xref: /linux/Documentation/devicetree/bindings/hwmon/smsc,emc1403.yaml (revision 7acf90feab8b009fde7def08ff2c622d0f10e99f)

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/hwmon/smsc,emc1403.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: SMSC EMC1402/1403/1404/1428 thermal sensors

maintainers:
  - Svyatoslav Ryhel <clamor95@gmail.com>

properties:
  compatible:
    oneOf:
      - enum:
          - smsc,emc1402
          - smsc,emc1403
          - smsc,emc1404
          - smsc,emc1428

      - items:
          - enum:
              - smsc,emc1412
              - smsc,emc1422
              - smsc,emc1442
          - const: smsc,emc1402

      - items:
          - enum:
              - smsc,emc1413
              - smsc,emc1423
          - const: smsc,emc1403

      - items:
          - enum:
              - smsc,emc1414
              - smsc,emc1424
          - const: smsc,emc1404

      - items:
          - enum:
              - smsc,emc1438
          - const: smsc,emc1428

  interrupts:
    items:
      - description: Sensors "ALERT" pin output.

  reg:
    maxItems: 1

  "#thermal-sensor-cells":
    const: 1

  '#address-cells':
    const: 1

  '#size-cells':
    const: 0

  vdd-supply: true

required:
  - compatible
  - reg

patternProperties:
  "^channel@([0-7])$":
    type: object
    description: Represents channels of the device and their specific configuration.

    properties:
      reg:
        description: The channel number. 0 is local channel, 1-7 are remote channels.
        items:
          minimum: 0
          maximum: 7

      label:
        description: A descriptive name for this channel, like "ambient" or "psu".

    required:
      - reg

    additionalProperties: false

allOf:
  - if:
      properties:
        compatible:
          contains:
            enum:
              - smsc,emc1402
    then:
      patternProperties:
        "^channel@([0-7])$":
          properties:
            reg:
              items:
                maximum: 1

  - if:
      properties:
        compatible:
          contains:
            enum:
              - smsc,emc1403
    then:
      patternProperties:
        "^channel@([0-7])$":
          properties:
            reg:
              items:
                maximum: 2

  - if:
      properties:
        compatible:
          contains:
            enum:
              - smsc,emc1404
    then:
      patternProperties:
        "^channel@([0-7])$":
          properties:
            reg:
              items:
                maximum: 3

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>

    i2c {
        #address-cells = <1>;
        #size-cells = <0>;

        sensor@4c {
            compatible = "smsc,emc1412", "smsc,emc1402";
            reg = <0x4c>;

            interrupt-parent = <&gpio>;
            interrupts = <4 IRQ_TYPE_LEVEL_LOW>;

            vdd-supply = <&vdd_3v3_sys>;
            #thermal-sensor-cells = <1>;
        };
    };
  - |
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;

        sensor@29 {
            compatible = "smsc,emc1428";
            reg = <0x29>;

            #address-cells = <1>;
            #size-cells = <0>;

            channel@0 {
                reg = <0x0>;
                label = "local";
            };

            channel@1 {
                reg = <0x1>;
                label = "chan1";
            };

            channel@2 {
                reg = <0x2>;
                label = "chan2";
            };

            channel@3 {
                reg = <0x3>;
                label = "chan3";
            };

            channel@4 {
                reg = <0x4>;
                label = "chan4";
            };

            channel@5 {
                reg = <0x5>;
                label = "chan5";
            };

            channel@6 {
                reg = <0x6>;
                label = "chan6";
            };

            channel@7 {
                reg = <0x7>;
                label = "chan7";
            };
        };
    };