Open Menu / Documentation / devicetree / bindings / thermal / amlogic,thermal.yaml 
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/thermal/amlogic,thermal.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Amlogic Thermal

maintainers:
  - Guillaume La Roque <glaroque@baylibre.com>

description: Binding for Amlogic Thermal

$ref: thermal-sensor.yaml#

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - amlogic,g12a-cpu-thermal
              - amlogic,g12a-ddr-thermal
          - const: amlogic,g12a-thermal
      - enum:
          - amlogic,a1-cpu-thermal
          - amlogic,t7-thermal

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    maxItems: 1

  power-domains:
    maxItems: 1

  amlogic,ao-secure:
    description: phandle to the ao-secure syscon
    $ref: /schemas/types.yaml#/definitions/phandle

  '#thermal-sensor-cells':
    const: 0

  amlogic,secure-monitor:
    description: phandle to the secure monitor
    $ref: /schemas/types.yaml#/definitions/phandle-array
    items:
      - items:
          - description: phandle to the secure monitor
          - description: sensor index to get specific calibration data

required:
  - compatible
  - reg
  - interrupts
  - clocks

allOf:
  - if:
      properties:
        compatible:
          contains:
            enum:
              - amlogic,a1-cpu-thermal
              - amlogic,g12a-thermal
    then:
      required:
        - amlogic,ao-secure
    else:
      required:
        - amlogic,secure-monitor

unevaluatedProperties: false

examples:
  - |
    temperature-sensor@ff634800 {
        compatible = "amlogic,g12a-cpu-thermal",
                     "amlogic,g12a-thermal";
        reg = <0xff634800 0x50>;
        interrupts = <0x0 0x24 0x0>;
        clocks = <&clk 164>;
        #thermal-sensor-cells = <0>;
        amlogic,ao-secure = <&sec_AO>;
    };
  - |
    #include <dt-bindings/clock/amlogic,t7-peripherals-clkc.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>

    temperature-sensor@20000 {
        compatible = "amlogic,t7-thermal";
        reg = <0x20000 0x50>;
        interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
        clocks = <&clkc_periphs CLKID_TS>;
        #thermal-sensor-cells = <0>;
        amlogic,secure-monitor = <&sm 1>;
    };
...