1.\" $OpenBSD: sfgpio.4,v 1.1 2022/05/30 17:44:10 kettenis Exp $ 2.\" 3.\" Copyright (c) 2022 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: May 30 2022 $ 18.Dt SFGPIO 4 riscv64 19.Os 20.Sh NAME 21.Nm sfgpio 22.Nd SiFive GPIO controller 23.Sh SYNOPSIS 24.Cd "sfgpio* at fdt?" 25.Sh DESCRIPTION 26The 27.Nm 28driver provides support for the GPIO ports found on SiFive SoCs. 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.Sh HISTORY 34The 35.Nm 36driver first appeared in 37.Ox 7.2 . 38.Sh AUTHORS 39.An -nosplit 40The 41.Nm 42driver was written by 43.An Mark Kettenis Aq Mt kettenis@openbsd.org . 44