From d1969c710068445f827d716ebdf153a3fe7780e1 Mon Sep 17 00:00:00 2001 From: Minghao Zhang Date: Sat, 30 Jan 2021 07:21:42 +0800 Subject: [PATCH] dt-bindings: max31760: Add description for the fan cooling device Update the documentation to reflect the cooling device behavior of the max31760 fan controller. Change-Id: I7149329eae88c6f888e2cf383c186266d940b1cb --- bindings/thermal/max31760.txt | 19 +++---------------- 1 file changed, 3 insertions(+), 16 deletions(-) diff --git a/bindings/thermal/max31760.txt b/bindings/thermal/max31760.txt index db27cdbe5b0d..ee3e813ef7b5 100644 --- a/bindings/thermal/max31760.txt +++ b/bindings/thermal/max31760.txt @@ -1,10 +1,9 @@ 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. +The Maxim MAX31760 is a i2c device and will register as a cooling device. +MAX31760 fan controller supports different PWM frequencies, which can be +used as cooling device levels by controlling the fan speed. Required properties: - compatible : should be "maxim,max31760". @@ -12,13 +11,7 @@ Required properties: 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: @@ -27,12 +20,6 @@ Example: 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>; };