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hwmon: (adm1275) Add support for ADM1293 and ADM1294

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ADM1293 and ADM1294 are mostly compatible with other chips of the same
series, but have more configuration options. There are also some
differences in register details.

Signed-off-by: Guenter Roeck <[email protected]>
This commit is contained in:
Guenter Roeck 2015-03-17 13:19:51 -07:00
commit 68a4038236
3 changed files with 158 additions and 27 deletions
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40
Documentation/hwmon/adm1275
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@ -14,6 +14,10 @@ Supported chips:
Prefix: 'adm1276'
Addresses scanned: -
Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1276.pdf
* Analog Devices ADM1293/ADM1294
Prefix: 'adm1293', 'adm1294'
Addresses scanned: -
Datasheet: http://www.analog.com/media/en/technical-documentation/data-sheets/ADM1293_1294.pdf
Author: Guenter Roeck <[email protected]>
@ -22,12 +26,12 @@ Description
-----------
This driver supports hardware montoring for Analog Devices ADM1075, ADM1275,
and ADM1276 Hot-Swap Controller and Digital Power Monitor.
ADM1276, ADM1293, and ADM1294 Hot-Swap Controller and Digital Power Monitors.
ADM1075, ADM1275, and ADM1276 are hot-swap controllers that allow a circuit
board to be removed from or inserted into a live backplane. They also feature
current and voltage readback via an integrated 12-bit analog-to-digital
converter (ADC), accessed using a PMBus interface.
ADM1075, ADM1275, ADM1276, ADM1293, and ADM1294 are hot-swap controllers that
allow a circuit board to be removed from or inserted into a live backplane.
They also feature current and voltage readback via an integrated 12
bit analog-to-digital converter (ADC), accessed using a PMBus interface.
The driver is a client driver to the core PMBus driver. Please see
Documentation/hwmon/pmbus for details on PMBus client drivers.
@ -58,16 +62,16 @@ Sysfs entries
The following attributes are supported. Limits are read-write, history reset
attributes are write-only, all other attributes are read-only.
in1_label "vin1" or "vout1" depending on chip variant and
configuration. On ADM1075, vout1 reports the voltage on
the VAUX pin.
in1_input Measured voltage.
in1_min Minimum Voltage.
in1_max Maximum voltage.
in1_min_alarm Voltage low alarm.
in1_max_alarm Voltage high alarm.
in1_highest Historical maximum voltage.
in1_reset_history Write any value to reset history.
inX_label "vin1" or "vout1" depending on chip variant and
configuration. On ADM1075, ADM1293, and ADM1294,
vout1 reports the voltage on the VAUX pin.
inX_input Measured voltage.
inX_min Minimum Voltage.
inX_max Maximum voltage.
inX_min_alarm Voltage low alarm.
inX_max_alarm Voltage high alarm.
inX_highest Historical maximum voltage.
inX_reset_history Write any value to reset history.
curr1_label "iout1"
curr1_input Measured current.
@ -86,7 +90,9 @@ curr1_reset_history Write any value to reset history.
power1_label "pin1"
power1_input Input power.
power1_input_lowest Lowest observed input power. ADM1293 and ADM1294 only.
power1_input_highest Highest observed input power.
power1_reset_history Write any value to reset history.
Power attributes are supported on ADM1075 and ADM1276
only.
Power attributes are supported on ADM1075, ADM1276,
ADM1293, and ADM1294.