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+.\"	$OpenBSD: pcagpio.4,v 1.1 2005/11/16 04:05:54 deraadt Exp $
+.\"
+.\" Copyright (c) 2005 Theo de Raadt <deraadt@openbsd.org>
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.Dd May 16, 2004
+.Dt PCAGPIO 4
+.Os
+.Sh NAME
+.Nm pcagpio
+.Nd Philips PCA9554 gpio
+.Sh SYNOPSIS
+.Cd "pcagpio* at maciic?"
+.Cd "gpio* at pcagpio?"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for the Philips PCA9554
+.Xr gpio 4
+controller.
+The device has 8 pins which can be configured as either
+inputs or outputs, and accessed using
+.Xr gpioctl 8 .
+.\" Both values are made available through the
+.\" .Xr sysctl 8
+.\" interface.
+.Sh SEE ALSO
+.Xr iic 4 ,
+.Xr intro 4 ,
+.Xr gpioctl 8
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm
+driver was written by
+.An Theo de Raadt Aq deraadt@openbsd.org .