1# SPDX-License-Identifier: GPL-2.0-only 2# Copyright (C) 2020 Renesas Electronics Corp. 3%YAML 1.2 4--- 5$id: http://devicetree.org/schemas/thermal/rcar-gen3-thermal.yaml# 6$schema: http://devicetree.org/meta-schemas/core.yaml# 7 8title: Renesas R-Car Gen3 Thermal Sensor 9 10description: 11 On most R-Car Gen3 and later SoCs, the thermal sensor controllers (TSC) 12 control the thermal sensors (THS) which are the analog circuits for 13 measuring temperature (Tj) inside the LSI. 14 15maintainers: 16 - Niklas Söderlund <niklas.soderlund@ragnatech.se> 17 18properties: 19 compatible: 20 enum: 21 - renesas,r8a774a1-thermal # RZ/G2M 22 - renesas,r8a774b1-thermal # RZ/G2N 23 - renesas,r8a774e1-thermal # RZ/G2H 24 - renesas,r8a7795-thermal # R-Car H3 25 - renesas,r8a7796-thermal # R-Car M3-W 26 - renesas,r8a77961-thermal # R-Car M3-W+ 27 - renesas,r8a77965-thermal # R-Car M3-N 28 - renesas,r8a77980-thermal # R-Car V3H 29 - renesas,r8a779a0-thermal # R-Car V3U 30 - renesas,r8a779f0-thermal # R-Car S4-8 31 - renesas,r8a779g0-thermal # R-Car V4H 32 - renesas,r8a779h0-thermal # R-Car V4M 33 34 reg: true 35 36 interrupts: 37 items: 38 - description: TEMP1 interrupt 39 - description: TEMP2 interrupt 40 - description: TEMP3 interrupt 41 42 clocks: 43 maxItems: 1 44 45 power-domains: 46 maxItems: 1 47 48 resets: 49 maxItems: 1 50 51 "#thermal-sensor-cells": 52 const: 1 53 54required: 55 - compatible 56 - reg 57 - clocks 58 - power-domains 59 - resets 60 - "#thermal-sensor-cells" 61 62if: 63 properties: 64 compatible: 65 contains: 66 enum: 67 - renesas,r8a779a0-thermal 68then: 69 properties: 70 reg: 71 items: 72 - description: TSC0 registers 73 - description: TSC1 registers 74 - description: TSC2 registers 75 - description: TSC3 registers 76 - description: TSC4 registers 77else: 78 properties: 79 reg: 80 minItems: 2 81 items: 82 - description: TSC1 registers 83 - description: TSC2 registers 84 - description: TSC3 registers 85 - description: TSC4 registers 86 if: 87 not: 88 properties: 89 compatible: 90 contains: 91 enum: 92 - renesas,r8a779f0-thermal 93 - renesas,r8a779g0-thermal 94 - renesas,r8a779h0-thermal 95 then: 96 required: 97 - interrupts 98 99additionalProperties: false 100 101examples: 102 - | 103 #include <dt-bindings/clock/r8a7795-cpg-mssr.h> 104 #include <dt-bindings/interrupt-controller/arm-gic.h> 105 #include <dt-bindings/power/r8a7795-sysc.h> 106 107 tsc: thermal@e6198000 { 108 compatible = "renesas,r8a7795-thermal"; 109 reg = <0xe6198000 0x100>, 110 <0xe61a0000 0x100>, 111 <0xe61a8000 0x100>; 112 interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>, 113 <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>, 114 <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>; 115 clocks = <&cpg CPG_MOD 522>; 116 power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; 117 resets = <&cpg 522>; 118 #thermal-sensor-cells = <1>; 119 }; 120 121 thermal-zones { 122 sensor_thermal: sensor-thermal { 123 polling-delay-passive = <250>; 124 polling-delay = <1000>; 125 thermal-sensors = <&tsc 0>; 126 127 trips { 128 sensor1_crit: sensor1-crit { 129 temperature = <90000>; 130 hysteresis = <2000>; 131 type = "critical"; 132 }; 133 }; 134 }; 135 }; 136 - | 137 #include <dt-bindings/clock/r8a779a0-cpg-mssr.h> 138 #include <dt-bindings/interrupt-controller/arm-gic.h> 139 #include <dt-bindings/power/r8a779a0-sysc.h> 140 141 tsc_r8a779a0: thermal@e6190000 { 142 compatible = "renesas,r8a779a0-thermal"; 143 reg = <0xe6190000 0x200>, 144 <0xe6198000 0x200>, 145 <0xe61a0000 0x200>, 146 <0xe61a8000 0x200>, 147 <0xe61b0000 0x200>; 148 clocks = <&cpg CPG_MOD 919>; 149 power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>; 150 resets = <&cpg 919>; 151 #thermal-sensor-cells = <1>; 152 }; 153