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