1*13f212e1SLucas Stankus# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*13f212e1SLucas Stankus%YAML 1.2 3*13f212e1SLucas Stankus--- 4*13f212e1SLucas Stankus$id: http://devicetree.org/schemas/iio/cdc/adi,ad7746.yaml# 5*13f212e1SLucas Stankus$schema: http://devicetree.org/meta-schemas/core.yaml# 6*13f212e1SLucas Stankus 7*13f212e1SLucas Stankustitle: AD7746 24-Bit Capacitance-to-Digital Converter with Temperature Sensor 8*13f212e1SLucas Stankus 9*13f212e1SLucas Stankusmaintainers: 10*13f212e1SLucas Stankus - Michael Hennerich <michael.hennerich@analog.com> 11*13f212e1SLucas Stankus 12*13f212e1SLucas Stankusdescription: | 13*13f212e1SLucas Stankus AD7746 24-Bit Capacitance-to-Digital Converter with Temperature Sensor 14*13f212e1SLucas Stankus 15*13f212e1SLucas Stankus Specifications about the part can be found at: 16*13f212e1SLucas Stankus https://www.analog.com/media/en/technical-documentation/data-sheets/ad7291.pdf 17*13f212e1SLucas Stankus 18*13f212e1SLucas Stankusproperties: 19*13f212e1SLucas Stankus compatible: 20*13f212e1SLucas Stankus enum: 21*13f212e1SLucas Stankus - adi,ad7745 22*13f212e1SLucas Stankus - adi,ad7746 23*13f212e1SLucas Stankus - adi,ad7747 24*13f212e1SLucas Stankus 25*13f212e1SLucas Stankus reg: 26*13f212e1SLucas Stankus maxItems: 1 27*13f212e1SLucas Stankus 28*13f212e1SLucas Stankus adi,excitation-vdd-permille: 29*13f212e1SLucas Stankus description: | 30*13f212e1SLucas Stankus Set VDD per mille to be used as the excitation voltage. 31*13f212e1SLucas Stankus $ref: /schemas/types.yaml#/definitions/uint32 32*13f212e1SLucas Stankus enum: [125, 250, 375, 500] 33*13f212e1SLucas Stankus 34*13f212e1SLucas Stankus adi,exca-output-en: 35*13f212e1SLucas Stankus description: Enables the EXCA pin as the excitation output. 36*13f212e1SLucas Stankus type: boolean 37*13f212e1SLucas Stankus 38*13f212e1SLucas Stankus adi,exca-output-invert: 39*13f212e1SLucas Stankus description: | 40*13f212e1SLucas Stankus Inverts the excitation output in the EXCA pin. 41*13f212e1SLucas Stankus Normally only one of the EXCX pins would be inverted, check the following 42*13f212e1SLucas Stankus application notes for more details 43*13f212e1SLucas Stankus https://www.analog.com/media/en/technical-documentation/application-notes/AN-1585.pdf 44*13f212e1SLucas Stankus type: boolean 45*13f212e1SLucas Stankus 46*13f212e1SLucas Stankus adi,excb-output-en: 47*13f212e1SLucas Stankus description: Enables the EXCB pin as the excitation output. 48*13f212e1SLucas Stankus type: boolean 49*13f212e1SLucas Stankus 50*13f212e1SLucas Stankus adi,excb-output-invert: 51*13f212e1SLucas Stankus description: Inverts the excitation output in the EXCB pin. 52*13f212e1SLucas Stankus type: boolean 53*13f212e1SLucas Stankus 54*13f212e1SLucas Stankusrequired: 55*13f212e1SLucas Stankus - compatible 56*13f212e1SLucas Stankus - reg 57*13f212e1SLucas Stankus 58*13f212e1SLucas StankusadditionalProperties: false 59*13f212e1SLucas Stankus 60*13f212e1SLucas Stankusexamples: 61*13f212e1SLucas Stankus - | 62*13f212e1SLucas Stankus i2c { 63*13f212e1SLucas Stankus #address-cells = <1>; 64*13f212e1SLucas Stankus #size-cells = <0>; 65*13f212e1SLucas Stankus 66*13f212e1SLucas Stankus ad7746: cdc@48 { 67*13f212e1SLucas Stankus compatible = "adi,ad7746"; 68*13f212e1SLucas Stankus reg = <0x48>; 69*13f212e1SLucas Stankus adi,excitation-vdd-permille = <125>; 70*13f212e1SLucas Stankus 71*13f212e1SLucas Stankus adi,exca-output-en; 72*13f212e1SLucas Stankus adi,exca-output-invert; 73*13f212e1SLucas Stankus adi,excb-output-en; 74*13f212e1SLucas Stankus adi,excb-output-invert; 75*13f212e1SLucas Stankus }; 76*13f212e1SLucas Stankus }; 77*13f212e1SLucas Stankus... 78