Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging

* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
  hwmon: (lm85) Don't bind to Winbond/Nuvoton WPCD377I
  hwmon: (pcf8591) Documentation clean-ups
  hwmon: Clearly mark ACPI drivers as such
  hwmon: Use resource_size
  hwmon: Include <linux/io.h> instead of <asm/io.h>
  hwmon: (tmp421) Add documentation
  hwmon: Add driver for Texas Instruments TMP421/422/423 sensor chips
  hwmon-vid: Ignore 6th VID pin of AMD family 0Fh processors
  hwmon: (asus_atk0110) Add maintainer information
  hwmon: (abituguru3) Support multiple DMI strings per chip ID
This commit is contained in:
Linus Torvalds
2009-09-17 09:47:35 -07:00
27 changed files with 579 additions and 125 deletions

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@@ -2,11 +2,11 @@ Kernel driver pcf8591
=====================
Supported chips:
* Philips PCF8591
* Philips/NXP PCF8591
Prefix: 'pcf8591'
Addresses scanned: I2C 0x48 - 0x4f
Datasheet: Publicly available at the Philips Semiconductor website
http://www.semiconductors.philips.com/pip/PCF8591P.html
Datasheet: Publicly available at the NXP website
http://www.nxp.com/pip/PCF8591_6.html
Authors:
Aurelien Jarno <aurelien@aurel32.net>
@@ -16,9 +16,10 @@ Authors:
Description
-----------
The PCF8591 is an 8-bit A/D and D/A converter (4 analog inputs and one
analog output) for the I2C bus produced by Philips Semiconductors. It
is designed to provide a byte I2C interface to up to 4 separate devices.
analog output) for the I2C bus produced by Philips Semiconductors (now NXP).
It is designed to provide a byte I2C interface to up to 4 separate devices.
The PCF8591 has 4 analog inputs programmable as single-ended or
differential inputs :
@@ -58,8 +59,8 @@ Accessing PCF8591 via /sys interface
-------------------------------------
! Be careful !
The PCF8591 is plainly impossible to detect ! Stupid chip.
So every chip with address in the interval [48..4f] is
The PCF8591 is plainly impossible to detect! Stupid chip.
So every chip with address in the interval [0x48..0x4f] is
detected as PCF8591. If you have other chips in this address
range, the workaround is to load this module after the one
for your others chips.
@@ -67,19 +68,20 @@ for your others chips.
On detection (i.e. insmod, modprobe et al.), directories are being
created for each detected PCF8591:
/sys/bus/devices/<0>-<1>/
/sys/bus/i2c/devices/<0>-<1>/
where <0> is the bus the chip was detected on (e. g. i2c-0)
and <1> the chip address ([48..4f])
Inside these directories, there are such files:
in0, in1, in2, in3, out0_enable, out0_output, name
in0_input, in1_input, in2_input, in3_input, out0_enable, out0_output, name
Name contains chip name.
The in0, in1, in2 and in3 files are RO. Reading gives the value of the
corresponding channel. Depending on the current analog inputs configuration,
files in2 and/or in3 do not exist. Values range are from 0 to 255 for single
ended inputs and -128 to +127 for differential inputs (8-bit ADC).
The in0_input, in1_input, in2_input and in3_input files are RO. Reading gives
the value of the corresponding channel. Depending on the current analog inputs
configuration, files in2_input and in3_input may not exist. Values range
from 0 to 255 for single ended inputs and -128 to +127 for differential inputs
(8-bit ADC).
The out0_enable file is RW. Reading gives "1" for analog output enabled and
"0" for analog output disabled. Writing accepts "0" and "1" accordingly.

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@@ -0,0 +1,36 @@
Kernel driver tmp421
====================
Supported chips:
* Texas Instruments TMP421
Prefix: 'tmp421'
Addresses scanned: I2C 0x2a, 0x4c, 0x4d, 0x4e and 0x4f
Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp421.html
* Texas Instruments TMP422
Prefix: 'tmp422'
Addresses scanned: I2C 0x2a, 0x4c, 0x4d, 0x4e and 0x4f
Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp421.html
* Texas Instruments TMP423
Prefix: 'tmp423'
Addresses scanned: I2C 0x2a, 0x4c, 0x4d, 0x4e and 0x4f
Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp421.html
Authors:
Andre Prendel <andre.prendel@gmx.de>
Description
-----------
This driver implements support for Texas Instruments TMP421, TMP422
and TMP423 temperature sensor chips. These chips implement one local
and up to one (TMP421), up to two (TMP422) or up to three (TMP423)
remote sensors. Temperature is measured in degrees Celsius. The chips
are wired over I2C/SMBus and specified over a temperature range of -40
to +125 degrees Celsius. Resolution for both the local and remote
channels is 0.0625 degree C.
The chips support only temperature measurement. The driver exports
the temperature values via the following sysfs files:
temp[1-4]_input
temp[2-4]_fault