio?

DESCRIPTION
     The pcagpio driver provides support for the Philips PCA955[4567] GPIO
     controllers.  The PCA955[467] devices have 8 pins and the PCA9555 device
     has 16 pins which can be configured as either inputs or outputs, and ac-
     cessed using gpioctl(8).

SEE ALSO
     gpio(4), iic(4), intro(4), gpioctl(8)

AUTHORS
     The pcagpio driver was written by Theo de Raadt <deraadt@openbsd.org>.

OpenBSD 4.7                   September 10, 2008                             1
