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 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Analog Devices AD7292 10-Bit Monitor and Control System
   8
   9 maintainers:
  10   - Marcelo Schmitt <marcelo.schmitt1@gmail.com>
  11
  12 description: |
  13   Analog Devices AD7292 10-Bit Monitor and Control System with ADC, DACs,
  14   Temperature Sensor, and GPIOs
  15
  16   Specifications about the part can be found at:
  17     https://www.analog.com/media/en/technical-documentation/data-sheets/ad7292.pdf
  18
  19 properties:
  20   compatible:
  21     enum:
  22       - adi,ad7292
  23
  24   reg:
  25     maxItems: 1
  26
  27   vref-supply:
  28     description: |
  29       The regulator supply for ADC and DAC reference voltage.
  30
  31   spi-cpha: true
  32
  33   '#address-cells':
  34     const: 1
  35
  36   '#size-cells':
  37     const: 0
  38
  39 required:
  40   - compatible
  41   - reg
  42   - spi-cpha
  43
  44 patternProperties:
  45   "^channel@[0-7]$":
  46     $ref: adc.yaml
  47     type: object
  48     description: |
  49       Represents the external channels which are connected to the ADC.
  50
  51     properties:
  52       reg:
  53         description: |
  54           The channel number. It can have up to 8 channels numbered from 0 to 7.
  55         items:
  56           - minimum: 0
  57             maximum: 7
  58
  59       diff-channels: true
  60
  61     required:
  62       - reg
  63
  64     additionalProperties: true
  65
  66 allOf:
  67   - $ref: /schemas/spi/spi-peripheral-props.yaml#
  68
  69 unevaluatedProperties: false
  70
  71 examples:
  72   - |
  73     spi {
  74       #address-cells = <1>;
  75       #size-cells = <0>;
  76
  77       ad7292: adc@0 {
  78         compatible = "adi,ad7292";
  79         reg = <0>;
  80         spi-max-frequency = <25000000>;
  81         vref-supply = <&adc_vref>;
  82         spi-cpha;
  83
  84         #address-cells = <1>;
  85         #size-cells = <0>;
  86
  87         channel@0 {
  88           reg = <0>;
  89           diff-channels = <0 1>;
  90         };
  91         channel@2 {
  92           reg = <2>;
  93         };
  94         channel@3 {
  95           reg = <3>;
  96         };
  97         channel@4 {
  98           reg = <4>;
  99         };
 100         channel@5 {
 101           reg = <5>;
 102         };
 103         channel@6 {
 104           reg = <6>;
 105         };
 106         channel@7 {
 107           reg = <7>;
 108         };
 109       };
 110     };