linux-kernel - Re: [PATCH 1/3] dt-bindings: perf: fsl-imx-ddr: Add i.MX95 compatible

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Date:   Mon, 27 Nov 2023 17:36:03 +0000
From:   Conor Dooley <conor@...nel.org>
To:     Xu Yang <xu.yang_2@....com>
Cc:     Frank.li@....com, will@...nel.org, mark.rutland@....com,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, irogers@...gle.com,
        namhyung@...nel.org, acme@...nel.org, john.g.garry@...cle.com,
        james.clark@....com, mike.leach@...aro.org, leo.yan@...aro.org,
        peterz@...radead.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] dt-bindings: perf: fsl-imx-ddr: Add i.MX95 compatible

On Mon, Nov 27, 2023 at 03:32:06PM +0800, Xu Yang wrote:
> i.MX95 has a more precise counting capability than i.MX93. This will add
> a compatible for it.

It is hard to tell from this comment, but I figure this "more precise
capability" is not an option you can enable, but instead makes the
programming model of this device different to that of the imx93?

Thanks,
Conor.

> 
> Signed-off-by: Xu Yang <xu.yang_2@....com>
> ---
>  Documentation/devicetree/bindings/perf/fsl-imx-ddr.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/perf/fsl-imx-ddr.yaml b/Documentation/devicetree/bindings/perf/fsl-imx-ddr.yaml
> index e9fad4b3de68..1bc7bf1c8368 100644
> --- a/Documentation/devicetree/bindings/perf/fsl-imx-ddr.yaml
> +++ b/Documentation/devicetree/bindings/perf/fsl-imx-ddr.yaml
> @@ -20,6 +20,7 @@ properties:
>            - fsl,imx8mn-ddr-pmu
>            - fsl,imx8mp-ddr-pmu
>            - fsl,imx93-ddr-pmu
> +          - fsl,imx95-ddr-pmu
>        - items:
>            - enum:
>                - fsl,imx8mm-ddr-pmu
> -- 
> 2.34.1
> 

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