Kernel driver d1u74t

Supported chips:

  • Murata D1U74T

    Prefix: ‘d1u74t’

    Addresses scanned: -

    Datasheet: Publicly available at the Murata website

Authors:

Abdurrahman Hussain <abdurrahman@nexthop.ai>

Description

This driver implements support for Murata D1U74T Power Supply with PMBus support.

The driver is a client driver to the core PMBus driver. Please see Kernel driver pmbus for details on PMBus client drivers.

Usage Notes

This driver does not auto-detect devices. You will have to instantiate the devices explicitly. Please see How to instantiate I2C devices for details.

Sysfs entries

curr1_label

“iin”

curr1_input

Measured input current

curr1_alarm

Input current alarm

curr1_rated_max

Maximum rated input current

curr2_label

“iout1”

curr2_input

Measured output current

curr2_max

Maximum output current

curr2_max_alarm

Output current high alarm

curr2_crit

Critical high output current

curr2_crit_alarm

Output current critical high alarm

curr2_rated_max

Maximum rated output current

in1_label

“vin”

in1_input

Measured input voltage

in1_alarm

Input voltage alarm

in1_rated_min

Minimum rated input voltage

in1_rated_max

Maximum rated input voltage

in2_label

“vout1”

in2_input

Measured output voltage

in2_alarm

Output voltage alarm

in2_rated_min

Minimum rated output voltage

in2_rated_max

Maximum rated output voltage

power1_label

“pin”

power1_input

Measured input power

power1_alarm

Input power alarm

power1_rated_max

Maximum rated input power

temp[1-3]_input

Measured temperature

temp[1-3]_max

Maximum temperature

temp[1-3]_max_alarm

Maximum temperature alarm

temp[1-3]_rated_max

Maximum rated temperature

fan1_alarm

Fan 1 warning

fan1_fault

Fan 1 fault

fan1_input

Fan 1 speed in RPM

fan1_target

Fan 1 target