Re: [PATCH v4 1/3] dt-bindings: dma: arm-dma350: document generic and combined IRQ topologies

[Krzysztof Kozlowski]

On 23/03/2026 12:48, Jun Guo wrote:
> Update the DMA-350 DT binding to match the current driver behavior.
> 
> Allow both:
> - "arm,dma-350" as the generic compatible, and
> - "cix,sky1-dma-350", "arm,dma-350" for SoC-specific fallback usage.
> 
> Also document interrupt topology variants supported by hardware
> integration:
> - one combined interrupt for all channels, or
> - one interrupt per channel (up to 8 channels).
> 
> Assisted-by: Cursor: GPT-5.3-Codex

There is no space here. Read the docs, I quite insisted on this last
time. If you make mistakes in this, I doubt you read the docs thus I
doubt you followed the requirements - have actual rights to send it for
example.

> Signed-off-by: Jun Guo <jun.guo@xxxxxxxxxxx>
> ---
>  .../devicetree/bindings/dma/arm,dma-350.yaml  | 34 +++++++++++++------
>  1 file changed, 24 insertions(+), 10 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/dma/arm,dma-350.yaml b/Documentation/devicetree/bindings/dma/arm,dma-350.yaml
> index 429f682f15d8..47091614d1b4 100644
> --- a/Documentation/devicetree/bindings/dma/arm,dma-350.yaml
> +++ b/Documentation/devicetree/bindings/dma/arm,dma-350.yaml
> @@ -14,7 +14,14 @@ allOf:
>  
>  properties:
>    compatible:
> -    const: arm,dma-350
> +    description:
> +      Use "arm,dma-350" for generic integration. A SoC-specific
> +      compatible may be listed first, followed by "arm,dma-350".

What is the point of explaining it? What is the difference between
generic integration and non-generic?

Best regards,
Krzysztof