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dt-bindings:iio:temperature:maxim,max31856 yaml conversion.
Simple txt to yaml conversion of this binding.
Paresh Chaudhary's email is bouncing so for now I've listed
myself as maintainer.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201031134110.724233-28-jic23@kernel.org
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Documentation/devicetree/bindings/iio/temperature/max31856.txt
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Documentation/devicetree/bindings/iio/temperature/max31856.txt
···
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Maxim MAX31856 thermocouple support
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-
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https://datasheets.maximintegrated.com/en/ds/MAX31856.pdf
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-
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Optional property:
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- thermocouple-type: Type of thermocouple (THERMOCOUPLE_TYPE_K if
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omitted). Supported types are B, E, J, K, N, R, S, T.
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Required properties:
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- compatible: must be "maxim,max31856"
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- reg: SPI chip select number for the device
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- spi-max-frequency: As per datasheet max. supported freq is 5000000
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- spi-cpha: must be defined for max31856 to enable SPI mode 1
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Refer to spi/spi-bus.txt for generic SPI slave bindings.
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Example:
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temp-sensor@0 {
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compatible = "maxim,max31856";
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reg = <0>;
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spi-max-frequency = <5000000>;
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spi-cpha;
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thermocouple-type = <THERMOCOUPLE_TYPE_K>;
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};
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Documentation/devicetree/bindings/iio/temperature/maxim,max31856.yaml
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Documentation/devicetree/bindings/iio/temperature/maxim,max31856.yaml
···
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/iio/temperature/maxim,max31856.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Maxim MAX31856 thermocouple support
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maintainers:
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- Jonathan Cameron <jic23@kernel.org>
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description: |
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https://datasheets.maximintegrated.com/en/ds/MAX31856.pdf
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properties:
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compatible:
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const: maxim,max31856
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reg:
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maxItems: 1
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spi-max-frequency: true
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spi-cpha: true
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thermocouple-type:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Type of thermocouple (THERMOCOUPLE_TYPE_K if omitted).
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Use defines in dt-bindings/iio/temperature/thermocouple.h.
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Supported types are B, E, J, K, N, R, S, T.
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required:
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- compatible
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- reg
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- spi-cpha
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/iio/temperature/thermocouple.h>
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spi {
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#address-cells = <1>;
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#size-cells = <0>;
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temp-sensor@0 {
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compatible = "maxim,max31856";
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reg = <0>;
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spi-max-frequency = <5000000>;
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spi-cpha;
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thermocouple-type = <THERMOCOUPLE_TYPE_K>;
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};
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};
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...