NSCLPCSIO(4) Kernel Interfaces Manual NSCLPCSIO(4)

NAME

nsclpcsioNational Semiconductor PC87366 LPC Super I/O

SYNOPSIS

nsclpcsio* at isa?
gpio* at nsclpcsio?

DESCRIPTION

The nsclpcsio driver provides support for the National Semiconductor PC87366 LPC Super I/O. The Super I/O incorporates several logical devices, the following ones are supported: GPIO, VLM and TMS.

The GPIO logical device provides 29 I/O pins which can be accessed through the gpio(4) framework. The gpioctl(8) program allows easy manipulation of the pins from userland.

VLM and TMS logical devices provides hardware monitoring capabilities to be used with the envsys(4) API. The following 17 monitoring sensors are available:

Sensor Units Typical Use
TSENS1 uK Remote diode
TSENS2 uK Remote diode
TNSC uK Local diode
VSENS0 uV DC External source
VSENS1 uV DC External source
VSENS2 uV DC External source
VSENS3 uV DC External source
VSENS4 uV DC External source
VSENS5 uV DC External source
VSENS6 uV DC External source
VSB uV DC VSB
VDD uV DC VDD
VBAT uV DC VBAT
AVDD uV DC AVDD
TS1 uV DC Thermistor
TS2 uV DC Thermistor
TS3 uV DC Thermistor

SEE ALSO

envsys(4), envstat(8)

HISTORY

The nsclpcsio device appeared in NetBSD 2.0.

BUGS

The chip decodes address ranges which are not obvious and cannot be controlled by the kernel configuration file (must be set up by the BIOS).
November 9, 2007 NetBSD 6.1