1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 $id: http://devicetree.org/schemas/iio/cdc/adi,ad7746.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: AD7746 24-Bit Capacitance-to-Digital Converter with Temperature Sensor
10 - Michael Hennerich <michael.hennerich@analog.com>
13 AD7746 24-Bit Capacitance-to-Digital Converter with Temperature Sensor
15 Specifications about the part can be found at:
16 https://www.analog.com/media/en/technical-documentation/data-sheets/ad7291.pdf
28 adi,excitation-vdd-permille:
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]
35 description: Enables the EXCA pin as the excitation output.
38 adi,exca-output-invert:
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
47 description: Enables the EXCB pin as the excitation output.
50 adi,excb-output-invert:
51 description: Inverts the excitation output in the EXCB pin.
58 additionalProperties: false
67 compatible = "adi,ad7746";
69 adi,excitation-vdd-permille = <125>;
72 adi,exca-output-invert;
74 adi,excb-output-invert;