.\" $OpenBSD: rkpinctrl.4,v 1.2 2018/03/31 09:44:35 kettenis Exp $ .\" .\" Copyright (c) 2018 Jonathan Gray .\" .\" Permission to use, copy, modify, and distribute this software for any .\" purpose with or without fee is hereby granted, provided that the above .\" copyright notice and this permission notice appear in all copies. .\" .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" .Dd $Mdocdate: March 31 2018 $ .Dt RKPINCTRL 4 .Os .Sh NAME .Nm rkpinctrl .Nd Rockchip pin multiplexing .Sh SYNOPSIS .Cd "rkpinctrl* at fdt?" .Sh DESCRIPTION The .Nm driver uses pin control data from the device tree to select one of multiple possible roles available for pins on Rockchip SoCs. .Sh SEE ALSO .Xr intro 4 .Sh HISTORY The .Nm device driver first appeared in .Ox 6.2 . .Sh AUTHORS .An -nosplit The .Nm driver was written by .An Mark Kettenis Aq Mt kettenis@openbsd.org .