microchip,mcp9600.yaml

  1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/iio/temperature/microchip,mcp9600.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Microchip MCP9600 and similar thermocouple EMF converters
  8
  9maintainers:
 10  - Andrew Hepp <andrew.hepp@ahepp.dev>
 11
 12description:
 13  https://ww1.microchip.com/downloads/en/DeviceDoc/MCP960X-Data-Sheet-20005426.pdf
 14
 15properties:
 16  compatible:
 17    oneOf:
 18      - const: microchip,mcp9600
 19      - items:
 20          - const: microchip,mcp9601
 21          - const: microchip,mcp9600
 22
 23  reg:
 24    maxItems: 1
 25
 26  interrupts:
 27    minItems: 1
 28    maxItems: 6
 29
 30  interrupt-names:
 31    minItems: 1
 32    maxItems: 6
 33    items:
 34      enum:
 35        - open-circuit
 36        - short-circuit
 37        - alert1
 38        - alert2
 39        - alert3
 40        - alert4
 41
 42  thermocouple-type:
 43    $ref: /schemas/types.yaml#/definitions/uint32
 44    default: 3
 45    description:
 46      Type of thermocouple (THERMOCOUPLE_TYPE_K if omitted).
 47      Use defines in dt-bindings/iio/temperature/thermocouple.h.
 48      Supported types are B, E, J, K, N, R, S, T.
 49
 50  microchip,vsense:
 51    type: boolean
 52    description:
 53      This flag indicates that the chip has been wired with VSENSE to
 54      enable open and short circuit detect.
 55
 56  vdd-supply: true
 57
 58allOf:
 59  - if:
 60      properties:
 61        compatible:
 62          not:
 63            contains:
 64              const: microchip,mcp9601
 65    then:
 66      properties:
 67        interrupts:
 68          minItems: 1
 69          maxItems: 4
 70        interrupt-names:
 71          minItems: 1
 72          maxItems: 4
 73          items:
 74            enum:
 75              - alert1
 76              - alert2
 77              - alert3
 78              - alert4
 79        microchip,vsense: false
 80
 81required:
 82  - compatible
 83  - reg
 84
 85additionalProperties: false
 86
 87examples:
 88  - |
 89    #include <dt-bindings/iio/temperature/thermocouple.h>
 90    #include <dt-bindings/interrupt-controller/irq.h>
 91    i2c {
 92        #address-cells = <1>;
 93        #size-cells = <0>;
 94
 95        temperature-sensor@60 {
 96            compatible = "microchip,mcp9600";
 97            reg = <0x60>;
 98            interrupt-parent = <&gpio>;
 99            interrupts = <25 IRQ_TYPE_EDGE_RISING>;
100            interrupt-names = "alert1";
101            thermocouple-type = <THERMOCOUPLE_TYPE_K>;
102            vdd-supply = <&vdd>;
103        };
104    };
105  - |
106    #include <dt-bindings/interrupt-controller/irq.h>
107    i2c {
108        #address-cells = <1>;
109        #size-cells = <0>;
110
111        temperature-sensor@62 {
112            compatible = "microchip,mcp9601", "microchip,mcp9600";
113            reg = <0x62>;
114            interrupt-parent = <&gpio>;
115            interrupts = <22 IRQ_TYPE_EDGE_RISING>, <23 IRQ_TYPE_EDGE_RISING>;
116            interrupt-names = "open-circuit", "short-circuit";
117            vdd-supply = <&vdd>;
118            microchip,vsense;
119        };
120    };