linux-kernel - Re: [PATCH v5 3/7] dt-bindings: arm: cpus: Document 'qcom,freq-domain' property

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Date:   Fri, 5 Feb 2021 15:46:41 -0600
From:   Rob Herring <robh@...nel.org>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>
Cc:     viresh.kumar@...aro.org, bjorn.andersson@...aro.org,
        agross@...nel.org, rjw@...ysocki.net, devicetree@...r.kernel.org,
        amit.kucheria@...aro.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, phone-devel@...r.kernel.org,
        konrad.dybcio@...ainline.org, marijn.suijten@...ainline.org,
        martin.botka@...ainline.org, jeffrey.l.hugo@...il.com,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: Re: [PATCH v5 3/7] dt-bindings: arm: cpus: Document
 'qcom,freq-domain' property

On Thu, Jan 21, 2021 at 08:52:46PM +0100, AngeloGioacchino Del Regno wrote:
> From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> 
> Add devicetree documentation for 'qcom,freq-domain' property specific
> to Qualcomm CPUs. This property is used to reference the CPUFREQ node
> along with Domain ID (0/1).
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...ainline.org>
> ---
>  Documentation/devicetree/bindings/arm/cpus.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/cpus.yaml b/Documentation/devicetree/bindings/arm/cpus.yaml
> index 14cd727d3c4b..1d60975df23a 100644
> --- a/Documentation/devicetree/bindings/arm/cpus.yaml
> +++ b/Documentation/devicetree/bindings/arm/cpus.yaml
> @@ -290,6 +290,12 @@ properties:
>  
>        * arm/msm/qcom,kpss-acc.txt
>  
> +  qcom,freq-domain:

What happened to having a standard property here? There were 1 or 2 
other cases of doing the same thing.

> +    $ref: '/schemas/types.yaml#/definitions/phandle-array'
> +    description: |
> +      CPUs supporting freq-domain must set their "qcom,freq-domain" property
> +      with phandle to a cpufreq_hw node followed by the Domain ID(0/1).
> +
>    rockchip,pmu:
>      $ref: '/schemas/types.yaml#/definitions/phandle'
>      description: |
> -- 
> 2.30.0
>