Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/iio/adc/adi,ad7292.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Analog Devices AD7292 10-Bit Monitor and Control System
   8
   9 maintainers:
  10   - Marcelo Schmitt <marcelo.schmitt1@gmail.com>
  11
  12 description: |
  13   Analog Devices AD7292 10-Bit Monitor and Control System with ADC, DACs,
  14   Temperature Sensor, and GPIOs
  15
  16   Specifications about the part can be found at:
  17     https://www.analog.com/media/en/technical-documentation/data-sheets/ad7292.pdf
  18
  19 properties:
  20   compatible:
  21     enum:
  22       - adi,ad7292
  23
  24   reg:
  25     maxItems: 1
  26
  27   vref-supply:
  28     description: |
  29       The regulator supply for ADC and DAC reference voltage.
  30
  31   spi-cpha: true
  32
  33   spi-max-frequency: true
  34
  35   '#address-cells':
  36     const: 1
  37
  38   '#size-cells':
  39     const: 0
  40
  41 required:
  42   - compatible
  43   - reg
  44   - spi-cpha
  45
  46 patternProperties:
  47   "^channel@[0-7]$":
  48     $ref: "adc.yaml"
  49     type: object
  50     description: |
  51       Represents the external channels which are connected to the ADC.
  52
  53     properties:
  54       reg:
  55         description: |
  56           The channel number. It can have up to 8 channels numbered from 0 to 7.
  57         items:
  58           - minimum: 0
  59             maximum: 7
  60
  61       diff-channels: true
  62
  63     required:
  64       - reg
  65
  66     additionalProperties: true
  67
  68 additionalProperties: false
  69
  70 examples:
  71   - |
  72     spi {
  73       #address-cells = <1>;
  74       #size-cells = <0>;
  75
  76       ad7292: adc@0 {
  77         compatible = "adi,ad7292";
  78         reg = <0>;
  79         spi-max-frequency = <25000000>;
  80         vref-supply = <&adc_vref>;
  81         spi-cpha;
  82
  83         #address-cells = <1>;
  84         #size-cells = <0>;
  85
  86         channel@0 {
  87           reg = <0>;
  88           diff-channels = <0 1>;
  89         };
  90         channel@2 {
  91           reg = <2>;
  92         };
  93         channel@3 {
  94           reg = <3>;
  95         };
  96         channel@4 {
  97           reg = <4>;
  98         };
  99         channel@5 {
 100           reg = <5>;
 101         };
 102         channel@6 {
 103           reg = <6>;
 104         };
 105         channel@7 {
 106           reg = <7>;
 107         };
 108       };
 109     };