Documentation/devicetree/bindings/iio/adc/maxim,max1118.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/iio/adc/maxim,max1118.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Maxim MAX1118 and similar ADCs
   8
   9 maintainers:
  10   - Akinobu Mita <akinobu.mita@gmail.com>
  11
  12 description: |
  13     Dual channel 8bit ADCs.
  14
  15 properties:
  16   compatible:
  17     enum:
  18       - maxim,max1117
  19       - maxim,max1118
  20       - maxim,max1119
  21
  22   reg:
  23     maxItems: 1
  24
  25   spi-max-frequency:
  26     maximum: 5000000
  27
  28   vref-supply:
  29     description: External reference, needed to establish input scaling
  30
  31 allOf:
  32   - $ref: /schemas/spi/spi-peripheral-props.yaml#
  33   - if:
  34       properties:
  35         compatible:
  36           contains:
  37             const: maxim,max1118
  38     then:
  39       required:
  40         - vref-supply
  41     else:
  42       properties:
  43         vref-supply: false
  44
  45 required:
  46   - compatible
  47   - reg
  48
  49 unevaluatedProperties: false
  50
  51 examples:
  52   - |
  53     spi {
  54         #address-cells = <1>;
  55         #size-cells = <0>;
  56
  57         adc@0 {
  58             compatible = "maxim,max1118";
  59             reg = <0>;
  60             vref-supply = <&adc_vref>;
  61             spi-max-frequency = <1000000>;
  62         };
  63     };
  64 ...