Commit 818ede05 authored by Jonathan Cameron's avatar Jonathan Cameron
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dt-bindings:iio:potentiometer:microchip,mcp41010 txt to yaml conversion 



A simple binding that I almost just move to trivial devices.
The small amount of additional documentation and relatively large number
of compatible entries convinced me to suggest we keep this one separately
documented.

Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Cc: Chris Coffey <cmc@babblebit.net>
Link: https://lore.kernel.org/r/20201031184854.745828-5-jic23@kernel.org
parent 05c6330c

Documentation/devicetree/bindings/iio/potentiometer/mcp41010.txt

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* Microchip MCP41010/41050/41100/42010/42050/42100 Digital Potentiometer



Datasheet publicly available at:

https://ww1.microchip.com/downloads/en/devicedoc/11195c.pdf



The node for this driver must be a child node of a SPI controller, hence

all mandatory properties described in



        Documentation/devicetree/bindings/spi/spi-bus.txt



must be specified.



Required properties:

	- compatible:  	Must be one of the following, depending on the

			model:

			"microchip,mcp41010"

			"microchip,mcp41050"

			"microchip,mcp41100"

			"microchip,mcp42010"

			"microchip,mcp42050"

			"microchip,mcp42100"



Example:

potentiometer@0 {

	compatible = "microchip,mcp41010";

	reg = <0>;

	spi-max-frequency = <500000>;

};

Documentation/devicetree/bindings/iio/potentiometer/microchip,mcp41010.yaml

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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/iio/potentiometer/microchip,mcp41010.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Microchip MCP41010/41050/41100/42010/42050/42100 Digital Potentiometer



maintainers:

  - Chris Coffey <cmc@babblebit.net>



description: |

  Datasheet: https://ww1.microchip.com/downloads/en/devicedoc/11195c.pdf



properties:

  compatible:

    enum:

      - microchip,mcp41010

      - microchip,mcp41050

      - microchip,mcp41100

      - microchip,mcp42010

      - microchip,mcp42050

      - microchip,mcp42100



  reg:

    maxItems: 1



  spi-max-frequency: true



additionalProperties: false



required:

  - compatible

  - reg



examples:

  - |

    spi {

        #address-cells = <1>;

        #size-cells = <0>;



        potentiometer@0 {

            compatible = "microchip,mcp41010";

            reg = <0>;

            spi-max-frequency = <500000>;

        };

    };

...