1.\" $OpenBSD: omgpio.4,v 1.3 2016/08/11 04:33:06 jsg Exp $ 2.\" 3.\" Copyright (c) 2013 Raphael Graf <r@undefined.ch> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: August 11 2016 $ 18.Dt OMGPIO 4 armv7 19.Os 20.Sh NAME 21.Nm omgpio 22.Nd omap3, omap4 and am335x GPIO controller 23.Sh SYNOPSIS 24.Cd "omgpio* at fdt?" 25.Cd "gpio* at omgpio?" 26.Sh DESCRIPTION 27The 28.Nm 29driver provides support for the GPIO controllers found on omap3, omap4 and 30am335x SoCs. 31The devices have 32 pins which can be configured as either inputs or outputs, 32and accessed using 33.Xr gpioctl 8 . 34.\" Both values are made available through the 35.\" .Xr sysctl 8 36.\" interface. 37.Sh SEE ALSO 38.Xr gpio 4 , 39.Xr gpioctl 8 40.Sh HISTORY 41The 42.Nm 43driver first appeared in 44.Ox 5.5 . 45.Sh AUTHORS 46.An -nosplit 47The 48.Nm 49driver was written by 50.An Dale Rahn Aq Mt drahn@dalerahn.com . 51