linux-kernel - Re: [PATCH v4 02/18] dt-bindings: clock: qcom: Update sc8280xp camcc bindings

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Message-ID: <xlul47xvzvaexbs7w3erpfel754p3nyvnkaqdwjktbafugee5h@ppgxmt4cgnv6>
Date: Thu, 15 May 2025 00:28:54 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Jagadeesh Kona <quic_jkona@...cinc.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
        Ajit Pandey <quic_ajipan@...cinc.com>,
        Imran Shaik <quic_imrashai@...cinc.com>,
        Taniya Das <quic_tdas@...cinc.com>,
        Satya Priya Kakitapalli <quic_skakitap@...cinc.com>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Subject: Re: [PATCH v4 02/18] dt-bindings: clock: qcom: Update sc8280xp camcc
 bindings

On Thu, May 15, 2025 at 12:15:30AM +0300, Dmitry Baryshkov wrote:
> On Thu, May 15, 2025 at 12:38:47AM +0530, Jagadeesh Kona wrote:
> > SC8280XP camcc only requires the MMCX power domain, unlike
> > SM8450 camcc which will now support both MMCX and MXC power
> > domains. Hence move SC8280XP camcc bindings from SM8450 to
> > SA8775P camcc.
> 
> It requires MX for PLLs. I know that we were not modelling that
> relationship beforehand, but maybe we should start doing that?

On the other hand, it's irrelevant. If we add MX, we can as well add
MXA. So this seems to be correct move anyway.


Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


> 
> > SA8775P camcc doesn't support required-opps property currently
> > but SC8280XP camcc need that property,  so add required-opps
> > based on SC8280XP camcc conditional check in SA8775P camcc
> > bindings.
> > 
> > Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
> > Signed-off-by: Jagadeesh Kona <quic_jkona@...cinc.com>
> > ---
> >  .../devicetree/bindings/clock/qcom,sa8775p-camcc.yaml     | 15 +++++++++++++++
> >  .../devicetree/bindings/clock/qcom,sm8450-camcc.yaml      |  2 --
> >  2 files changed, 15 insertions(+), 2 deletions(-)
> > 
> 
> -- 
> With best wishes
> Dmitry

-- 
With best wishes
Dmitry