1* ZTE zx2967 family Thermal 2 3Required Properties: 4- compatible: should be one of the following. 5 * zte,zx296718-thermal 6- reg: physical base address of the controller and length of memory mapped 7 region. 8- clocks : Pairs of phandle and specifier referencing the controller's clocks. 9- clock-names: "topcrm" for the topcrm clock. 10 "apb" for the apb clock. 11- #thermal-sensor-cells: must be 0. 12 13Please note: slope coefficient defined in thermal-zones section need to be 14multiplied by 1000. 15 16Example for tempsensor: 17 18 tempsensor: tempsensor@148a000 { 19 compatible = "zte,zx296718-thermal"; 20 reg = <0x0148a000 0x20>; 21 clocks = <&topcrm TEMPSENSOR_GATE>, <&audiocrm AUDIO_TS_PCLK>; 22 clock-names = "topcrm", "apb"; 23 #thermal-sensor-cells = <0>; 24 }; 25 26Example for cooling device: 27 28 cooling_dev: cooling_dev { 29 cluster0_cooling_dev: cluster0-cooling-dev { 30 #cooling-cells = <2>; 31 cpumask = <0xf>; 32 capacitance = <1500>; 33 }; 34 35 cluster1_cooling_dev: cluster1-cooling-dev { 36 #cooling-cells = <2>; 37 cpumask = <0x30>; 38 capacitance = <2000>; 39 }; 40 }; 41 42Example for thermal zones: 43 44 thermal-zones { 45 zx296718_thermal: zx296718_thermal { 46 polling-delay-passive = <500>; 47 polling-delay = <1000>; 48 sustainable-power = <6500>; 49 50 thermal-sensors = <&tempsensor 0>; 51 /* 52 * slope need to be multiplied by 1000. 53 */ 54 coefficients = <1951 (-922)>; 55 56 trips { 57 trip0: switch_on_temperature { 58 temperature = <90000>; 59 hysteresis = <2000>; 60 type = "passive"; 61 }; 62 63 trip1: desired_temperature { 64 temperature = <100000>; 65 hysteresis = <2000>; 66 type = "passive"; 67 }; 68 69 crit: critical_temperature { 70 temperature = <110000>; 71 hysteresis = <2000>; 72 type = "critical"; 73 }; 74 }; 75 76 cooling-maps { 77 map0 { 78 trip = <&trip0>; 79 cooling-device = <&gpu 2 5>; 80 }; 81 82 map1 { 83 trip = <&trip0>; 84 cooling-device = <&cluster0_cooling_dev 1 2>; 85 }; 86 87 map2 { 88 trip = <&trip1>; 89 cooling-device = <&cluster0_cooling_dev 1 2>; 90 }; 91 92 map3 { 93 trip = <&crit>; 94 cooling-device = <&cluster0_cooling_dev 1 2>; 95 }; 96 97 map4 { 98 trip = <&trip0>; 99 cooling-device = <&cluster1_cooling_dev 1 2>; 100 contribution = <9000>; 101 }; 102 103 map5 { 104 trip = <&trip1>; 105 cooling-device = <&cluster1_cooling_dev 1 2>; 106 contribution = <4096>; 107 }; 108 109 map6 { 110 trip = <&crit>; 111 cooling-device = <&cluster1_cooling_dev 1 2>; 112 contribution = <4096>; 113 }; 114 }; 115 }; 116 }; 117