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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/iio/dac/rohm,bd79703.yaml
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

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# Copyright 2024 ROHM Semiconductor.

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/iio/dac/rohm,bd79703.yaml#

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

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title: ROHM BD79700, BD79701, BD79702 and BD79703 DACs

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maintainers:

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  - Matti Vaittinen <mazziesaccount@gmail.com>

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description: |

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  The ROHM BD7970[0,1,2,3] are 8-bit DACs. The BD79700 has 2 channels,

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  BD79701 3 channels, BD79702 4 channels and BD79703 has 6 channels.

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  Datasheets for BD79702 and BD79703 can be found from

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  https://fscdn.rohm.com/en/products/databook/datasheet/ic/data_converter/dac/bd79702fv-lb_bd79703fv-lb-e.pdf

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  and for the BD79700 and the BD79701 from

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  https://fscdn.rohm.com/en/products/databook/datasheet/ic/data_converter/dac/bd79700fvm-lb_bd79701fvm-lb-e.pdf

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properties:

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  compatible:

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    enum:

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      - rohm,bd79700

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      - rohm,bd79701

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      - rohm,bd79702

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      - rohm,bd79703

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  reg:

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    maxItems: 1

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  spi-max-frequency:

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    maximum: 30000000

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  vfs-supply:

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    description:

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      The regulator to use as a full scale voltage. The voltage should be

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      between 2.7V .. VCC. Not present on BD79700 and BD79701.

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  vcc-supply:

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    description:

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      The regulator supplying the operating voltage. Should be between

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      2.7V ... 5.5V. Is used also as a Vfs on BD79700 and BD79701.

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required:

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  - compatible

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  - reg

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  - spi-max-frequency

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  - vcc-supply

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if:

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  properties:

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    compatible:

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      contains:

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        enum:

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          - rohm,bd79702

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          - rohm,bd79703

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then:

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  required:

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    - vfs-supply

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allOf:

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  - $ref: /schemas/spi/spi-peripheral-props.yaml#

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unevaluatedProperties: false

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examples:

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  - |

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    spi {

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        #address-cells = <1>;

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        #size-cells = <0>;

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        dac@0 {

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            compatible = "rohm,bd79703";

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            reg = <0>;

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            spi-max-frequency = <30000000>;

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            vcc-supply = <&vcc>;

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            vfs-supply = <&vref>;

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        };

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    };

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...

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