1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/thermal/rzg2l-thermal.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Renesas RZ/G2L Thermal Sensor Unit
8
9 description:
10 On RZ/G2L SoCs, the thermal sensor unit (TSU) measures the
11 temperature(Tj) inside the LSI.
12
13 maintainers:
14 - Biju Das <biju.das.jz@bp.renesas.com>
15
16 $ref: thermal-sensor.yaml#
17
18 properties:
19 compatible:
20 items:
21 - enum:
22 - renesas,r9a07g043-tsu # RZ/G2UL and RZ/Five
23 - renesas,r9a07g044-tsu # RZ/G2{L,LC}
24 - renesas,r9a07g054-tsu # RZ/V2L
25 - const: renesas,rzg2l-tsu
26
27 reg:
28 maxItems: 1
29
30 clocks:
31 maxItems: 1
32
33 power-domains:
34 maxItems: 1
35
36 resets:
37 maxItems: 1
38
39 "#thermal-sensor-cells":
40 const: 1
41
42 required:
43 - compatible
44 - reg
45 - clocks
46 - power-domains
47 - resets
48
49 unevaluatedProperties: false
50
51 examples:
52 - |
53 #include <dt-bindings/clock/r9a07g044-cpg.h>
54
55 tsu: thermal@10059400 {
56 compatible = "renesas,r9a07g044-tsu",
57 "renesas,rzg2l-tsu";
58 reg = <0x10059400 0x400>;
59 clocks = <&cpg CPG_MOD R9A07G044_TSU_PCLK>;
60 resets = <&cpg R9A07G044_TSU_PRESETN>;
61 power-domains = <&cpg>;
62 #thermal-sensor-cells = <1>;
63 };
64
65 thermal-zones {
66 cpu-thermal {
67 polling-delay-passive = <250>;
68 polling-delay = <1000>;
69 thermal-sensors = <&tsu 0>;
70
71 trips {
72 sensor_crit: sensor-crit {
73 temperature = <125000>;
74 hysteresis = <1000>;
75 type = "critical";
76 };
77 };
78 };
79 };
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