linux-kernel - Re: [PATCH v1 1/5] dt-bindings: interconnect: Update property for icc-rpm path tag

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Date:   Tue, 26 Apr 2022 13:59:31 -0500
From:   Rob Herring <robh@...nel.org>
To:     Leo Yan <leo.yan@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Georgi Djakov <djakov@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/5] dt-bindings: interconnect: Update property for
 icc-rpm path tag

On Sat, Apr 16, 2022 at 11:40:09PM +0800, Leo Yan wrote:
> To support path tag in icc-rpm driver, the "#interconnect-cells"
> property is updated as enumerate values: 1 or 2.  Setting to 1 means
> it is compatible with old DT binding that interconnect path doesn't
> contain tag, if set to 2 for "#interconnect-cells" property, then the
> second specifier in the interconnect path indicates the voting is for
> which buckets.
> 
> Signed-off-by: Leo Yan <leo.yan@...aro.org>
> ---
>  Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml b/Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml
> index 89853b482513..7464a50804db 100644
> --- a/Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml
> +++ b/Documentation/devicetree/bindings/interconnect/qcom,rpm.yaml
> @@ -118,7 +118,7 @@ allOf:
>                    - qcom,msm8939-snoc-mm
>  
>                '#interconnect-cells':
> -                const: 1
> +                enum: [ 1, 2 ]

Describe what each cell value is here.

>  
>                clock-names:
>                  items:
> -- 
> 2.25.1
> 
>