1.\" $OpenBSD: dwiic.4,v 1.6 2023/08/29 12:11:08 kettenis Exp $ 2.\" 3.\" Copyright (c) 2016 Jonathan Gray <jsg@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 29 2023 $ 18.Dt DWIIC 4 19.Os 20.Sh NAME 21.Nm dwiic 22.Nd Synopsys DesignWare I2C controller 23.Sh SYNOPSIS 24.Cd "dwiic* at acpi?" 25.Cd "dwiic* at fdt?" 26.Cd "dwiic* at pci?" 27.Cd "iic* at dwiic?" 28.Sh DESCRIPTION 29The 30.Nm 31driver supports the Synopsys DesignWare I2C controller for use 32with the 33.Xr iic 4 34framework. 35.Pp 36On systems using the Intel OnChip System Fabric, 37.Nm 38may need the 39.Xr iosf 4 40driver to coordinate access to the I2C bus. 41.Sh SEE ALSO 42.Xr acpi 4 , 43.Xr iic 4 , 44.Xr iosf 4 , 45.Xr pci 4 46.Sh HISTORY 47The 48.Nm 49device driver first appeared in 50.Ox 5.9 . 51.Sh AUTHORS 52The 53.Nm 54driver was written by 55.An joshua stein Aq Mt jcs@openbsd.org . 56