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

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Message-ID: <d7da5034-a2a5-71d1-5898-4a110d495638@linaro.org>
Date:   Wed, 22 Jun 2022 16:59:57 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Yassine Oudjana <yassine.oudjana@...il.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
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 21/06/2022 19:28, Yassine Oudjana wrote:
> 
> On Tue, Jun 21 2022 at 20:07:50 +0300, Dmitry Baryshkov 
> <dmitry.baryshkov@...aro.org> wrote:
>> 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.
> 
> The old DT files that didn't have XO defined had a wrong
> compatible string to begin with (fixed in [1]), so I don't
> think it's a problem.
> 

Reasonable.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof