1 # SPDX-License-Identifier: GPL-2.0-only 1 # SPDX-License-Identifier: GPL-2.0-only
2 # Copyright (C) 2020 Renesas Electronics Corp. 2 # Copyright (C) 2020 Renesas Electronics Corp.
3 %YAML 1.2 3 %YAML 1.2
4 --- 4 ---
5 $id: http://devicetree.org/schemas/thermal/rca 5 $id: http://devicetree.org/schemas/thermal/rcar-gen3-thermal.yaml#
6 $schema: http://devicetree.org/meta-schemas/co 6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 7
8 title: Renesas R-Car Gen3 Thermal Sensor 8 title: Renesas R-Car Gen3 Thermal Sensor
9 9
10 description: 10 description:
11 On most R-Car Gen3 and later SoCs, the therm 11 On most R-Car Gen3 and later SoCs, the thermal sensor controllers (TSC)
12 control the thermal sensors (THS) which are 12 control the thermal sensors (THS) which are the analog circuits for
13 measuring temperature (Tj) inside the LSI. 13 measuring temperature (Tj) inside the LSI.
14 14
15 maintainers: 15 maintainers:
16 - Niklas Söderlund <niklas.soderlund@ragnate 16 - Niklas Söderlund <niklas.soderlund@ragnatech.se>
17 17
18 $ref: thermal-sensor.yaml# 18 $ref: thermal-sensor.yaml#
19 19
20 properties: 20 properties:
21 compatible: 21 compatible:
22 enum: 22 enum:
23 - renesas,r8a774a1-thermal # RZ/G2M 23 - renesas,r8a774a1-thermal # RZ/G2M
24 - renesas,r8a774b1-thermal # RZ/G2N 24 - renesas,r8a774b1-thermal # RZ/G2N
25 - renesas,r8a774e1-thermal # RZ/G2H 25 - renesas,r8a774e1-thermal # RZ/G2H
26 - renesas,r8a7795-thermal # R-Car H3 26 - renesas,r8a7795-thermal # R-Car H3
27 - renesas,r8a7796-thermal # R-Car M3-W 27 - renesas,r8a7796-thermal # R-Car M3-W
28 - renesas,r8a77961-thermal # R-Car M3-W+ 28 - renesas,r8a77961-thermal # R-Car M3-W+
29 - renesas,r8a77965-thermal # R-Car M3-N 29 - renesas,r8a77965-thermal # R-Car M3-N
30 - renesas,r8a77980-thermal # R-Car V3H 30 - renesas,r8a77980-thermal # R-Car V3H
31 - renesas,r8a779a0-thermal # R-Car V3U 31 - renesas,r8a779a0-thermal # R-Car V3U
32 - renesas,r8a779f0-thermal # R-Car S4-8 32 - renesas,r8a779f0-thermal # R-Car S4-8
33 - renesas,r8a779g0-thermal # R-Car V4H 33 - renesas,r8a779g0-thermal # R-Car V4H
34 - renesas,r8a779h0-thermal # R-Car V4M 34 - renesas,r8a779h0-thermal # R-Car V4M
35 35
36 reg: true 36 reg: true
37 37
38 interrupts: 38 interrupts:
39 items: 39 items:
40 - description: TEMP1 interrupt 40 - description: TEMP1 interrupt
41 - description: TEMP2 interrupt 41 - description: TEMP2 interrupt
42 - description: TEMP3 interrupt 42 - description: TEMP3 interrupt
43 43
44 clocks: 44 clocks:
45 maxItems: 1 45 maxItems: 1
46 46
47 power-domains: 47 power-domains:
48 maxItems: 1 48 maxItems: 1
49 49
50 resets: 50 resets:
51 maxItems: 1 51 maxItems: 1
52 52
53 "#thermal-sensor-cells": 53 "#thermal-sensor-cells":
54 const: 1 54 const: 1
55 55
56 required: 56 required:
57 - compatible 57 - compatible
58 - reg 58 - reg
59 - clocks 59 - clocks
60 - power-domains 60 - power-domains
61 - resets 61 - resets
62 62
63 if: 63 if:
64 properties: 64 properties:
65 compatible: 65 compatible:
66 contains: 66 contains:
67 enum: 67 enum:
68 - renesas,r8a779a0-thermal 68 - renesas,r8a779a0-thermal
69 then: 69 then:
70 properties: 70 properties:
71 reg: 71 reg:
72 items: 72 items:
73 - description: TSC0 registers 73 - description: TSC0 registers
74 - description: TSC1 registers 74 - description: TSC1 registers
75 - description: TSC2 registers 75 - description: TSC2 registers
76 - description: TSC3 registers 76 - description: TSC3 registers
77 - description: TSC4 registers 77 - description: TSC4 registers
78 else: 78 else:
79 properties: 79 properties:
80 reg: 80 reg:
81 minItems: 2 81 minItems: 2
82 items: 82 items:
83 - description: TSC1 registers 83 - description: TSC1 registers
84 - description: TSC2 registers 84 - description: TSC2 registers
85 - description: TSC3 registers 85 - description: TSC3 registers
86 - description: TSC4 registers 86 - description: TSC4 registers
87 if: 87 if:
88 not: 88 not:
89 properties: 89 properties:
90 compatible: 90 compatible:
91 contains: 91 contains:
92 enum: 92 enum:
93 - renesas,r8a779f0-thermal 93 - renesas,r8a779f0-thermal
94 - renesas,r8a779g0-thermal 94 - renesas,r8a779g0-thermal
95 - renesas,r8a779h0-thermal 95 - renesas,r8a779h0-thermal
96 then: 96 then:
97 required: 97 required:
98 - interrupts 98 - interrupts
99 99
100 unevaluatedProperties: false 100 unevaluatedProperties: false
101 101
102 examples: 102 examples:
103 - | 103 - |
104 #include <dt-bindings/clock/r8a7795-cpg-ms 104 #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
105 #include <dt-bindings/interrupt-controller 105 #include <dt-bindings/interrupt-controller/arm-gic.h>
106 #include <dt-bindings/power/r8a7795-sysc.h 106 #include <dt-bindings/power/r8a7795-sysc.h>
107 107
108 tsc: thermal@e6198000 { 108 tsc: thermal@e6198000 {
109 compatible = "renesas,r8a7795-thermal" 109 compatible = "renesas,r8a7795-thermal";
110 reg = <0xe6198000 0x100>, 110 reg = <0xe6198000 0x100>,
111 <0xe61a0000 0x100>, 111 <0xe61a0000 0x100>,
112 <0xe61a8000 0x100>; 112 <0xe61a8000 0x100>;
113 interrupts = <GIC_SPI 67 IRQ_TYPE_LEVE 113 interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
114 <GIC_SPI 68 IRQ_TYPE_LEVE 114 <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>,
115 <GIC_SPI 69 IRQ_TYPE_LEVE 115 <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
116 clocks = <&cpg CPG_MOD 522>; 116 clocks = <&cpg CPG_MOD 522>;
117 power-domains = <&sysc R8A7795_PD_ALWA 117 power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
118 resets = <&cpg 522>; 118 resets = <&cpg 522>;
119 #thermal-sensor-cells = <1>; 119 #thermal-sensor-cells = <1>;
120 }; 120 };
121 121
122 thermal-zones { 122 thermal-zones {
123 sensor_thermal: sensor-thermal { 123 sensor_thermal: sensor-thermal {
124 polling-delay-passive = <250>; 124 polling-delay-passive = <250>;
125 polling-delay = <1000>; 125 polling-delay = <1000>;
126 thermal-sensors = <&tsc 0>; 126 thermal-sensors = <&tsc 0>;
127 127
128 trips { 128 trips {
129 sensor1_crit: sensor1-crit { 129 sensor1_crit: sensor1-crit {
130 temperature = <90000>; 130 temperature = <90000>;
131 hysteresis = <2000>; 131 hysteresis = <2000>;
132 type = "critical"; 132 type = "critical";
133 }; 133 };
134 }; 134 };
135 }; 135 };
136 }; 136 };
137 - | 137 - |
138 #include <dt-bindings/clock/r8a779a0-cpg-m 138 #include <dt-bindings/clock/r8a779a0-cpg-mssr.h>
139 #include <dt-bindings/interrupt-controller 139 #include <dt-bindings/interrupt-controller/arm-gic.h>
140 #include <dt-bindings/power/r8a779a0-sysc. 140 #include <dt-bindings/power/r8a779a0-sysc.h>
141 141
142 tsc_r8a779a0: thermal@e6190000 { 142 tsc_r8a779a0: thermal@e6190000 {
143 compatible = "renesas,r8a779a0-thermal 143 compatible = "renesas,r8a779a0-thermal";
144 reg = <0xe6190000 0x200>, 144 reg = <0xe6190000 0x200>,
145 <0xe6198000 0x200>, 145 <0xe6198000 0x200>,
146 <0xe61a0000 0x200>, 146 <0xe61a0000 0x200>,
147 <0xe61a8000 0x200>, 147 <0xe61a8000 0x200>,
148 <0xe61b0000 0x200>; 148 <0xe61b0000 0x200>;
149 clocks = <&cpg CPG_MOD 919>; 149 clocks = <&cpg CPG_MOD 919>;
150 power-domains = <&sysc R8A779A0_PD_ALW 150 power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
151 resets = <&cpg 919>; 151 resets = <&cpg 919>;
152 #thermal-sensor-cells = <1>; 152 #thermal-sensor-cells = <1>;
153 }; 153 };
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