[PATCH 01/54] ASoC: dt-bindings: Add WM8978 Binding

[Rob Herring]

On Wed, Jul 21, 2021 at 04:03:31PM +0200, Maxime Ripard wrote:
> Even though we had the wm8978 driver for some time and a number of
> boards using it already, we never had a binding for it. Let's add it
> based on what the driver expects and the boards are providing.
> 
> Cc: alsa-devel at alsa-project.org
> Cc: devicetree at vger.kernel.org
> Cc: Liam Girdwood <lgirdwood at gmail.com>
> Cc: Mark Brown <broonie at kernel.org>
> Signed-off-by: Maxime Ripard <maxime at cerno.tech>
> ---
>  .../devicetree/bindings/sound/wlf,wm8978.yaml | 58 +++++++++++++++++++
>  1 file changed, 58 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/wlf,wm8978.yaml
> 
> diff --git a/Documentation/devicetree/bindings/sound/wlf,wm8978.yaml b/Documentation/devicetree/bindings/sound/wlf,wm8978.yaml
> new file mode 100644
> index 000000000000..6761380261e3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/wlf,wm8978.yaml
> @@ -0,0 +1,58 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/wlf,wm8978.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Wolfson WM8978 Codec Device Tree Bindings
> +
> +maintainers:
> +  - Mark Brown <broonie at kernel.org>

No one from Wolfson cares about this device?

Otherwise,

Reviewed-by: Rob Herring <robh at kernel.org>

> +
> +properties:
> +  '#sound-dai-cells':
> +    const: 0
> +
> +  compatible:
> +    const: wlf,wm8978
> +
> +  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 at 0 {
> +            #sound-dai-cells = <0>;
> +            compatible = "wlf,wm8978";
> +            reg = <0>;
> +            spi-max-frequency = <500000>;
> +        };
> +    };
> +
> +  - |
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        codec at 0 {
> +            #sound-dai-cells = <0>;
> +            compatible = "wlf,wm8978";
> +            reg = <0>;
> +        };
> +    };
> +
> +...
> -- 
> 2.31.1
> 
>