| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 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 | |
| 8 | title: Renesas R-Car Gen3 Thermal Sensor |
| 9 | |
| 10 | description: |
| 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 | |
| 15 | maintainers: |
| 16 | - Niklas Söderlund <niklas.soderlund@ragnatech.se> |
| 17 | |
| 18 | properties: |
| 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 | |
| 33 | reg: true |
| 34 | |
| 35 | interrupts: |
| 36 | items: |
| 37 | - description: TEMP1 interrupt |
| 38 | - description: TEMP2 interrupt |
| 39 | - description: TEMP3 interrupt |
| 40 | |
| 41 | clocks: |
| 42 | maxItems: 1 |
| 43 | |
| 44 | power-domains: |
| 45 | maxItems: 1 |
| 46 | |
| 47 | resets: |
| 48 | maxItems: 1 |
| 49 | |
| 50 | "#thermal-sensor-cells": |
| 51 | const: 1 |
| 52 | |
| 53 | required: |
| 54 | - compatible |
| 55 | - reg |
| 56 | - clocks |
| 57 | - power-domains |
| 58 | - resets |
| 59 | - "#thermal-sensor-cells" |
| 60 | |
| 61 | if: |
| 62 | properties: |
| 63 | compatible: |
| 64 | contains: |
| 65 | enum: |
| 66 | - renesas,r8a779a0-thermal |
| 67 | then: |
| 68 | properties: |
| 69 | reg: |
| 70 | items: |
| 71 | - description: TSC0 registers |
| 72 | - description: TSC1 registers |
| 73 | - description: TSC2 registers |
| 74 | - description: TSC3 registers |
| 75 | - description: TSC4 registers |
| 76 | else: |
| 77 | properties: |
| 78 | reg: |
| 79 | minItems: 2 |
| 80 | items: |
| 81 | - description: TSC1 registers |
| 82 | - description: TSC2 registers |
| 83 | - description: TSC3 registers |
| 84 | - description: TSC4 registers |
| 85 | if: |
| 86 | not: |
| 87 | properties: |
| 88 | compatible: |
| 89 | contains: |
| 90 | enum: |
| 91 | - renesas,r8a779f0-thermal |
| 92 | - renesas,r8a779g0-thermal |
| 93 | then: |
| 94 | required: |
| 95 | - interrupts |
| 96 | |
| 97 | additionalProperties: false |
| 98 | |
| 99 | examples: |
| 100 | - | |
| 101 | #include <dt-bindings/clock/r8a7795-cpg-mssr.h> |
| 102 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 103 | #include <dt-bindings/power/r8a7795-sysc.h> |
| 104 | |
| 105 | tsc: thermal@e6198000 { |
| 106 | compatible = "renesas,r8a7795-thermal"; |
| 107 | reg = <0xe6198000 0x100>, |
| 108 | <0xe61a0000 0x100>, |
| 109 | <0xe61a8000 0x100>; |
| 110 | interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>, |
| 111 | <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>, |
| 112 | <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>; |
| 113 | clocks = <&cpg CPG_MOD 522>; |
| 114 | power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; |
| 115 | resets = <&cpg 522>; |
| 116 | #thermal-sensor-cells = <1>; |
| 117 | }; |
| 118 | |
| 119 | thermal-zones { |
| 120 | sensor_thermal: sensor-thermal { |
| 121 | polling-delay-passive = <250>; |
| 122 | polling-delay = <1000>; |
| 123 | thermal-sensors = <&tsc 0>; |
| 124 | |
| 125 | trips { |
| 126 | sensor1_crit: sensor1-crit { |
| 127 | temperature = <90000>; |
| 128 | hysteresis = <2000>; |
| 129 | type = "critical"; |
| 130 | }; |
| 131 | }; |
| 132 | }; |
| 133 | }; |
| 134 | - | |
| 135 | #include <dt-bindings/clock/r8a779a0-cpg-mssr.h> |
| 136 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 137 | #include <dt-bindings/power/r8a779a0-sysc.h> |
| 138 | |
| 139 | tsc_r8a779a0: thermal@e6190000 { |
| 140 | compatible = "renesas,r8a779a0-thermal"; |
| 141 | reg = <0xe6190000 0x200>, |
| 142 | <0xe6198000 0x200>, |
| 143 | <0xe61a0000 0x200>, |
| 144 | <0xe61a8000 0x200>, |
| 145 | <0xe61b0000 0x200>; |
| 146 | clocks = <&cpg CPG_MOD 919>; |
| 147 | power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>; |
| 148 | resets = <&cpg 919>; |
| 149 | #thermal-sensor-cells = <1>; |
| 150 | }; |