PCAGPIO(4) FreeBSD Kernel Interfaces 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
accessed using gpioctl(8).
SEE ALSO
gpio(4), iic(4), intro(4), gpioctl(8)
HISTORY
The pcagpio driver first appeared in OpenBSD 3.9.
AUTHORS
The pcagpio driver was written by Theo de Raadt <
[email protected]>.
FreeBSD 14.1-RELEASE-p8 July 16, 2013 FreeBSD 14.1-RELEASE-p8