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     type: object
  47     description: |
  48       Represents the external channels which are connected to the ADC.
  49       See Documentation/devicetree/bindings/iio/adc/adc.txt.
  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:
  60         description: see Documentation/devicetree/bindings/iio/adc/adc.txt
  61         maxItems: 1
  62
  63     required:
  64       - reg
  65
  66 examples:
  67   - |
  68     spi {
  69       #address-cells = <1>;
  70       #size-cells = <0>;
  71
  72       ad7292: adc@0 {
  73         compatible = "adi,ad7292";
  74         reg = <0>;
  75         spi-max-frequency = <25000000>;
  76         vref-supply = <&adc_vref>;
  77         spi-cpha;
  78
  79         #address-cells = <1>;
  80         #size-cells = <0>;
  81
  82         channel@0 {
  83           reg = <0>;
  84           diff-channels = <0 1>;
  85         };
  86         channel@2 {
  87           reg = <2>;
  88         };
  89         channel@3 {
  90           reg = <3>;
  91         };
  92         channel@4 {
  93           reg = <4>;
  94         };
  95         channel@5 {
  96           reg = <5>;
  97         };
  98         channel@6 {
  99           reg = <6>;
 100         };
 101         channel@7 {
 102           reg = <7>;
 103         };
 104       };
 105     };