Re: [PATCH v2 3/3] dt-bindings: perf: marvell: add CN20K TAD PMU support

[Krzysztof Kozlowski]

On Fri, Jun 12, 2026 at 03:27:46PM +0530, Geetha sowjanya wrote:
> Marvell CN20K SoCs integrate a Performance Monitoring Unit (PMU)
> associated with the LLC Tag-and-Data (TAD) blocks. The PMU provides
> hardware counters to monitor cache traffic and performance events
> via a dedicated MMIO region.
> 
> The CN20K LLC-TAD PMU is largely similar to CN10K, but differs in the
> layout of PFC/PRF register offsets relative to each TAD base. These
> offsets are derived from the compatible string in the driver and are
> not described through Devicetree properties.
> 
> Because of this, using "marvell,cn10k-tad-pmu" as a fallback for CN20K
> would result in incorrect register programming. Therefore, add a
> separate compatible string:

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>

Best regards,
Krzysztof