1.\" $OpenBSD: dwgpio.4,v 1.2 2020/12/06 22:44:17 jmc Exp $ 2.\" 3.\" Copyright (c) 2020 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: December 6 2020 $ 18.Dt DWGPIO 4 19.Os 20.Sh NAME 21.Nm dwgpio 22.Nd Synopsys DesignWare GPIO controller 23.Sh SYNOPSIS 24.Cd "dwgpio* at acpi?" 25.Sh DESCRIPTION 26The 27.Nm 28driver provides support for the Synopsys DesignWare GPIO controller 29found on, for example, the Ampere eMAG SoC. 30It does not provide direct device driver entry points but makes its 31functions available to 32.Xr acpi 4 . 33.Sh SEE ALSO 34.Xr acpi 4 , 35.Xr intro 4 36.Sh HISTORY 37The 38.Nm 39device driver first appeared in 40.Ox 6.9 . 41.Sh AUTHORS 42The 43.Nm 44driver was written by 45.An Mark Kettenis Aq Mt kettenis@openbsd.org . 46