linux-kernel - Re: [PATCH v3 1/2] dt-bindings: arm: cpus: Document 'qcom,freq-domain' property

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Message-ID: <1603247803.20224.5.camel@mtkswgap22>
Date:   Wed, 21 Oct 2020 10:36:43 +0800
From:   Hector Yuan <hector.yuan@...iatek.com>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
CC:     <rjw@...ysocki.net>, <viresh.kumar@...aro.org>,
        <robh+dt@...nel.org>, <linux-pm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <bjorn.andersson@...aro.org>, <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH v3 1/2] dt-bindings: arm: cpus: Document
 'qcom,freq-domain' property

Hi, Manivannan

On Tue, 2020-10-20 at 21:09 +0530, Manivannan Sadhasivam wrote:
> 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>
> ---
>  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 1222bf1831fa..f40564bf004f 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:
Do you mind to change "qcom, freq-domain" to common naming? or drop the
prefix. So that we can use this CPU node and map it to each freq-domain.
Thanks a lot. 

> +    $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: |