66 lines
2.2 KiB
Groff
66 lines
2.2 KiB
Groff
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.\" Copyright (c) 2017
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.\" Tom Jones <tj@enoti.me> 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 17, 2017
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.Dt CHVGPIO 4
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.Os
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.Sh NAME
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.Nm chvgpio
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.Nd Intel Cherry View SoC GPIO controller
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.Sh SYNOPSIS
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.Cd "device gpio"
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.Cd "device chvgpio"
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.Sh DESCRIPTION
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.Nm
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supports the GPIO controller that can be found in Intel's Cherry View SoC
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family.
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.Pp
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The Cherry View SoC has 5 banks of GPIO pins, NORTH, EAST, SOUTHEAST, SOUTHWEST
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and VIRTUAL.
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All but VIRTUAL are exposed to userland as
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.Pa /dev/gpiocN ,
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where N is 0-3.
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Pins in each bank are pre-named to match names in the Intel® Atom™ Z8000
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Processor Series Vol 2
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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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.Rs
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.%T Intel® Atom™ Z8000 Processor Series Vol 1
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.Re
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.Rs
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.%T Intel® Atom™ Z8000 Processor Series Vol 2
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.Re
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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 .
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.Sh AUTHORS
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This driver and man page were written by
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.An Tom Jones Aq Mt tj@enoti.me .
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