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   spi-max-frequency: true
  36
  37   AVDD-supply:
  38     description: Analog power support for the device.
  39
  40   DVDD-supply:
  41     description: Supply voltage for digital core.
  42
  43   adi,micbias:
  44     description: |
  45       Configures the voltage setting for the MICBIAS pin.
  46     $ref: /schemas/types.yaml#/definitions/uint32
  47     enum: [0, 1, 2, 3, 4, 5, 6, 7, 8]
  48     default: 7
  49
  50 required:
  51   - reg
  52   - compatible
  53   - AVDD-supply
  54
  55 additionalProperties: false
  56
  57 examples:
  58   - |
  59     #include <dt-bindings/gpio/gpio.h>
  60
  61     spi {
  62         #address-cells = <1>;
  63         #size-cells = <0>;
  64         adau1977_spi: adau1977@0 {
  65             compatible = "adi,adau1977";
  66             reg = <0>;
  67             spi-max-frequency = <600000>;
  68
  69             AVDD-supply = <&regulator>;
  70             DVDD-supply = <&regulator_digital>;
  71
  72             reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
  73
  74             adi,micbias = <3>;
  75         };
  76     };
  77   - |
  78     #include <dt-bindings/gpio/gpio.h>
  79
  80     i2c {
  81         #address-cells = <1>;
  82         #size-cells = <0>;
  83         adau1977_i2c: adau1977@11 {
  84             compatible = "adi,adau1977";
  85             reg = <0x11>;
  86
  87             AVDD-supply = <&regulator>;
  88             DVDD-supply = <&regulator_digital>;
  89
  90             reset-gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
  91         };
  92     };