Unverified Commit 70ba14cf authored by Vincent Knecht's avatar Vincent Knecht Committed by Mark Brown
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ASoC: dt-bindings: codecs: Add bindings for ak4375 



AK4375 is an audio DAC with headphones amplifier controlled via I2C.
Add simple device tree bindings that describe how to set it up.

Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarVincent Knecht <vincent.knecht@mailoo.org>
Link: https://lore.kernel.org/r/20211220193725.2650356-1-vincent.knecht@mailoo.org


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 5de035c2

Documentation/devicetree/bindings/sound/ak4375.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/sound/ak4375.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: AK4375 DAC and headphones amplifier Device Tree Bindings



maintainers:

  - Vincent Knecht <vincent.knecht@mailoo.org>



properties:

  compatible:

    const: asahi-kasei,ak4375



  reg:

    maxItems: 1



  '#sound-dai-cells':

    const: 0



  avdd-supply:

    description: regulator phandle for the AVDD power supply.



  tvdd-supply:

    description: regulator phandle for the TVDD power supply.



  pdn-gpios:

    description: optional GPIO to set the PDN pin.



required:

  - compatible

  - reg

  - '#sound-dai-cells'

  - avdd-supply

  - tvdd-supply



additionalProperties: false



examples:

  - |

    #include <dt-bindings/gpio/gpio.h>

    i2c {

      #address-cells = <1>;

      #size-cells = <0>;



      headphones: audio-codec@10 {

        compatible = "asahi-kasei,ak4375";

        reg = <0x10>;

        avdd-supply = <&reg_headphones_avdd>;

        tvdd-supply = <&pm8916_l6>;

        pdn-gpios = <&msmgpio 114 GPIO_ACTIVE_HIGH>;

        pinctrl-names = "default";

        pinctrl-0 = <&headphones_pdn_default>;

        #sound-dai-cells = <0>;

      };

    };