Dallas 1-Wire bus support. Includes the following drivers:

gpioow(4)	1-Wire bus bit-banging through GPIO pin
onewire(4)	1-Wire bus driver
owid(4)		1-Wire ID family type device
owtemp(4)	1-Wire temperature family type device

Drivers for RS-232 and USB bus masters will follow.

ok deraadt@

1 files changed, 53 insertions, 0 deletions

diff --git a/share/man/man4/owtemp.4 b/share/man/man4/owtemp.4
new file mode 100644
index 00000000000..eb550b7cb56
--- /dev/null
+++ b/share/man/man4/owtemp.4
@@ -0,0 +1,53 @@
+.\"	$OpenBSD: owtemp.4,v 1.1 2006/03/04 16:27:03 grange Exp $
+.\"
+.\" Copyright (c) 2006 Alexander Yurchenko <grange@openbsd.org>
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.Dd March 4, 2006
+.Dt OWTEMP 4
+.Os
+.Sh NAME
+.Nm owtemp
+.Nd 1-Wire temperature family type device
+.Sh SYNOPSIS
+.Cd "owtemp* at onewire?"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for the 1-Wire temperature sensor.
+The sensor possesses single temperature value that can be accessed
+through the
+.Xr sysctl 8
+interface.
+.Pp
+The following chips are supported by the driver:
+.Bl -bullet -compact -offset indent
+.It
+Maxim/Dallas DS1820, DS1920
+.El
+.Sh SEE ALSO
+.Xr intro 4 ,
+.Xr onewire 4 ,
+.Xr sysctl 8
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 3.9 .
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm
+driver was written by
+.An Alexander Yurchenko Aq grange@openbsd.org .