1.\" $OpenBSD: plgpio.4,v 1.1 2018/08/26 18:10:16 kettenis Exp $ 2.\" 3.\" Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org> 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 26 2018 $ 18.Dt PLGPIO 4 19.Os 20.Sh NAME 21.Nm plgpio 22.Nd ARM PrimeCell PL061 GPIO controller 23.Sh SYNOPSIS 24.Cd "plgpio* at fdt?" 25.Sh DESCRIPTION 26The 27.Nm 28driver supports the ARM PrimeCell PL061 GPIO controller. 29It does not provide direct device driver entry points but makes its 30functions available to other drivers. 31.Sh SEE ALSO 32.Xr intro 4 33.Rs 34.%T ARM PrimeCell General Purpose Input/Output (PL011) Technical Reference Manual 35.%V ARM DDI 0190 36.Re 37.Sh HISTORY 38The 39.Nm 40driver first appeared in 41.Ox 6.4 . 42.Sh AUTHORS 43.An -nosplit 44The 45.Nm 46driver was written by 47.An Mark Kettenis Aq Mt kettenis@openbsd.org . 48