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-Kernel driver max31785
-======================
-
-Supported chips:
- * Maxim MAX31785, MAX31785A
- Prefix: 'max31785' or 'max31785a'
- Addresses scanned: -
- Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX31785.pdf
-
-Author: Andrew Jeffery <andrew@aj.id.au>
-
-Description
------------
-
-The Maxim MAX31785 is a PMBus device providing closed-loop, multi-channel fan
-management with temperature and remote voltage sensing. Various fan control
-features are provided, including PWM frequency control, temperature hysteresis,
-dual tachometer measurements, and fan health monitoring.
-
-For dual-rotor configurations the MAX31785A exposes the second rotor tachometer
-readings in attributes fan[5-8]_input. By contrast the MAX31785 only exposes
-the slowest rotor measurement, and does so in the fan[1-4]_input attributes.
-
-Usage Notes
------------
-
-This driver does not probe for PMBus devices. You will have to instantiate
-devices explicitly.
-
-Sysfs attributes
-----------------
-
-fan[1-4]_alarm Fan alarm.
-fan[1-4]_fault Fan fault.
-fan[1-8]_input Fan RPM. On the MAX31785A, inputs 5-8 correspond to the
- second rotor of fans 1-4
-fan[1-4]_target Fan input target
-
-in[1-6]_crit Critical maximum output voltage
-in[1-6]_crit_alarm Output voltage critical high alarm
-in[1-6]_input Measured output voltage
-in[1-6]_label "vout[18-23]"
-in[1-6]_lcrit Critical minimum output voltage
-in[1-6]_lcrit_alarm Output voltage critical low alarm
-in[1-6]_max Maximum output voltage
-in[1-6]_max_alarm Output voltage high alarm
-in[1-6]_min Minimum output voltage
-in[1-6]_min_alarm Output voltage low alarm
-
-pwm[1-4] Fan target duty cycle (0..255)
-pwm[1-4]_enable 0: Full-speed
- 1: Manual PWM control
- 2: Automatic PWM (tach-feedback RPM fan-control)
- 3: Automatic closed-loop (temp-feedback fan-control)
-
-temp[1-11]_crit Critical high temperature
-temp[1-11]_crit_alarm Chip temperature critical high alarm
-temp[1-11]_input Measured temperature
-temp[1-11]_max Maximum temperature
-temp[1-11]_max_alarm Chip temperature high alarm