1*4882a593SmuzhiyunAmazon's Annapurna Labs Thermal Sensor 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunSimple thermal device that allows temperature reading by a single MMIO 4*4882a593Smuzhiyuntransaction. 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunRequired properties: 7*4882a593Smuzhiyun- compatible: "amazon,al-thermal". 8*4882a593Smuzhiyun- reg: The physical base address and length of the sensor's registers. 9*4882a593Smuzhiyun- #thermal-sensor-cells: Must be 1. See Documentation/devicetree/bindings/thermal/thermal-sensor.yaml for a description. 10*4882a593Smuzhiyun 11*4882a593SmuzhiyunExample: 12*4882a593Smuzhiyun thermal: thermal { 13*4882a593Smuzhiyun compatible = "amazon,al-thermal"; 14*4882a593Smuzhiyun reg = <0x0 0x05002860 0x0 0x1>; 15*4882a593Smuzhiyun #thermal-sensor-cells = <0x1>; 16*4882a593Smuzhiyun }; 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun thermal-zones { 19*4882a593Smuzhiyun thermal-z0 { 20*4882a593Smuzhiyun polling-delay-passive = <250>; 21*4882a593Smuzhiyun polling-delay = <1000>; 22*4882a593Smuzhiyun thermal-sensors = <&thermal 0>; 23*4882a593Smuzhiyun trips { 24*4882a593Smuzhiyun critical { 25*4882a593Smuzhiyun temperature = <105000>; 26*4882a593Smuzhiyun hysteresis = <2000>; 27*4882a593Smuzhiyun type = "critical"; 28*4882a593Smuzhiyun }; 29*4882a593Smuzhiyun }; 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun }; 32*4882a593Smuzhiyun }; 33*4882a593Smuzhiyun 34