1.\" $OpenBSD: iicmux.4,v 1.1 2021/11/21 11:10:35 kettenis Exp $ 2.\" 3.\" Copyright (c) 2021 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: November 21 2021 $ 18.Dt IICMUX 4 19.Os 20.Sh NAME 21.Nm iicmux 22.Nd I2C mux 23.Sh SYNOPSIS 24.Cd "iicmux* at iic?" 25.Cd "iic* at pcamux?" 26.Sh DESCRIPTION 27The 28.Nm 29driver provides support for I2C bus multiplexers that use SoC pin 30multiplexing to route the I2C signals. 31.Sh SEE ALSO 32.Xr iic 4 , 33.Xr intro 4 34.Sh HISTORY 35The 36.Nm 37driver first appeared in 38.Ox 7.1 . 39.Sh AUTHORS 40.An -nosplit 41The 42.Nm 43driver was written by 44.An Mark Kettenis Aq Mt kettenis@openbsd.org . 45