Commit f21a5f72 authored by Jonathan Cameron's avatar Jonathan Cameron
Browse files

dt-bindings: iio: dac: microchip,mcp4922: Add missing binding document 



Simple binding for this family of microchip DACs.

Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Michael Welling <mwelling@ieee.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Acked-by: default avatarNuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20210627163244.1090296-16-jic23@kernel.org
parent 906b0043

Documentation/devicetree/bindings/iio/dac/microchip,mcp4922.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/iio/dac/microchip,mcp4922.yaml#

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



title: Microchip MCP4902, MCP4912 and MPC4922 dual output SPI DACs



maintainers:

  - Jonathan Cameron <jic23@kernel.org>

  - Michael Welling <mwelling@ieee.org>



properties:

  compatible:

    enum:

      - microchip,mcp4902

      - microchip,mcp4912

      - microchip,mcp4922



  reg:

    maxItems: 1



  spi-max-frequency: true



  vref-supply: true



additionalProperties: false



required:

  - compatible

  - reg

  - vref-supply



examples:

  - |

    spi {

        #address-cells = <1>;

        #size-cells = <0>;



        dac@0 {

            compatible = "microchip,mcp4912";

            reg = <0>;

            vref-supply = <&dac_vref>;

        };

    };

...