dts/upstream/Bindings/thermal/rzg2l-thermal.yaml

   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 <[email protected]>
  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     };