56 lines
2.1 KiB
Groff
56 lines
2.1 KiB
Groff
.\" Copyright (c) 2016
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.\" Oleksandr Tymoshenko <gonzo@FreeBSD.org>. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd November 20, 2016
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.Dt BYTGPIO 4
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.Os
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.Sh NAME
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.Nm bytgpio
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.Nd Intel Bay Trail SoC GPIO controller
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.Sh SYNOPSIS
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.Cd "device gpio"
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.Cd "device bytgpio"
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.Sh DESCRIPTION
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The
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.Nm
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is a driver for GPIO controller that can be found in Intel's Bay Trail SoC family.
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.Pp
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Bay Trail SoC has three banks of GPIO pins exposed to userland as /dev/gpiocN,
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where N is 0, 1, and 2. Pins in each bank are pre-named to match names
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on boards schematics: GPIO_S0_SCnn, GPIO_S0_NCnn, and GPIO_S5_nn.
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.Sh SEE ALSO
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.Xr gpio 3 ,
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.Xr gpio 4 ,
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.Xr gpioctl 8
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.Sh HISTORY
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The
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.Nm
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manual page first appeared in
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.Fx 12.0 .
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.Sh AUTHORS
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This driver and man page was written by
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.An Oleksandr Tymoshenko Aq Mt gonzo@FreeBSD.org .
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