linux-kernel - Re: [PATCH 2/4] dt-bindings: cpufreq: mediatek: add mt8186 cpufreq dt-bindings

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Date:   Thu, 10 Mar 2022 14:44:41 -0600
From:   Rob Herring <robh@...nel.org>
To:     Tim Chang <jia-wei.chang@...iatek.com>
Cc:     "Rafael J . Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, fan.chen@...iatek.com,
        louis.yu@...iatek.com, roger.lu@...iatek.com,
        Allen-yy.Lin@...iatek.com,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        hsinyi@...gle.com,
        Jia-Wei Chang <jia-wei.chang@...iatek.corp-partner.google.com>
Subject: Re: [PATCH 2/4] dt-bindings: cpufreq: mediatek: add mt8186 cpufreq
 dt-bindings

On Mon, Mar 07, 2022 at 08:21:49PM +0800, Tim Chang wrote:
> 1. add cci property.
> 2. add example of MT8186.
> 
> Signed-off-by: Jia-Wei Chang <jia-wei.chang@...iatek.corp-partner.google.com>
> ---
>  .../bindings/cpufreq/cpufreq-mediatek.yaml    | 41 +++++++++++++++++++
>  1 file changed, 41 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek.yaml b/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek.yaml
> index 584946eb3790..d3ce17fd8fcf 100644
> --- a/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek.yaml
> +++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-mediatek.yaml
> @@ -48,6 +48,10 @@ properties:
>        When absent, the voltage scaling flow is handled by hardware, hence no
>        software "voltage tracking" is needed.
>  
> +  cci:
> +    description:
> +      Phandle of the cci to be linked with the phandle of CPU if present.

We already have a binding for this. See cci-control-port.

> +
>    "#cooling-cells":
>      description:
>        For details, please refer to