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