ARK-OS/arkos/kernel/Documentation/hwmon/mp5990.rst

.. SPDX-License-Identifier: GPL-2.0

Kernel driver mp5990
====================

Supported chips:

  * MPS MP5990

    Prefix: 'mp5990'

    Datasheet: Publicly available at the MPS website: https://www.monolithicpower.com/en/mp5990.html

  * MPS MP5998

    Prefix: 'mp5998'

    Datasheet: Not publicly available

Author:

	Peter Yin <peteryin.openbmc@gmail.com>

Description
-----------

This driver implements support for Monolithic Power Systems, Inc. (MPS)
MP5990 and MP5998 Hot-Swap Controller.

Device compliant with:

- PMBus rev 1.3 interface.

Device supports direct and linear format for reading input voltage,
output voltage, output current, input power and temperature.

The driver exports the following attributes via the 'sysfs' files
for input voltage:

**in1_input**

**in1_label**

**in1_max**

**in1_max_alarm**

**in1_min**

**in1_min_alarm**

The driver provides the following attributes for output voltage:

**in2_input**

**in2_label**

**in2_alarm**

The driver provides the following attributes for current:

**curr1_input**

**curr1_label**

**curr1_alarm**

**curr1_max**

**curr2_input**

**curr2_label**

**curr2_max**

**curr2_max_alarm**

The driver provides the following attributes for input power:

**power1_input**

**power1_label**

**power1_alarm**

The driver provides the following attributes for output power:

**power2_input**

**power2_label**

**power2_max**

**power2_max_alarm**

The driver provides the following attributes for temperature:

**temp1_input**

**temp1_max**

**temp1_max_alarm**

**temp1_crit**

**temp1_crit_alarm**