Re: [PATCH 3/6] dt-bindings: mailbox: Add AMD PL Mailbox IP

From: Krzysztof Kozlowski

Date: Fri Oct 16 2026 - 10:00:04 EST


On 15/10/2026 17:31, Shah, Tanmay wrote:
> We use 'amd' vendor prefix for all new drivers & bindings. Also, there
> is dedicated IPI hardware which can be used as mailbox too, and we
> should distinguish it with this PL mailbox. So I that is included in the
> compatible string. (pl-mbox).
>
> If we are also to include SOC name as well (per compatible property
> guideline), then we should include one of the SOC name as well:
>
> So, I think 'amd,zynqmp-pl-mbox-2.1' is good.
>
> Krzysztof, are you okay with above name? The 2.1 is FPGA IP design
> version number and not the SOC version number. So in future let's say
> that FPGA IP design is improved then the name (pl-mbox) will remain
> same, but only version number will be updated i.e. (from 2.1 to 3.0). Is
> it okay if we explicitly mention this in the binding description?

So you will release the same SoC with different versions of the block?

Best regards,
Krzysztof