Re: [PATCH v3 1/2] dt-bindings: mailbox: Add support for bcm74110

[Krzysztof Kozlowski]

On 07/04/2025 22:57, Justin Chen wrote:


> from v2 of my patch was copied from said generated DTS.
> 
> Apologies as I navigate through the different yaml keywords here. The HW
> isn't changing, I am just struggling with representing the HW using the
> different keywords. And the different implications of using said keywords.
> 
> Here is what I have for v4.
>       items:
>         - description: RX doorbell and watermark interrupts
>         - description: TX doorbell and watermark interrupts
> +    description:
> +      RX interrupts are required to notify the host of pending messages. TX
> +      interrupts are optional. The TX doorbell interrupt is not used by the
> +      host, but watermark interrupts may be used to notify a host 
> waiting on
> +      a full out queue.
What does it mean optional? Board decides on SoC connections? Given SoC
is fixed isn't it?

Best regards,
Krzysztof