The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/thermal/rzg2l-thermal.yaml

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    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 properties:
   17   compatible:
   18     items:
   19       - enum:
   20           - renesas,r9a07g043-tsu # RZ/G2UL
   21           - renesas,r9a07g044-tsu # RZ/G2{L,LC}
   22           - renesas,r9a07g054-tsu # RZ/V2L
   23       - const: renesas,rzg2l-tsu
   24 
   25   reg:
   26     maxItems: 1
   27 
   28   clocks:
   29     maxItems: 1
   30 
   31   power-domains:
   32     maxItems: 1
   33 
   34   resets:
   35     maxItems: 1
   36 
   37   "#thermal-sensor-cells":
   38     const: 1
   39 
   40 required:
   41   - compatible
   42   - reg
   43   - clocks
   44   - power-domains
   45   - resets
   46   - "#thermal-sensor-cells"
   47 
   48 additionalProperties: false
   49 
   50 examples:
   51   - |
   52     #include <dt-bindings/clock/r9a07g044-cpg.h>
   53 
   54     tsu: thermal@10059400 {
   55             compatible = "renesas,r9a07g044-tsu",
   56                          "renesas,rzg2l-tsu";
   57             reg = <0x10059400 0x400>;
   58             clocks = <&cpg CPG_MOD R9A07G044_TSU_PCLK>;
   59             resets = <&cpg R9A07G044_TSU_PRESETN>;
   60             power-domains = <&cpg>;
   61             #thermal-sensor-cells = <1>;
   62     };
   63 
   64     thermal-zones {
   65             cpu-thermal {
   66                     polling-delay-passive = <250>;
   67                     polling-delay = <1000>;
   68                     thermal-sensors = <&tsu 0>;
   69 
   70                     trips {
   71                             sensor_crit: sensor-crit {
   72                                     temperature = <125000>;
   73                                     hysteresis = <1000>;
   74                                     type = "critical";
   75                             };
   76                     };
   77             };
   78     };

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