linux-kernel - Re: [PATCH v2 2/2] dt-bindings: clock: add QCOM SM8350 display clock bindings

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Date:   Sat, 5 Jun 2021 23:11:56 -0500
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Stephen Boyd <sboyd@...nel.org>
Cc:     Jonathan Marek <jonathan@...ek.ca>, linux-arm-msm@...r.kernel.org,
        Rob Herring <robh@...nel.org>, Andy Gross <agross@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] dt-bindings: clock: add QCOM SM8350 display clock
 bindings

On Wed 02 Jun 16:27 CDT 2021, Stephen Boyd wrote:

> Quoting Jonathan Marek (2021-05-18 17:18:02)
> > Add sm8350 DISPCC bindings, which are simply a symlink to the sm8250
> > bindings. Update the documentation with the new compatible.
> > 
> > Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
> > Reviewed-by: Rob Herring <robh@...nel.org>
> > ---
> >  .../devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml       | 6 ++++--
> >  include/dt-bindings/clock/qcom,dispcc-sm8350.h              | 1 +
> 
> >  2 files changed, 5 insertions(+), 2 deletions(-)
> >  create mode 120000 include/dt-bindings/clock/qcom,dispcc-sm8350.h
> 
> Why the symlink? Can we have the dt authors use the existing header file
> instead?
> 
> > 
> > diff --git a/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml b/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml
> > index 0cdf53f41f84..8f414642445e 100644
> > --- a/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml
> > +++ b/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml
> > @@ -4,24 +4,26 @@
> >  $id: http://devicetree.org/schemas/clock/qcom,dispcc-sm8x50.yaml#
> >  $schema: http://devicetree.org/meta-schemas/core.yaml#
> >  
> > -title: Qualcomm Display Clock & Reset Controller Binding for SM8150/SM8250
> > +title: Qualcomm Display Clock & Reset Controller Binding for SM8150/SM8250/SM8350
> 
> Maybe just "Binding for SM8x50 SoCs"
> 

That seems like a certain way to ensure that SM8450 etc will be
different enough to not match this binding :)

Regards,
Bjorn