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.\" $OpenBSD: nsclpcsio.4,v 1.10 2007/12/23 22:09:19 jmc Exp $
.\"
.\" Copyright (c) 2004 Markus Friedl <markus@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 $Mdocdate: December 23 2007 $
.Dt NSCLPCSIO 4
.Os
.Sh NAME
.Nm nsclpcsio
.Nd National Semiconductor PC87366 LPC Super I/O with GPIO
.Sh SYNOPSIS
.Cd "nsclpcsio* at isa?"
.Cd "gpio* at nsclpcsio?"
.Sh DESCRIPTION
The
.Nm
driver provides support for the National Semiconductor PC87366 LPC Super I/O.
The Super I/O module incorporates several logical devices, the following
ones are supported: GPIO, VLM and TMS.
.Pp
The GPIO logical device provides 29 I/O pins which can be accessed
through the
.Xr gpio 4
framework.
The
.Xr gpioctl 8
program allows easy manipulation of the pins from userland.
.Pp
VLM and TMS logical devices provides hardware monitoring capabilities
to be used with the
.Xr sysctl 8
interface.
The following 17 monitoring sensors are available:
.Bl -column "Sensor" "Units" "Typical" -offset indent
.It Sy "Sensor" Ta Sy "Units" Ta Sy "Typical Use"
.It Li "TSENS1" Ta "uK" Ta "Remote diode"
.It Li "TSENS2" Ta "uK" Ta "Remote diode"
.It Li "TNSC" Ta "uK" Ta "Local diode"
.It Li "VSENS0" Ta "uV DC" Ta "External source"
.It Li "VSENS1" Ta "uV DC" Ta "External source"
.It Li "VSENS2" Ta "uV DC" Ta "External source"
.It Li "VSENS3" Ta "uV DC" Ta "External source"
.It Li "VSENS4" Ta "uV DC" Ta "External source"
.It Li "VSENS5" Ta "uV DC" Ta "External source"
.It Li "VSENS6" Ta "uV DC" Ta "External source"
.It Li "VSB" Ta "uV DC" Ta "VSB"
.It Li "VDD" Ta "uV DC" Ta "VDD"
.It Li "VBAT" Ta "uV DC" Ta "VBAT"
.It Li "AVDD" Ta "uV DC" Ta "AVDD"
.It Li "TS1" Ta "uV DC" Ta "Thermistor"
.It Li "TS2" Ta "uV DC" Ta "Thermistor"
.It Li "TS3" Ta "uV DC" Ta "Thermistor"
.El
.Sh SEE ALSO
.Xr gpio 4 ,
.Xr isa 4 ,
.Xr gpioctl 8 ,
.Xr sensorsd 8 ,
.Xr sysctl 8
.Sh HISTORY
The
.Nm
driver first appeared in
.Nx 2.0 ,
.Ox
support was added in
.Ox 3.5 .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Matthias Drochner Aq drochner@netbsd.org
for
.Nx
and then ported to
.Ox 3.5
by
.An Markus Friedl Aq markus@openbsd.org .
.Tn GPIO
support was added in
.Ox 3.6
by
.An Alexander Yurchenko Aq grange@openbsd.org .
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