2011-03-18 04:16:01 +08:00
|
|
|
Kernel driver adm1275
|
|
|
|
|
=====================
|
|
|
|
|
|
|
|
|
|
Supported chips:
|
2012-02-24 19:40:53 +08:00
|
|
|
* Analog Devices ADM1075
|
|
|
|
|
Prefix: 'adm1075'
|
|
|
|
|
Addresses scanned: -
|
|
|
|
|
Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1075.pdf
|
2011-03-18 04:16:01 +08:00
|
|
|
* Analog Devices ADM1275
|
|
|
|
|
Prefix: 'adm1275'
|
|
|
|
|
Addresses scanned: -
|
|
|
|
|
Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1275.pdf
|
2011-07-15 02:55:35 +08:00
|
|
|
* Analog Devices ADM1276
|
|
|
|
|
Prefix: 'adm1276'
|
|
|
|
|
Addresses scanned: -
|
|
|
|
|
Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1276.pdf
|
2011-03-18 04:16:01 +08:00
|
|
|
|
|
|
|
|
Author: Guenter Roeck <guenter.roeck@ericsson.com>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Description
|
|
|
|
|
-----------
|
|
|
|
|
|
2012-02-24 19:40:53 +08:00
|
|
|
This driver supports hardware montoring for Analog Devices ADM1075, ADM1275,
|
|
|
|
|
and ADM1276 Hot-Swap Controller and Digital Power Monitor.
|
2011-03-18 04:16:01 +08:00
|
|
|
|
2012-02-24 19:40:53 +08:00
|
|
|
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.
|
2011-03-18 04:16:01 +08:00
|
|
|
|
|
|
|
|
The driver is a client driver to the core PMBus driver. Please see
|
|
|
|
|
Documentation/hwmon/pmbus for details on PMBus client drivers.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Usage Notes
|
|
|
|
|
-----------
|
|
|
|
|
|
|
|
|
|
This driver does not auto-detect devices. You will have to instantiate the
|
|
|
|
|
devices explicitly. Please see Documentation/i2c/instantiating-devices for
|
|
|
|
|
details.
|
|
|
|
|
|
2012-02-24 19:40:53 +08:00
|
|
|
The ADM1075, unlike many other PMBus devices, does not support internal voltage
|
|
|
|
|
or current scaling. Reported voltages, currents, and power are raw measurements,
|
|
|
|
|
and will typically have to be scaled.
|
|
|
|
|
|
2011-03-18 04:16:01 +08:00
|
|
|
|
|
|
|
|
Platform data support
|
|
|
|
|
---------------------
|
|
|
|
|
|
|
|
|
|
The driver supports standard PMBus driver platform data. Please see
|
|
|
|
|
Documentation/hwmon/pmbus for details.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Sysfs entries
|
|
|
|
|
-------------
|
|
|
|
|
|
2011-07-10 02:17:33 +08:00
|
|
|
The following attributes are supported. Limits are read-write, history reset
|
|
|
|
|
attributes are write-only, all other attributes are read-only.
|
2011-03-18 04:16:01 +08:00
|
|
|
|
|
|
|
|
in1_label "vin1" or "vout1" depending on chip variant and
|
2012-02-24 19:40:53 +08:00
|
|
|
configuration. On ADM1075, vout1 reports the voltage on
|
|
|
|
|
the VAUX pin.
|
2011-07-15 02:55:35 +08:00
|
|
|
in1_input Measured voltage.
|
2012-03-04 22:16:11 +08:00
|
|
|
in1_min Minimum Voltage.
|
2011-07-15 02:55:35 +08:00
|
|
|
in1_max Maximum voltage.
|
|
|
|
|
in1_min_alarm Voltage low alarm.
|
|
|
|
|
in1_max_alarm Voltage high alarm.
|
2011-07-10 02:17:33 +08:00
|
|
|
in1_highest Historical maximum voltage.
|
|
|
|
|
in1_reset_history Write any value to reset history.
|
2011-03-18 04:16:01 +08:00
|
|
|
|
|
|
|
|
curr1_label "iout1"
|
2011-07-15 02:55:35 +08:00
|
|
|
curr1_input Measured current.
|
|
|
|
|
curr1_max Maximum current.
|
|
|
|
|
curr1_max_alarm Current high alarm.
|
2011-08-03 02:08:57 +08:00
|
|
|
curr1_lcrit Critical minimum current. Depending on the chip
|
|
|
|
|
configuration, either curr1_lcrit or curr1_crit is
|
|
|
|
|
supported, but not both.
|
|
|
|
|
curr1_lcrit_alarm Critical current low alarm.
|
|
|
|
|
curr1_crit Critical maximum current. Depending on the chip
|
|
|
|
|
configuration, either curr1_lcrit or curr1_crit is
|
|
|
|
|
supported, but not both.
|
|
|
|
|
curr1_crit_alarm Critical current high alarm.
|
2011-07-10 02:17:33 +08:00
|
|
|
curr1_highest Historical maximum current.
|
|
|
|
|
curr1_reset_history Write any value to reset history.
|
2012-02-24 19:40:53 +08:00
|
|
|
|
|
|
|
|
power1_label "pin1"
|
|
|
|
|
power1_input Input power.
|
|
|
|
|
power1_reset_history Write any value to reset history.
|
|
|
|
|
|
|
|
|
|
Power attributes are supported on ADM1075 and ADM1276
|
|
|
|
|
only.
|
