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 R-Car Gen3 SoCs, the thermal sensor controllers (TSC) control the thermal
12 control the thermal sensors (THS) which are !! 12 sensors (THS) which are the analog circuits for measuring temperature (Tj)
13 measuring temperature (Tj) inside the LSI. !! 13 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# <<
19 <<
20 properties: 18 properties:
21 compatible: 19 compatible:
22 enum: 20 enum:
23 - renesas,r8a774a1-thermal # RZ/G2M 21 - renesas,r8a774a1-thermal # RZ/G2M
24 - renesas,r8a774b1-thermal # RZ/G2N 22 - renesas,r8a774b1-thermal # RZ/G2N
25 - renesas,r8a774e1-thermal # RZ/G2H <<
26 - renesas,r8a7795-thermal # R-Car H3 23 - renesas,r8a7795-thermal # R-Car H3
27 - renesas,r8a7796-thermal # R-Car M3-W 24 - renesas,r8a7796-thermal # R-Car M3-W
28 - renesas,r8a77961-thermal # R-Car M3-W+ 25 - renesas,r8a77961-thermal # R-Car M3-W+
29 - renesas,r8a77965-thermal # R-Car M3-N 26 - renesas,r8a77965-thermal # R-Car M3-N
30 - renesas,r8a77980-thermal # R-Car V3H 27 - renesas,r8a77980-thermal # R-Car V3H
31 - renesas,r8a779a0-thermal # R-Car V3U !! 28 reg:
32 - renesas,r8a779f0-thermal # R-Car S4-8 !! 29 minItems: 2
33 - renesas,r8a779g0-thermal # R-Car V4H !! 30 maxItems: 3
34 - renesas,r8a779h0-thermal # R-Car V4M !! 31 items:
35 !! 32 - description: TSC1 registers
36 reg: true !! 33 - description: TSC2 registers
>> 34 - description: TSC3 registers
37 35
38 interrupts: 36 interrupts:
39 items: 37 items:
40 - description: TEMP1 interrupt 38 - description: TEMP1 interrupt
41 - description: TEMP2 interrupt 39 - description: TEMP2 interrupt
42 - description: TEMP3 interrupt 40 - description: TEMP3 interrupt
43 41
44 clocks: 42 clocks:
45 maxItems: 1 43 maxItems: 1
46 44
47 power-domains: 45 power-domains:
48 maxItems: 1 46 maxItems: 1
49 47
50 resets: 48 resets:
51 maxItems: 1 49 maxItems: 1
52 50
53 "#thermal-sensor-cells": 51 "#thermal-sensor-cells":
54 const: 1 52 const: 1
55 53
56 required: 54 required:
57 - compatible 55 - compatible
58 - reg 56 - reg
>> 57 - interrupts
59 - clocks 58 - clocks
60 - power-domains 59 - power-domains
61 - resets 60 - resets
>> 61 - "#thermal-sensor-cells"
62 62
63 if: !! 63 additionalProperties: false
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 64
102 examples: 65 examples:
103 - | 66 - |
104 #include <dt-bindings/clock/r8a7795-cpg-ms 67 #include <dt-bindings/clock/r8a7795-cpg-mssr.h>
105 #include <dt-bindings/interrupt-controller 68 #include <dt-bindings/interrupt-controller/arm-gic.h>
106 #include <dt-bindings/power/r8a7795-sysc.h 69 #include <dt-bindings/power/r8a7795-sysc.h>
107 70
108 tsc: thermal@e6198000 { 71 tsc: thermal@e6198000 {
109 compatible = "renesas,r8a7795-thermal" !! 72 compatible = "renesas,r8a7795-thermal";
110 reg = <0xe6198000 0x100>, !! 73 reg = <0xe6198000 0x100>,
111 <0xe61a0000 0x100>, !! 74 <0xe61a0000 0x100>,
112 <0xe61a8000 0x100>; !! 75 <0xe61a8000 0x100>;
113 interrupts = <GIC_SPI 67 IRQ_TYPE_LEVE !! 76 interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
114 <GIC_SPI 68 IRQ_TYPE_LEVE !! 77 <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>,
115 <GIC_SPI 69 IRQ_TYPE_LEVE !! 78 <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
116 clocks = <&cpg CPG_MOD 522>; !! 79 clocks = <&cpg CPG_MOD 522>;
117 power-domains = <&sysc R8A7795_PD_ALWA !! 80 power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
118 resets = <&cpg 522>; !! 81 resets = <&cpg 522>;
119 #thermal-sensor-cells = <1>; !! 82 #thermal-sensor-cells = <1>;
120 }; 83 };
121 84
122 thermal-zones { 85 thermal-zones {
123 sensor_thermal: sensor-thermal { !! 86 sensor_thermal: sensor-thermal {
124 polling-delay-passive = <250>; !! 87 polling-delay-passive = <250>;
125 polling-delay = <1000>; !! 88 polling-delay = <1000>;
126 thermal-sensors = <&tsc 0>; !! 89 thermal-sensors = <&tsc 0>;
127 !! 90
128 trips { !! 91 trips {
129 sensor1_crit: sensor1-crit { !! 92 sensor1_crit: sensor1-crit {
130 temperature = <90000>; !! 93 temperature = <90000>;
131 hysteresis = <2000>; !! 94 hysteresis = <2000>;
132 type = "critical"; !! 95 type = "critical";
133 }; !! 96 };
>> 97 };
134 }; 98 };
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 }; 99 };
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