| # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/iio/temperature/maxim,max31856.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Maxim MAX31856 thermocouple support |
| |
| maintainers: |
| - Jonathan Cameron <jic23@kernel.org> |
| |
| description: | |
| https://datasheets.maximintegrated.com/en/ds/MAX31856.pdf |
| |
| properties: |
| compatible: |
| const: maxim,max31856 |
| |
| reg: |
| maxItems: 1 |
| |
| spi-max-frequency: true |
| spi-cpha: true |
| |
| thermocouple-type: |
| $ref: /schemas/types.yaml#/definitions/uint32 |
| 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. |
| |
| required: |
| - compatible |
| - reg |
| - spi-cpha |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/iio/temperature/thermocouple.h> |
| spi { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| temp-sensor@0 { |
| compatible = "maxim,max31856"; |
| reg = <0>; |
| spi-max-frequency = <5000000>; |
| spi-cpha; |
| thermocouple-type = <THERMOCOUPLE_TYPE_K>; |
| }; |
| }; |
| ... |
