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hwmon: (pmbus/pim4328) Add documentation for the pim4328 PMBus driver

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Add documentation and index link for pim4328 PMBus driver.

Signed-off-by: Erik Rosen <erik.rosen@metormote.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Erik Rosen 2021-06-09 11:32:09 +02:00 committed by Guenter Roeck
parent 317f9d808a
commit bf8e0cd8d6
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Documentation/hwmon/index.rst
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@ -151,6 +151,7 @@ Hardware Monitoring Kernel Drivers
pc87360
pc87427
pcf8591
pim4328
pm6764tr
pmbus
powr1220

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Documentation/hwmon/pim4328.rst Normal file
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.. SPDX-License-Identifier: GPL-2.0
Kernel driver pim4328
=====================
Supported chips:
* Flex PIM4328
Prefix: 'pim4328', 'bmr455'
Addresses scanned: -
Datasheet:
https://flexpowermodules.com/resources/fpm-techspec-pim4328
* Flex PIM4820
Prefixes: 'pim4820'
Addresses scanned: -
Datasheet: https://flexpowermodules.com/resources/fpm-techspec-pim4820
* Flex PIM4006, PIM4106, PIM4206, PIM4306, PIM4406
Prefixes: 'pim4006', 'pim4106', 'pim4206', 'pim4306', 'pim4406'
Addresses scanned: -
Datasheet: https://flexpowermodules.com/resources/fpm-techspec-pim4006
Author: Erik Rosen <erik.rosen@metormote.com>
Description
-----------
This driver supports hardware monitoring for Flex PIM4328 and
compatible digital power interface modules.
The driver is a client driver to the core PMBus driver. Please see
Documentation/hwmon/pmbus.rst and Documentation.hwmon/pmbus-core 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.rst for
details.
Platform data support
---------------------
The driver supports standard PMBus driver platform data.
Sysfs entries
-------------
The following attributes are supported. All attributes are read-only.
======================= ========================================================
in1_label "vin"
in1_input Measured input voltage.
in1_alarm Input voltage alarm.
in2_label "vin.0"
in2_input Measured input voltage on input A.
PIM4328 and PIM4X06
in3_label "vin.1"
in3_input Measured input voltage on input B.
PIM4328 and PIM4X06
in4_label "vcap"
in4_input Measured voltage on holdup capacitor.
PIM4328
curr1_label "iin.0"
curr1_input Measured input current on input A.
PIM4X06
curr2_label "iin.1"
curr2_input Measured input current on input B.
PIM4X06
currX_label "iout1"
currX_input Measured output current.
currX_alarm Output current alarm.
X is 1 for PIM4820, 3 otherwise.
temp1_input Measured temperature.
temp1_alarm High temperature alarm.
======================= ========================================================