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Add support for mp5990 device from Monolithic Power Systems, Inc. (MPS) vendor. This is a Hot-Swap Controller. Signed-off-by: Peter Yin <peteryin.openbmc@gmail.com> Link: https://lore.kernel.org/r/20231113155008.2147090-3-peteryin.openbmc@gmail.com [groeck: Improved and clarified comments] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
85 lines
1.3 KiB
ReStructuredText
85 lines
1.3 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0
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Kernel driver mp5990
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====================
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Supported chips:
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* MPS MP5990
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Prefix: 'mp5990'
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* Datasheet
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Publicly available at the MPS website : https://www.monolithicpower.com/en/mp5990.html
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Author:
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Peter Yin <peteryin.openbmc@gmail.com>
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Description
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-----------
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This driver implements support for Monolithic Power Systems, Inc. (MPS)
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MP5990 Hot-Swap Controller.
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Device compliant with:
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- PMBus rev 1.3 interface.
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Device supports direct and linear format for reading input voltage,
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output voltage, output current, input power and temperature.
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The driver exports the following attributes via the 'sysfs' files
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for input voltage:
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**in1_input**
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**in1_label**
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**in1_max**
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**in1_max_alarm**
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**in1_min**
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**in1_min_alarm**
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The driver provides the following attributes for output voltage:
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**in2_input**
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**in2_label**
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**in2_alarm**
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The driver provides the following attributes for output current:
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**curr1_input**
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**curr1_label**
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**curr1_alarm**
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**curr1_max**
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The driver provides the following attributes for input power:
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**power1_input**
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**power1_label**
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**power1_alarm**
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The driver provides the following attributes for temperature:
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**temp1_input**
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**temp1_max**
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**temp1_max_alarm**
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**temp1_crit**
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**temp1_crit_alarm**
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