Re: [PATCH v2 2/3] dt-bindings: PCI: qcom,pcie-sm8550: Add Eliza compatible

[Krzysztof Kozlowski <krzk@kernel.org>]

On 08/06/2026 06:35, Krishna Chaitanya Chundru wrote:
> 
> 
> On 6/7/2026 2:18 PM, Krzysztof Kozlowski wrote:
>> On Mon, Jun 01, 2026 at 10:59:45PM +0530, Krishna Chaitanya Chundru wrote:
>>> PCIe controller present in Eliza SoC is backwards compatible with the
>>> controller present in Eliza SoC. Hence, add the compatible with SM8550
>> Eliza SoC is compatible with itself?
>  Sorry, that's a copy-paste error in the commit message. It should read:
>   "PCIe controller present in Eliza SoC is backwards compatible with the
>   controller present in SM8550 SoC."
> 
>   Will fix in v3.
>>> fallback.
>> Why reg, clocks and interrupts are flexible? Are there different
>> variants within Eliza SoC, e.g. one without msi?
> There are no variants within Eliza SoC. The flexibility is inherited
> from the SM8550 family binding and follows the same pattern as the
> other compatibles in this file (kaanapali, sar2130p, sm8650, sm8750)
> which also have no per-compatible constraints. If you'd prefer explicit
> constraints for Eliza, I can add them in v3.

You need explicit constraints. Old variants are flexible only because of
backwards compatibility.

Best regards,
Krzysztof