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dt-bindings: add documentation for max31760 fancontroller

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Add documentation for MAX31760 Fan Controller driver.

Change-Id: Ib065dec13fee8f5f7890468c8562fbf54206f35b
This commit is contained in:
Minghao Zhang 2021-01-07 10:59:13 +08:00
commit e499c6e181
1 changed files with 38 additions and 0 deletions
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bindings/thermal/max31760.txt Normal file
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Bindings for the Maxim MAX31760 Intelligent Fan Controller
==========================================================
The Maxim MAX31760 is a i2c device providing closed-loop, multi-channel fan
management with temperature. Various fan control features are provided,
including PWM frequency control, temperature hysteresis, dual tachometer
measurements, and fan health monitoring.
Required properties:
- compatible : should be "maxim,max31760".
- reg : I2C address, 0x50.
Optional properties:
- maxim,vdd-supply : regulator supplying the vdd pin
- maxim,vdd-max-uv : regulator max voltage
- maxim,vdd-min-uv : regulator min voltage
- maxim,vdd-load-ua : regulator load current output
- maxim,vcca-supply : regulator supplying the vcca pin
- maxim,vcca-max-uv : regulator max voltage
- maxim,vcca-min-uv : regulator min voltage
- maxim,vcca-load-ua : regulator load current output
- maxim,fan_en_gpio : fan enable gpio
Example:
max31760@50 {
compatible = "maxim,max31760";
reg = <0x50>;
maxim,vdd-supply = <&some_reg>;
regulator-names = "maxim,vdd";
maxim,vdd-max-uv = <3400000>;
maxim,vdd-min-uv = <3300000>;
maxim,vdd-load-ua = <300000>;
maxim,vcca-supply = <&some_reg>;
maxim,vcca-max-uv = <1800000>;
maxim,vcca-min-uv = <1800000>;
maxim,vcca-load-ua = <600000>;
maxim,fan_en_gpio = <&tlmm 10 0x00>;
};