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Add support for MPS step-down converter mp9941. 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/SEYPR04MB648294005D55F70736B519F6FAC72@SEYPR04MB6482.apcprd04.prod.outlook.com [groeck: Include bitfield.h (for FIELD_PREP) and bits.h (for GENMASK)] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
93 lines
1.4 KiB
ReStructuredText
93 lines
1.4 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0
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Kernel driver mp9941
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====================
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Supported chips:
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* MPS mp9941
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Prefix: 'mp9941'
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* Datasheet
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https://scnbwymvp-my.sharepoint.com/:f:/g/personal/admin_scnbwy_com/Eth4kX1_J1hMsaASHiOYL4QBHU5a75r-tRfLKbHnJFdKLQ?e=vxj3DF
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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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MP9941 digital step-down converter.
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Device compliant with:
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- PMBus rev 1.3 interface.
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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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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_lcrit**
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**in2_lcrit_alarm**
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**in2_rated_max**
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**in2_rated_min**
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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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The driver provides the following attributes for output current:
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**curr2_input**
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**curr2_label**
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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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The driver provides the following attributes for output power:
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**power2_input**
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**power2_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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