1.\" Copyright (c) 2017 2.\" Tom Jones <tj@enoti.me> All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.Dd November 17, 2017 26.Dt CHVGPIO 4 27.Os 28.Sh NAME 29.Nm chvgpio 30.Nd Intel Cherry View SoC GPIO controller 31.Sh SYNOPSIS 32.Cd "device gpio" 33.Cd "device chvgpio" 34.Sh DESCRIPTION 35.Nm 36supports the GPIO controller that can be found in Intel's Cherry View SoC 37family. 38.Pp 39The Cherry View SoC has 5 banks of GPIO pins, NORTH, EAST, SOUTHEAST, SOUTHWEST 40and VIRTUAL. 41All but VIRTUAL are exposed to userland as 42.Pa /dev/gpiocN , 43where N is 0-3. 44Pins in each bank are pre-named to match names in the Intel® Atom™ Z8000 45Processor Series Vol 2 46.Sh SEE ALSO 47.Xr gpio 3 , 48.Xr gpio 4 , 49.Xr gpioctl 8 50.Rs 51.%T Intel® Atom™ Z8000 Processor Series Vol 1 52.Re 53.Rs 54.%T Intel® Atom™ Z8000 Processor Series Vol 2 55.Re 56.Sh HISTORY 57The 58.Nm 59manual page first appeared in 60.Fx 12 . 61.Sh AUTHORS 62This driver and man page were written by 63.An Tom Jones Aq Mt tj@enoti.me . 64