Kernel driver max20751

Supported chips:

• maxim MAX20751

  Prefix: ‘max20751’

  Addresses scanned: -

  Datasheet: http://datasheets.maximintegrated.com/en/ds/MAX20751.pdf

  Application note: http://pdfserv.maximintegrated.com/en/an/AN5941.pdf

Author: Guenter Roeck <linux@roeck-us.net>

Description

This driver supports MAX20751 Multiphase Master with PMBus Interface and Internal Buck Converter.

The driver is a client driver to the core PMBus driver. Please see Documentation/hwmon/pmbus.rst 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 Documentation/i2c/instantiating-devices.rst for details.

Platform data support

The driver supports standard PMBus driver platform data.

Sysfs entries

The following attributes are supported.

in1_label	“vin1”
in1_input	Measured voltage.
in1_min	Minimum input voltage.
in1_max	Maximum input voltage.
in1_lcrit	Critical minimum input voltage.
in1_crit	Critical maximum input voltage.
in1_min_alarm	Input voltage low alarm.
in1_lcrit_alarm	Input voltage critical low alarm.
in1_min_alarm	Input voltage low alarm.
in1_max_alarm	Input voltage high alarm.
in2_label	“vout1”
in2_input	Measured voltage.
in2_min	Minimum output voltage.
in2_max	Maximum output voltage.
in2_lcrit	Critical minimum output voltage.
in2_crit	Critical maximum output voltage.
in2_min_alarm	Output voltage low alarm.
in2_lcrit_alarm	Output voltage critical low alarm.
in2_min_alarm	Output voltage low alarm.
in2_max_alarm	Output voltage high alarm.
curr1_input	Measured output current.
curr1_label	“iout1”
curr1_max	Maximum output current.
curr1_alarm	Current high alarm.
temp1_input	Measured temperature.
temp1_max	Maximum temperature.
temp1_crit	Critical high temperature.
temp1_max_alarm	Chip temperature high alarm.
temp1_crit_alarm	Chip temperature critical high alarm.
power1_input	Output power.
power1_label	“pout1”