Kernel driver mp2891

Supported chips:

Author:

Description

This driver implements support for Monolithic Power Systems, Inc. (MPS) MP2891 Multi-phase Digital VR Controller.

Device compliant with:

  • PMBus rev 1.3 interface.

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

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

in1_input

in1_label

in1_crit

in1_crit_alarm

in1_lcrit

in1_lcrit_alarm

in1_min

in1_min_alarm

The driver provides the following attributes for output voltage:

in2_input

in2_label

in2_crit

in2_crit_alarm

in2_lcrit

in2_lcrit_alarm

in2_min

in2_min_alarm

in3_input

in3_label

in3_crit

in3_crit_alarm

in3_lcrit

in3_lcrit_alarm

in3_min

in3_min_alarm

The driver provides the following attributes for input current:

curr1_input

curr1_label

curr1_max

curr1_max_alarm

curr2_input

curr2_label

curr2_max

curr2_max_alarm

The driver provides the following attributes for output current:

curr3_input

curr3_label

curr3_crit

curr3_crit_alarm

curr3_max

curr3_max_alarm

curr4_input

curr4_label

curr4_crit

curr4_crit_alarm

curr4_max

curr4_max_alarm

The driver provides the following attributes for input power:

power1_input

power1_label

power1_max

power1_alarm

power2_input

power2_label

power2_max

power2_alarm

The driver provides the following attributes for output power:

power3_input

power3_label

power4_input

power4_label

The driver provides the following attributes for temperature:

temp1_input

temp1_crit

temp1_crit_alarm

temp1_max

temp1_max_alarm

temp2_input

temp2_crit

temp2_crit_alarm

temp2_max

temp2_max_alarm