linux-kernel - Re: [PATCH 1/5] dt-bindings: clock: qcom,gpucc: Fix SM6350 clock names

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Date:   Fri, 17 Mar 2023 09:37:21 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        Rob Herring <robh@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] dt-bindings: clock: qcom,gpucc: Fix SM6350 clock
 names

On 16/03/2023 12:16, Konrad Dybcio wrote:
> SM6350 GPUCC uses the same clock names as the rest of the gang, except
> without a _src suffix. Account for that.

Why not fixing the names instead (to use the same)? If the clocks are
the same, why using different names for the inputs? To remind - these
are not names of clocks in GCC, but names of clock inputs to the device.

> 
> Fixes: 7b91b9d8cc6c ("dt-bindings: clock: add SM6350 QCOM Graphics clock bindings")
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>  .../devicetree/bindings/clock/qcom,gpucc.yaml      | 29 +++++++++++++++++++---
>  1 file changed, 25 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,gpucc.yaml b/Documentation/devicetree/bindings/clock/qcom,gpucc.yaml
> index db53eb288995..d209060a619d 100644
> --- a/Documentation/devicetree/bindings/clock/qcom,gpucc.yaml
> +++ b/Documentation/devicetree/bindings/clock/qcom,gpucc.yaml
> @@ -43,10 +43,8 @@ properties:
>        - description: GPLL0 div branch source
>  
>    clock-names:
> -    items:
> -      - const: bi_tcxo
> -      - const: gcc_gpu_gpll0_clk_src
> -      - const: gcc_gpu_gpll0_div_clk_src
> +    minItems: 3

Drop minItems, not needed as it is implied by maxItems.

> +    maxItems: 3
>  
>    '#clock-cells':
>      const: 1
> @@ -71,6 +69,29 @@ required:
>  
>  additionalProperties: false
>
> 

Best regards,
Krzysztof