提交 1915fb70 编写于 作者: A Andre Prendel 提交者: Jean Delvare

hwmon: (tmp421) Add documentation

Add documentation for the tmp421 driver.
Signed-off-by: NAndre Prendel <andre.prendel@gmx.de>
Acked-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NJean Delvare <khali@linux-fr.org>
上级 9410700b
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
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