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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/iio/adc/adi,ad7949.yaml
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# SPDX-License-Identifier: GPL-2.0

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/iio/adc/adi,ad7949.yaml#

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

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title: Analog Devices AD7949/AD7682/AD7689 analog to digital converters

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maintainers:

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  - Charles-Antoine Couret <charles-antoine.couret@essensium.com>

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description: |

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  Specifications on the converters can be found at:

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    AD7949:

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      https://www.analog.com/media/en/technical-documentation/data-sheets/AD7949.pdf

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    AD7682/AD7698:

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      https://www.analog.com/media/en/technical-documentation/data-sheets/AD7682_7689.pdf

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properties:

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  compatible:

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    enum:

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      - adi,ad7682

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      - adi,ad7689

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      - adi,ad7949

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  reg:

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    maxItems: 1

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  vrefin-supply:

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    description:

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      Buffered ADC reference voltage supply.

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  vref-supply:

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    description:

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      Unbuffered ADC reference voltage supply.

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  adi,internal-ref-microvolt:

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    description: |

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      Internal reference voltage selection in microvolts.

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      If no internal reference is specified, the channel will default to the

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      external reference defined by vrefin-supply (or vref-supply).

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      vrefin-supply will take precedence over vref-supply if both are defined.

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      If no supplies are defined, the reference selection will default to

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      4096mV internal reference.

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    enum: [2500000, 4096000]

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    default: 4096000

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  '#io-channel-cells':

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    const: 1

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  '#address-cells':

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    const: 1

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  '#size-cells':

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    const: 0

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required:

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  - compatible

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  - reg

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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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        adc@0 {

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            #address-cells = <1>;

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            #size-cells = <0>;

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            compatible = "adi,ad7949";

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            reg = <0>;

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            vref-supply = <&vdd_supply>;

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        };

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        adc@1 {

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            #address-cells = <1>;

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            #size-cells = <0>;

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            compatible = "adi,ad7949";

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            reg = <1>;

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            vrefin-supply = <&vdd_supply>;

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        };

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        adc@2 {

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            #address-cells = <1>;

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            #size-cells = <0>;

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            compatible = "adi,ad7949";

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            reg = <2>;

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            adi,internal-ref-microvolt = <4096000>;

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        };

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    };

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...

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