Documentation/devicetree/bindings/iio/adc/microchip,mcp3201.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/microchip,mcp3201.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Microchip mcp3201 and similar ADCs
   8
   9 maintainers:
  10   - Oskar Andero <oskar.andero@gmail.com>
  11
  12 description: |
  13    Family of simple ADCs with a SPI interface.
  14
  15 properties:
  16   compatible:
  17     enum:
  18       - microchip,mcp3001
  19       - microchip,mcp3002
  20       - microchip,mcp3004
  21       - microchip,mcp3008
  22       - microchip,mcp3201
  23       - microchip,mcp3202
  24       - microchip,mcp3204
  25       - microchip,mcp3208
  26       - microchip,mcp3301
  27       - microchip,mcp3550-50
  28       - microchip,mcp3550-60
  29       - microchip,mcp3551
  30       - microchip,mcp3553
  31
  32   reg:
  33     maxItems: 1
  34
  35   spi-cpha: true
  36   spi-cpol: true
  37
  38   vref-supply:
  39     description: External reference.
  40
  41   "#io-channel-cells":
  42     const: 1
  43
  44 dependencies:
  45   spi-cpol: [ spi-cpha ]
  46   spi-cpha: [ spi-cpol ]
  47
  48 required:
  49   - compatible
  50   - reg
  51   - vref-supply
  52
  53 allOf:
  54   - $ref: /schemas/spi/spi-peripheral-props.yaml#
  55
  56 unevaluatedProperties: false
  57
  58 examples:
  59   - |
  60     spi {
  61         #address-cells = <1>;
  62         #size-cells = <0>;
  63
  64         adc@0 {
  65             compatible = "microchip,mcp3002";
  66             reg = <0>;
  67             vref-supply = <&vref_reg>;
  68             spi-cpha;
  69             spi-cpol;
  70             #io-channel-cells = <1>;
  71         };
  72         adc@1 {
  73             compatible = "microchip,mcp3002";
  74             reg = <1>;
  75             vref-supply = <&vref_reg>;
  76             spi-max-frequency = <1500000>;
  77         };
  78     };
  79 ...