1.\" $OpenBSD: sxirsb.4,v 1.2 2017/12/16 18:28:16 jmc Exp $ 2.\" 3.\" Copyright (c) 2017 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 16 2017 $ 18.Dt SXIRSB 4 19.Os 20.Sh NAME 21.Nm sxirsb 22.Nd Allwinner Reduced Serial Bus controller 23.Sh SYNOPSIS 24.Cd "sxirsb* at fdt?" 25.Sh DESCRIPTION 26The 27.Nm 28driver provides support for the Reduced Serial Bus (RSB) controller 29integrated on Allwinner A23/A33/A64/A80/A83T SoCs. 30RSB is a two-wire bus developed by X-Powers as a high-speed 31alternative to I2C for connecting integrated circuits. 32It is typically used for connecting devices such as power management 33ICs and audio codecs. 34.Sh SEE ALSO 35.Xr acrtc 4 , 36.Xr iic 4 , 37.Xr intro 4 38.Sh HISTORY 39The 40.Nm 41driver first appeared in 42.Ox 6.3 . 43.Sh AUTHORS 44.An -nosplit 45The 46.Nm 47driver was written by 48.An Mark Kettenis Aq Mt kettenis@openbsd.org . 49