.\" $NetBSD: pxagpio.4,v 1.3 2017/06/19 10:07:29 pgoyette Exp $
.\"
.\" Copyright (c) 2017 The NetBSD Foundation, Inc.
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.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Steve Woodford.
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.Dd April 15, 2017
.Dt PXAGPIO 4
.Os
.Sh NAME
.Nm pxaip
.Nd Intel Xscale PXA250/PXA270 GPIO Controller
.Sh SYNOPSIS
.Cd "pxagpio* at pxaip?"
.Cd "gpio* at gpiobus?"
.Sh DESCRIPTION
.Nm
is an on-board GPIO controller found in XScale PXA250, PXA255, PXA270,
PXA271, PXA272, and PXA273 processors manufactured by Intel and Marvell
Technology.
The driver supports 86 pins for PXA250 or 121 pins for PXA270
processor families.
Access to the pins is provided by the
.Xr gpio 4
interface.
The driver supports
.Dv GPIO_PIN_INPUT
and
.Dv GPIO_PIN_OUTPUT .
GPIO pins being used in alternate configurations are not available
for GPIO operations.
.Sh SEE ALSO
.Xr gpio 4
.Sh HISTORY
The
.Nm
driver first appeared in
.Nx 2.0 .
GPIO attachment appeared in
.Nx 8.0 .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Steve Woodford
.Aq Mt scw@NetBSD.org .
This manual page was contributed by
.An Stephan Meisinger .