Bindings/sound/maxim,max98357a.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/maxim,max98357a.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Maxim Integrated MAX98357A/MAX98360A amplifier
   8
   9 maintainers:
  10   - Tzung-Bi Shih <tzungbi@kernel.org>
  11
  12 description:
  13   Maxim Integrated MAX98357A/MAX98360A is a digital pulse-code modulation (PCM)
  14   input Class D amplifier.
  15
  16 allOf:
  17   - $ref: dai-common.yaml#
  18
  19 properties:
  20   compatible:
  21     enum:
  22       - maxim,max98357a
  23       - maxim,max98360a
  24
  25   '#sound-dai-cells':
  26     const: 0
  27
  28   sdmode-gpios:
  29     maxItems: 1
  30     description:
  31       Chip's SD_MODE pin.  If missing the chip is always on.
  32
  33   sdmode-delay:
  34     $ref: /schemas/types.yaml#/definitions/uint32
  35     description:
  36       Delay time for SD_MODE pin changes intended to make I2S clocks ready
  37       before SD_MODE is unmuted in order to avoid the speaker pop noise.
  38
  39 required:
  40   - compatible
  41
  42 unevaluatedProperties: false
  43
  44 examples:
  45   - |
  46     #include <dt-bindings/gpio/gpio.h>
  47
  48     amplifier {
  49         compatible = "maxim,max98360a";
  50         #sound-dai-cells = <0>;
  51         sdmode-gpios = <&qcom_pinmux 25 GPIO_ACTIVE_HIGH>;
  52     };