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[bytgpio] Add bytgpio(4) man page with general description of the driver

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MFC after:	3 days
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Oleksandr Tymoshenko 2016-11-21 19:46:10 +00:00
parent fd98051117
commit 119bea9ff5
2 changed files with 57 additions and 0 deletions
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2
share/man/man4/Makefile
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@ -86,6 +86,7 @@ MAN= aac.4 \
bt.4 \
bwi.4 \
bwn.4 \
${_bytgpio.4} \
capsicum.4 \
cardbus.4 \
carp.4 \
@ -774,6 +775,7 @@ _amdsmb.4= amdsmb.4
_amdtemp.4= amdtemp.4
_asmc.4= asmc.4
_bxe.4= bxe.4
_bytgpio.4= bytgpio.4
_coretemp.4= coretemp.4
_cpuctl.4= cpuctl.4
_dpms.4= dpms.4

55
share/man/man4/bytgpio.4 Normal file
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@ -0,0 +1,55 @@
.\" Copyright (c) 2016
.\" Oleksandr Tymoshenko <gonzo@FreeBSD.org>. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd November 20, 2016
.Dt BYTGPIO 4
.Os
.Sh NAME
.Nm bytgpio
.Nd Intel Bay Trail SoC GPIO controller
.Sh SYNOPSIS
.Cd "device gpio"
.Cd "device bytgpio"
.Sh DESCRIPTION
The
.Nm
is a driver for GPIO controller that can be found in Intel's Bay Trail SoC family.
.Pp
Bay Trail SoC has three banks of GPIO pins exposed to userland as /dev/gpiocN,
where N is 0, 1, and 2. Pins in each bank are pre-named to match names
on boards schematics: GPIO_S0_SCnn, GPIO_S0_NCnn, and GPIO_S5_nn.
.Sh SEE ALSO
.Xr gpio 3 ,
.Xr gpio 4 ,
.Xr gpioctl 8
.Sh HISTORY
The
.Nm
manual page first appeared in
.Fx 12.0 .
.Sh AUTHORS
This driver and man page was written by
.An Oleksandr Tymoshenko Aq Mt gonzo@FreeBSD.org .