Documentation/devicetree/bindings/sound/adi,adau1977.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/sound/adi,adau1977.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Analog Devices ADAU1977/ADAU1978/ADAU1979 Quad ADC with Diagnostics
   8
   9 maintainers:
  10   - Lars-Peter Clausen <lars@metafoo.de>
  11   - Bogdan Togorean <bogdan.togorean@analog.com>
  12
  13 description: |
  14   Analog Devices ADAU1977 and similar quad ADC with Diagnostics
  15   https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1977.pdf
  16   https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1978.pdf
  17   https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1979.pdf
  18
  19 properties:
  20   compatible:
  21     enum:
  22       - adi,adau1977
  23       - adi,adau1978
  24       - adi,adau1979
  25
  26   reg:
  27     maxItems: 1
  28
  29   "#sound-dai-cells":
  30     const: 0
  31
  32   reset-gpios:
  33     maxItems: 1
  34
  35   AVDD-supply:
  36     description: Analog power support for the device.
  37
  38   DVDD-supply:
  39     description: Supply voltage for digital core.
  40
  41   adi,micbias:
  42     description: |
  43       Configures the voltage setting for the MICBIAS pin.
  44     $ref: /schemas/types.yaml#/definitions/uint32
  45     enum: [0, 1, 2, 3, 4, 5, 6, 7, 8]
  46     default: 7
  47
  48 required:
  49   - reg
  50   - compatible
  51   - AVDD-supply
  52
  53 allOf:
  54   - $ref: /schemas/spi/spi-peripheral-props.yaml#
  55
  56 unevaluatedProperties: false
  57
  58 examples:
  59   - |
  60     #include <dt-bindings/gpio/gpio.h>
  61
  62     spi {
  63         #address-cells = <1>;
  64         #size-cells = <0>;
  65         adau1977_spi: adau1977@0 {
  66             compatible = "adi,adau1977";
  67             reg = <0>;
  68             spi-max-frequency = <600000>;
  69
  70             AVDD-supply = <&regulator>;
  71             DVDD-supply = <&regulator_digital>;
  72
  73             reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
  74
  75             adi,micbias = <3>;
  76         };
  77     };
  78   - |
  79     #include <dt-bindings/gpio/gpio.h>
  80
  81     i2c {
  82         #address-cells = <1>;
  83         #size-cells = <0>;
  84         adau1977_i2c: adau1977@11 {
  85             compatible = "adi,adau1977";
  86             reg = <0x11>;
  87
  88             AVDD-supply = <&regulator>;
  89             DVDD-supply = <&regulator_digital>;
  90
  91             reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
  92         };
  93     };