# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/iio/temperature/microchip,mcp9600.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Microchip MCP9600 and similar thermocouple EMF converters

maintainers:
  - Andrew Hepp <andrew.hepp@ahepp.dev>

description:
  https://ww1.microchip.com/downloads/en/DeviceDoc/MCP960X-Data-Sheet-20005426.pdf

properties:
  compatible:
    oneOf:
      - const: microchip,mcp9600
      - items:
          - const: microchip,mcp9601
          - const: microchip,mcp9600

  reg:
    maxItems: 1

  interrupts:
    minItems: 1
    maxItems: 6

  interrupt-names:
    minItems: 1
    maxItems: 6
    items:
      enum:
        - open-circuit
        - short-circuit
        - alert1
        - alert2
        - alert3
        - alert4

  thermocouple-type:
    $ref: /schemas/types.yaml#/definitions/uint32
    default: 3
    description:
      Type of thermocouple (THERMOCOUPLE_TYPE_K if omitted).
      Use defines in dt-bindings/iio/temperature/thermocouple.h.
      Supported types are B, E, J, K, N, R, S, T.

  microchip,vsense:
    type: boolean
    description:
      This flag indicates that the chip has been wired with VSENSE to
      enable open and short circuit detect.

  vdd-supply: true

allOf:
  - if:
      properties:
        compatible:
          not:
            contains:
              const: microchip,mcp9601
    then:
      properties:
        interrupts:
          minItems: 1
          maxItems: 4
        interrupt-names:
          minItems: 1
          maxItems: 4
          items:
            enum:
              - alert1
              - alert2
              - alert3
              - alert4
        microchip,vsense: false

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    #include <dt-bindings/iio/temperature/thermocouple.h>
    #include <dt-bindings/interrupt-controller/irq.h>
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;

        temperature-sensor@60 {
            compatible = "microchip,mcp9600";
            reg = <0x60>;
            interrupt-parent = <&gpio>;
            interrupts = <25 IRQ_TYPE_EDGE_RISING>;
            interrupt-names = "alert1";
            thermocouple-type = <THERMOCOUPLE_TYPE_K>;
            vdd-supply = <&vdd>;
        };
    };
  - |
    #include <dt-bindings/interrupt-controller/irq.h>
    i2c {
        #address-cells = <1>;
        #size-cells = <0>;

        temperature-sensor@62 {
            compatible = "microchip,mcp9601", "microchip,mcp9600";
            reg = <0x62>;
            interrupt-parent = <&gpio>;
            interrupts = <22 IRQ_TYPE_EDGE_RISING>, <23 IRQ_TYPE_EDGE_RISING>;
            interrupt-names = "open-circuit", "short-circuit";
            vdd-supply = <&vdd>;
            microchip,vsense;
        };
    };