linux-kernel - Re: [PATCH 5/6] dt-bindings: clock: qcom,msm8996-apcc: Fix clocks

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Date:   Tue, 21 Jun 2022 20:07:50 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Yassine Oudjana <yassine.oudjana@...il.com>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Loic Poulain <loic.poulain@...aro.org>,
        Yassine Oudjana <y.oudjana@...tonmail.com>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Martin Botka <martin.botka@...ainline.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/6] dt-bindings: clock: qcom,msm8996-apcc: Fix clocks

On Tue, 21 Jun 2022 at 19:07, Yassine Oudjana <yassine.oudjana@...il.com> wrote:
>
> From: Yassine Oudjana <y.oudjana@...tonmail.com>
>
> The clocks currently listed in clocks and clock-names are the ones
> supplied by this clock controller, not the ones it consumes. Replace
> them with the only clock it consumes - the on-board oscillator (XO),
> and make the properties required.
>
> Signed-off-by: Yassine Oudjana <y.oudjana@...tonmail.com>
> ---
>  .../bindings/clock/qcom,msm8996-apcc.yaml         | 15 +++++++--------
>  1 file changed, 7 insertions(+), 8 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/clock/qcom,msm8996-apcc.yaml b/Documentation/devicetree/bindings/clock/qcom,msm8996-apcc.yaml
> index a20cb10636dd..c4971234fef8 100644
> --- a/Documentation/devicetree/bindings/clock/qcom,msm8996-apcc.yaml
> +++ b/Documentation/devicetree/bindings/clock/qcom,msm8996-apcc.yaml
> @@ -26,22 +26,18 @@ properties:
>
>    clocks:
>      items:
> -      - description: Primary PLL clock for power cluster (little)
> -      - description: Primary PLL clock for perf cluster (big)
> -      - description: Alternate PLL clock for power cluster (little)
> -      - description: Alternate PLL clock for perf cluster (big)
> +      - description: XO source
>
>    clock-names:
>      items:
> -      - const: pwrcl_pll
> -      - const: perfcl_pll
> -      - const: pwrcl_alt_pll
> -      - const: perfcl_alt_pll
> +      - const: xo
>
>  required:
>    - compatible
>    - reg
>    - '#clock-cells'
> +  - clocks
> +  - clock-names

I think we can not list them as required, as then older DT files won't
pass schema validation. But I'll leave this into the hands of Rob and
Krzyshtof.

>
>  additionalProperties: false
>
> @@ -51,4 +47,7 @@ examples:
>          compatible = "qcom,msm8996-apcc";
>          reg = <0x6400000 0x90000>;
>          #clock-cells = <1>;
> +
> +        clocks = <&xo_board>;
> +        clock-names = "xo";
>      };
> --
> 2.36.1
>


-- 
With best wishes
Dmitry