adi,ad7746.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/iio/cdc/adi,ad7746.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: AD7746 24-Bit Capacitance-to-Digital Converter with Temperature Sensor
    8 
    9 maintainers:
   10   - Michael Hennerich <michael.hennerich@analog.com>
   11 
   12 description: |
   13   AD7746 24-Bit Capacitance-to-Digital Converter with Temperature Sensor
   14 
   15   Specifications about the part can be found at:
   16   https://www.analog.com/media/en/technical-documentation/data-sheets/ad7291.pdf
   17 
   18 properties:
   19   compatible:
   20     enum:
   21       - adi,ad7745
   22       - adi,ad7746
   23       - adi,ad7747
   24 
   25   reg:
   26     maxItems: 1
   27 
   28   adi,excitation-vdd-permille:
   29     description: |
   30       Set VDD per mille to be used as the excitation voltage.
   31     $ref: /schemas/types.yaml#/definitions/uint32
   32     enum: [125, 250, 375, 500]
   33 
   34   adi,exca-output-en:
   35     description: Enables the EXCA pin as the excitation output.
   36     type: boolean
   37 
   38   adi,exca-output-invert:
   39     description: |
   40       Inverts the excitation output in the EXCA pin.
   41       Normally only one of the EXCX pins would be inverted, check the following
   42       application notes for more details
   43       https://www.analog.com/media/en/technical-documentation/application-notes/AN-1585.pdf
   44     type: boolean
   45 
   46   adi,excb-output-en:
   47     description: Enables the EXCB pin as the excitation output.
   48     type: boolean
   49 
   50   adi,excb-output-invert:
   51     description: Inverts the excitation output in the EXCB pin.
   52     type: boolean
   53 
   54 required:
   55   - compatible
   56   - reg
   57 
   58 additionalProperties: false
   59 
   60 examples:
   61   - |
   62     i2c {
   63       #address-cells = <1>;
   64       #size-cells = <0>;
   65 
   66       ad7746: cdc@48 {
   67         compatible = "adi,ad7746";
   68         reg = <0x48>;
   69         adi,excitation-vdd-permille = <125>;
   70 
   71         adi,exca-output-en;
   72         adi,exca-output-invert;
   73         adi,excb-output-en;
   74         adi,excb-output-invert;
   75       };
   76     };
   77 ...

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sys/contrib/device-tree/Bindings/iio/cdc/adi,ad7746.yaml