[PATCH v3 2/7] dt-bindings: allwinner: add H616 sun4i audio codec binding

[Krzysztof Kozlowski]

On Wed, Oct 23, 2024 at 08:56:58PM +1300, Ryan Walklin wrote:
> The H616 has an audio codec compatible with the sun4i-a10 driver.
> 
> The codec is relatively cut down compared to some of the other Allwinner
> SoCs and only has a single line-out route (relying on a separate digital
> microphone IP block for input). HDMI and SPDIF audio are handled
> separately by an audio hub IP block, which is not currently implemented
> in mainline kernels. This requires some additional flexibility in the
> DMA bindings.
> 
> Add compatible string and routing for the H616 audio codec, and update
> the required DMA descriptions.
> 
> Signed-off-by: Ryan Walklin <ryan at testtoast.com>
> 
> ---
> Changelog v1..v2:
> - Remove PLL_AUDIO_4X clock from definition (defined internally but
>   not used by driver and so not required in DTSI)
> - Restrict TX-only DMA definition to H616
> 
> Changelog v2..v3:
> 
> - Fix missing - in H616 conditional binding reported by dt_binding_check.
> ---
>  .../sound/allwinner,sun4i-a10-codec.yaml      | 53 ++++++++++++++++---
>  1 file changed, 47 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-codec.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-codec.yaml
> index 78273647f7665..ebc9097f936ad 100644
> --- a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-codec.yaml
> +++ b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-codec.yaml
> @@ -22,6 +22,7 @@ properties:
>        - allwinner,sun8i-a23-codec
>        - allwinner,sun8i-h3-codec
>        - allwinner,sun8i-v3s-codec
> +      - allwinner,sun50i-h616-codec

Are you keeping preferred ordering of entries? Usually it is
alphanumerical, but you introduce now by model number.

>  
>    reg:
>      maxItems: 1
> @@ -40,14 +41,20 @@ properties:
>        - const: codec

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>

Best regards,
Krzysztof