1Amazon's Annapurna Labs Thermal Sensor 2 3Simple thermal device that allows temperature reading by a single MMIO 4transaction. 5 6Required properties: 7- compatible: "amazon,al-thermal". 8- reg: The physical base address and length of the sensor's registers. 9- #thermal-sensor-cells: Must be 1. See Documentation/devicetree/bindings/thermal/thermal-sensor.yaml for a description. 10 11Example: 12 thermal: thermal { 13 compatible = "amazon,al-thermal"; 14 reg = <0x0 0x05002860 0x0 0x1>; 15 #thermal-sensor-cells = <0x1>; 16 }; 17 18 thermal-zones { 19 thermal-z0 { 20 polling-delay-passive = <250>; 21 polling-delay = <1000>; 22 thermal-sensors = <&thermal 0>; 23 trips { 24 critical { 25 temperature = <105000>; 26 hysteresis = <2000>; 27 type = "critical"; 28 }; 29 }; 30 31 }; 32 }; 33 34