1Binding for Thermal Sensor driver for BCM2835 SoCs. 2 3Required parameters: 4------------------- 5 6compatible: should be one of: "brcm,bcm2835-thermal", 7 "brcm,bcm2836-thermal" or "brcm,bcm2837-thermal" 8reg: Address range of the thermal registers. 9clocks: Phandle of the clock used by the thermal sensor. 10#thermal-sensor-cells: should be 0 (see Documentation/devicetree/bindings/thermal/thermal-sensor.yaml) 11 12Example: 13 14thermal-zones { 15 cpu_thermal: cpu-thermal { 16 polling-delay-passive = <0>; 17 polling-delay = <1000>; 18 19 thermal-sensors = <&thermal>; 20 21 trips { 22 cpu-crit { 23 temperature = <80000>; 24 hysteresis = <0>; 25 type = "critical"; 26 }; 27 }; 28 29 coefficients = <(-538) 407000>; 30 31 cooling-maps { 32 }; 33 }; 34}; 35 36thermal: thermal@7e212000 { 37 compatible = "brcm,bcm2835-thermal"; 38 reg = <0x7e212000 0x8>; 39 clocks = <&clocks BCM2835_CLOCK_TSENS>; 40 #thermal-sensor-cells = <0>; 41}; 42