adi,max98396.yaml

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    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,max98396.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Analog Devices MAX98396 Speaker Amplifier Device Tree Bindings
    8 
    9 maintainers:
   10   - Ryan Lee <ryans.lee@analog.com>
   11 
   12 description:
   13   The MAX98396 is a mono Class-DG speaker amplifier with I/V sense.
   14   The device provides a PCM interface for audio data and a standard
   15   I2C interface for control data communication.
   16   The MAX98397 is a variant of MAX98396 with wide input supply range.
   17 
   18 properties:
   19   compatible:
   20     enum:
   21       - adi,max98396
   22       - adi,max98397
   23   reg:
   24     maxItems: 1
   25     description: I2C address of the device.
   26 
   27   avdd-supply:
   28     description: A 1.8V supply that powers up the AVDD pin.
   29 
   30   dvdd-supply:
   31     description: A 1.2V supply that powers up the DVDD pin.
   32 
   33   dvddio-supply:
   34     description: A 1.2V or 1.8V supply that powers up the VDDIO pin.
   35 
   36   pvdd-supply:
   37     description: A 3.0V to 20V supply that powers up the PVDD pin.
   38 
   39   vbat-supply:
   40     description: A 3.3V to 5.5V supply that powers up the VBAT pin.
   41 
   42   adi,vmon-slot-no:
   43     description: slot number of the voltage sense monitor
   44     $ref: "/schemas/types.yaml#/definitions/uint32"
   45     minimum: 0
   46     maximum: 15
   47     default: 0
   48 
   49   adi,imon-slot-no:
   50     description: slot number of the current sense monitor
   51     $ref: "/schemas/types.yaml#/definitions/uint32"
   52     minimum: 0
   53     maximum: 15
   54     default: 1
   55 
   56   adi,spkfb-slot-no:
   57     description: slot number of speaker DSP monitor
   58     $ref: "/schemas/types.yaml#/definitions/uint32"
   59     minimum: 0
   60     maximum: 15
   61     default: 2
   62 
   63   adi,bypass-slot-no:
   64     description:
   65       Selects the PCM data input channel that is routed to the speaker
   66       audio processing bypass path.
   67     $ref: "/schemas/types.yaml#/definitions/uint32"
   68     minimum: 0
   69     maximum: 15
   70     default: 0
   71 
   72   adi,interleave-mode:
   73     description:
   74       For cases where a single combined channel for the I/V sense data
   75       is not sufficient, the device can also be configured to share
   76       a single data output channel on alternating frames.
   77       In this configuration, the current and voltage data will be frame
   78       interleaved on a single output channel.
   79     type: boolean
   80 
   81   reset-gpios:
   82     maxItems: 1
   83 
   84 required:
   85   - compatible
   86   - reg
   87 
   88 additionalProperties: false
   89 
   90 examples:
   91   - |
   92     #include <dt-bindings/gpio/gpio.h>
   93     i2c {
   94         #address-cells = <1>;
   95         #size-cells = <0>;
   96         max98396: amplifier@39 {
   97             compatible = "adi,max98396";
   98             reg = <0x39>;
   99             dvdd-supply = <&regulator_1v2>;
  100             dvddio-supply = <&regulator_1v8>;
  101             avdd-supply = <&regulator_1v8>;
  102             pvdd-supply = <&regulator_pvdd>;
  103             adi,vmon-slot-no = <0>;
  104             adi,imon-slot-no = <1>;
  105             reset-gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
  106         };
  107     };

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