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hwmon: (adt7475) Add support for the ADT7476

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Add support for the Analog Devices ADT7476 chip. This chip is largely
compatible with the ADT7473 and ADT7475, with additional features.
In particular, it has 5 voltage inputs instead of 2, and VID input
pins.

Signed-off-by: Jean Delvare <[email protected]>
Cc: Hans de Goede <[email protected]>
Cc: Jordan Crouse <[email protected]>
Cc: "Darrick J. Wong" <[email protected]>
This commit is contained in:
Jean Delvare 2009-12-09 20:36:08 +01:00
commit d8d2ee0732
3 changed files with 80 additions and 25 deletions
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20
Documentation/hwmon/adt7475
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@ -10,6 +10,10 @@ Supported chips:
Prefix: 'adt7475'
Addresses scanned: I2C 0x2E
Datasheet: Publicly available at the On Semiconductors website
* Analog Devices ADT7476
Prefix: 'adt7476'
Addresses scanned: I2C 0x2C, 0x2D, 0x2E
Datasheet: Publicly available at the On Semiconductors website
* Analog Devices ADT7490
Prefix: 'adt7490'
Addresses scanned: I2C 0x2C, 0x2D, 0x2E
@ -25,11 +29,13 @@ Authors:
Description
-----------
This driver implements support for the Analog Devices ADT7473, ADT7475 and
ADT7490 chip family. The ADT7473 and ADT7475 differ only in minor details.
The ADT7490 has additional features, including extra voltage measurement
inputs and PECI support. All the supported chips will be collectively
designed by the name "ADT747x" in the rest of this document.
This driver implements support for the Analog Devices ADT7473, ADT7475,
ADT7476 and ADT7490 chip family. The ADT7473 and ADT7475 differ only in
minor details. The ADT7476 has additional features, including extra voltage
measurement inputs and VID support. The ADT7490 also has additional
features, including extra voltage measurement inputs and PECI support. All
the supported chips will be collectively designed by the name "ADT747x" in
the rest of this document.
The ADT747x uses the 2-wire interface compatible with the SMBus 2.0
specification. Using an analog to digital converter it measures three (3)
@ -62,6 +68,10 @@ ADT7473:
ADT7475:
* 2 voltage inputs
ADT7476:
* 5 voltage inputs
* VID support (not implemented)
ADT7490:
* 6 voltage inputs
* 1 Imon input (not implemented)