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hwmon: Driver for Maxim MAX6697 and compatibles

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Add support for MAX6581, MAX6602, MAX6622, MAX6636, MAX6689, MAX6693,
MAX6694, MAX6697, MAX6698, and MAX6699 temperature sensors

Signed-off-by: Guenter Roeck <[email protected]>
Reviewed-by: Jean Delvare <[email protected]>
This commit is contained in:
Guenter Roeck 2012-10-12 23:01:58 -07:00
commit 5372d2d71c
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Kernel driver max6697
=====================
Supported chips:
* Maxim MAX6581
Prefix: 'max6581'
Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX6581.pdf
* Maxim MAX6602
Prefix: 'max6602'
Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX6602.pdf
* Maxim MAX6622
Prefix: 'max6622'
Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX6622.pdf
* Maxim MAX6636
Prefix: 'max6636'
Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX6636.pdf
* Maxim MAX6689
Prefix: 'max6689'
Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX6689.pdf
* Maxim MAX6693
Prefix: 'max6693'
Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX6693.pdf
* Maxim MAX6694
Prefix: 'max6694'
Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX6694.pdf
* Maxim MAX6697
Prefix: 'max6697'
Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX6697.pdf
* Maxim MAX6698
Prefix: 'max6698'
Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX6698.pdf
* Maxim MAX6699
Prefix: 'max6699'
Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX6699.pdf
Author:
Guenter Roeck <[email protected]>
Description
-----------
This driver implements support for several MAX6697 compatible temperature sensor
chips. The chips support one local temperature sensor plus four, six, or seven
remote temperature sensors. Remote temperature sensors are diode-connected
thermal transitors, except for MAX6698 which supports three diode-connected
thermal transistors plus three thermistors in addition to the local temperature
sensor.
The driver provides the following sysfs attributes. temp1 is the local (chip)
temperature, temp[2..n] are remote temperatures. The actually supported
per-channel attributes are chip type and channel dependent.
tempX_input RO temperature
tempX_max RW temperature maximum threshold
tempX_max_alarm RO temperature maximum threshold alarm
tempX_crit RW temperature critical threshold
tempX_crit_alarm RO temperature critical threshold alarm
tempX_fault RO temperature diode fault (remote sensors only)