Unverified Commit 29e87c4f authored by Lukasz Majewski's avatar Lukasz Majewski Committed by Mark Brown
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doc: dts: Add device tree information regarding wm8940 codec 



This commit provides documentation entry for wm8940 codec.

Signed-off-by: default avatarLukasz Majewski <lukma@denx.de>
Acked-by: default avatarCharles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220509121313.31216-1-lukma@denx.de


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 17770e66

Documentation/devicetree/bindings/sound/wlf,wm8940.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/sound/wlf,wm8940.yaml#

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



title: Wolfson WM8940 Codec Device Tree Bindings



maintainers:

  - patches@opensource.cirrus.com



properties:

  '#sound-dai-cells':

    const: 0



  compatible:

    const: wlf,wm8940



  reg:

    maxItems: 1



  spi-max-frequency:

    maximum: 526000



required:

  - '#sound-dai-cells'

  - compatible

  - reg



additionalProperties: false



examples:

  - |

    spi {

        #address-cells = <1>;

        #size-cells = <0>;



        codec@0 {

            #sound-dai-cells = <0>;

            compatible = "wlf,wm8940";

            reg = <0>;

            spi-max-frequency = <500000>;

        };

    };

  - |

    i2c {

        #address-cells = <1>;

        #size-cells = <0>;



        codec@1a {

            #sound-dai-cells = <0>;

            compatible = "wlf,wm8940";

            reg = <0x1a>;

        };

    };



...