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38b2b02236
Add support for MPS VR controller mp2891. This driver exposes telemetry and limit value readings and writtings. Signed-off-by: Noah Wang <noahwang.wang@outlook.com> Link: https://lore.kernel.org/r/SEYPR04MB64828A352836982C0184AA10FAD62@SEYPR04MB6482.apcprd04.prod.outlook.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
180 lines
2.2 KiB
ReStructuredText
180 lines
2.2 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0
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Kernel driver mp2891
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====================
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Supported chips:
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* MPS mp2891
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Prefix: 'mp2891'
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* Datasheet
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Publicly available at the MPS website : https://www.monolithicpower.com/en/mp2891.html
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Author:
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Noah Wang <noahwang.wang@outlook.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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MP2891 Multi-phase Digital VR 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, input current, output current, input power, output
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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_crit**
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**in1_crit_alarm**
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**in1_lcrit**
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**in1_lcrit_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_crit**
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**in2_crit_alarm**
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**in2_lcrit**
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**in2_lcrit_alarm**
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**in2_min**
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**in2_min_alarm**
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**in3_input**
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**in3_label**
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**in3_crit**
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**in3_crit_alarm**
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**in3_lcrit**
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**in3_lcrit_alarm**
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**in3_min**
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**in3_min_alarm**
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The driver provides the following attributes for input current:
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**curr1_input**
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**curr1_label**
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**curr1_max**
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**curr1_max_alarm**
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**curr2_input**
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**curr2_label**
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**curr2_max**
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**curr2_max_alarm**
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The driver provides the following attributes for output current:
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**curr3_input**
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**curr3_label**
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**curr3_crit**
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**curr3_crit_alarm**
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**curr3_max**
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**curr3_max_alarm**
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**curr4_input**
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**curr4_label**
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**curr4_crit**
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**curr4_crit_alarm**
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**curr4_max**
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**curr4_max_alarm**
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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_max**
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**power1_alarm**
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**power2_input**
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**power2_label**
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**power2_max**
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**power2_alarm**
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The driver provides the following attributes for output power:
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**power3_input**
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**power3_label**
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**power4_input**
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**power4_label**
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The driver provides the following attributes for temperature:
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**temp1_input**
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**temp1_crit**
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**temp1_crit_alarm**
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**temp1_max**
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**temp1_max_alarm**
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**temp2_input**
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**temp2_crit**
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**temp2_crit_alarm**
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**temp2_max**
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**temp2_max_alarm**
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