.\"     $OpenBSD: clock.4,v 1.9 2018/06/18 06:06:52 jmc Exp $
.\"
.\" Copyright (c) 2004 Jason L. Wright (jason@thought.net)
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.Dd $Mdocdate: June 18 2018 $
.Dt CLOCK 4 sparc64
.Os
.Sh NAME
.Nm clock ,
.Nm rtc
.Nd real-time clock
.Sh SYNOPSIS
.Cd "clock* at sbus?"
.Cd "clock* at ebus?"
.Cd "clock0 at fhc0"
.Cd "rtc* at ebus?"
.Sh DESCRIPTION
The
.Nm
device provides support for the real-time clocks based
on the following chips:
.Pp
.Bl -bullet -offset indent -compact
.It
Mostek MK48T02
.It
Mostek MK48T08
.It
Mostek MK48T18
.It
Mostek MK48T59
.El
.Pp
The
.Nm rtc
device provides support for the real-time clock based
on the following chips:
.Pp
.Bl -bullet -offset indent -compact
.It
Dallas/Maxim Semiconductor DS1287
.It
Acer Labs M5819
.It
Acer Labs M5823
.It
Texas Instruments BQ4802
.El
.Sh SEE ALSO
.Xr ebus 4 ,
.Xr fhc 4 ,
.Xr intro 4 ,
.Xr sbus 4