1*67d4b82eSjmc.\" $OpenBSD: clock.4,v 1.9 2018/06/18 06:06:52 jmc Exp $ 2d15a1bafSjason.\" 3d15a1bafSjason.\" Copyright (c) 2004 Jason L. Wright (jason@thought.net) 4d15a1bafSjason.\" All rights reserved. 5d15a1bafSjason.\" 6d15a1bafSjason.\" Redistribution and use in source and binary forms, with or without 7d15a1bafSjason.\" modification, are permitted provided that the following conditions 8d15a1bafSjason.\" are met: 9d15a1bafSjason.\" 1. Redistributions of source code must retain the above copyright 10d15a1bafSjason.\" notice, this list of conditions and the following disclaimer. 11d15a1bafSjason.\" 2. Redistributions in binary form must reproduce the above copyright 12d15a1bafSjason.\" notice, this list of conditions and the following disclaimer in the 13d15a1bafSjason.\" documentation and/or other materials provided with the distribution. 14d15a1bafSjason.\" 15d15a1bafSjason.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16d15a1bafSjason.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17d15a1bafSjason.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18d15a1bafSjason.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 19d15a1bafSjason.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20d15a1bafSjason.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21d15a1bafSjason.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22d15a1bafSjason.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 23d15a1bafSjason.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 24d15a1bafSjason.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25d15a1bafSjason.\" POSSIBILITY OF SUCH DAMAGE. 26d15a1bafSjason.\" 27*67d4b82eSjmc.Dd $Mdocdate: June 18 2018 $ 28d15a1bafSjason.Dt CLOCK 4 sparc64 29d15a1bafSjason.Os 30d15a1bafSjason.Sh NAME 313fe1c122Sjmc.Nm clock , 323fe1c122Sjmc.Nm rtc 33*67d4b82eSjmc.Nd real-time clock 34d15a1bafSjason.Sh SYNOPSIS 35d15a1bafSjason.Cd "clock* at sbus?" 36d15a1bafSjason.Cd "clock* at ebus?" 37db8f8981Smartin.Cd "clock0 at fhc0" 38d15a1bafSjason.Cd "rtc* at ebus?" 39d15a1bafSjason.Sh DESCRIPTION 40d15a1bafSjasonThe 41d15a1bafSjason.Nm 42fd1d8d5eSkettenisdevice provides support for the real-time clocks based 43d15a1bafSjasonon the following chips: 44d15a1bafSjason.Pp 45d15a1bafSjason.Bl -bullet -offset indent -compact 46d15a1bafSjason.It 47d15a1bafSjasonMostek MK48T02 48d15a1bafSjason.It 49d15a1bafSjasonMostek MK48T08 50d15a1bafSjason.It 51d15a1bafSjasonMostek MK48T18 52d15a1bafSjason.It 53d15a1bafSjasonMostek MK48T59 54fd1d8d5eSkettenis.El 55fd1d8d5eSkettenis.Pp 56fd1d8d5eSkettenisThe 57fd1d8d5eSkettenis.Nm rtc 58fd1d8d5eSkettenisdevice provides support for the real-time clock based 59fd1d8d5eSkettenison the following chips: 60fd1d8d5eSkettenis.Pp 61fd1d8d5eSkettenis.Bl -bullet -offset indent -compact 62d15a1bafSjason.It 63d15a1bafSjasonDallas/Maxim Semiconductor DS1287 64fd1d8d5eSkettenis.It 65fd1d8d5eSkettenisAcer Labs M5819 66fd1d8d5eSkettenis.It 67fd1d8d5eSkettenisAcer Labs M5823 68fd1d8d5eSkettenis.It 691478983bSsobradoTexas Instruments BQ4802 703c3e82eeSjmc.El 71d15a1bafSjason.Sh SEE ALSO 72d15a1bafSjason.Xr ebus 4 , 73d15a1bafSjason.Xr fhc 4 , 74d15a1bafSjason.Xr intro 4 , 75d15a1bafSjason.Xr sbus 4 76