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Kernel driver ir35221

Documentation/hwmon/ir35221.rst

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Kernel driver ir35221

Supported chips:

  • Infineon IR35221

    Prefix: 'ir35221'

    Addresses scanned: -

    Datasheet: Datasheet is not publicly available.

Author: Samuel Mendoza-Jonas [email protected]

Description

IR35221 is a Digital DC-DC Multiphase Converter

Usage Notes

This driver does not probe for PMBus devices. You will have to instantiate devices explicitly.

Example: the following commands will load the driver for an IR35221 at address 0x70 on I2C bus #4::

# modprobe ir35221
# echo ir35221 0x70 > /sys/bus/i2c/devices/i2c-4/new_device

Sysfs attributes

======================= ======================================================= curr1_label "iin" curr1_input Measured input current curr1_max Maximum current curr1_max_alarm Current high alarm

curr[2-3]_label "iout[1-2]" curr[2-3]_input Measured output current curr[2-3]_crit Critical maximum current curr[2-3]_crit_alarm Current critical high alarm curr[2-3]_highest Highest output current curr[2-3]_lowest Lowest output current curr[2-3]_max Maximum current curr[2-3]_max_alarm Current high alarm

in1_label "vin" in1_input Measured input voltage in1_crit Critical maximum input voltage in1_crit_alarm Input voltage critical high alarm in1_highest Highest input voltage in1_lowest Lowest input voltage in1_min Minimum input voltage in1_min_alarm Input voltage low alarm

in[2-3]_label "vout[1-2]" in[2-3]_input Measured output voltage in[2-3]_lcrit Critical minimum output voltage in[2-3]_lcrit_alarm Output voltage critical low alarm in[2-3]_crit Critical maximum output voltage in[2-3]_crit_alarm Output voltage critical high alarm in[2-3]_highest Highest output voltage in[2-3]_lowest Lowest output voltage in[2-3]_max Maximum output voltage in[2-3]_max_alarm Output voltage high alarm in[2-3]_min Minimum output voltage in[2-3]_min_alarm Output voltage low alarm

power1_label "pin" power1_input Measured input power power1_alarm Input power high alarm power1_max Input power limit

power[2-3]_label "pout[1-2]" power[2-3]_input Measured output power power[2-3]_max Output power limit power[2-3]_max_alarm Output power high alarm

temp[1-2]_input Measured temperature temp[1-2]_crit Critical high temperature temp[1-2]_crit_alarm Chip temperature critical high alarm temp[1-2]_highest Highest temperature temp[1-2]_lowest Lowest temperature temp[1-2]_max Maximum temperature temp[1-2]_max_alarm Chip temperature high alarm ======================= =======================================================