Re: [PATCH v3 07/15] dt-bindings: clock: Fix qcom,gpucc bindings for sdm845/sc7180/msm8998

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Hi,


On Mon, Feb 3, 2020 at 8:29 AM Stephen Boyd <sboyd@xxxxxxxxxx> wrote:
>
> Quoting Doug Anderson (2020-01-31 08:48:37)
> > Hi,
> >
> > On Fri, Jan 31, 2020 at 8:43 AM Rob Herring <robh@xxxxxxxxxx> wrote:
> > >
> > > On Thu, Jan 30, 2020 at 3:12 PM Douglas Anderson <dianders@xxxxxxxxxxxx> wrote:
> > > >
> > > > The qcom,gpucc bindings had a few problems with them:
> > > >
> > > > 1. When things were converted to yaml the name of the "gpll0 main"
> > > >    clock got changed from "gpll0" to "gpll0_main".  Change it back for
> > > >    msm8998.
> > > >
> > > > 2. Apparently there is a push not to use purist aliases for clocks but
> > > >    instead to just use the internal Qualcomm names.  For sdm845 and
> > > >    sc7180 (where the drivers haven't already been changed) move in
> > > >    this direction.
> > > >
> > > > Things were also getting complicated harder to deal with by jamming
> > > > several SoCs into one file.  Splitting simplifies things.
> > > >
> > > > Fixes: 5c6f3a36b913 ("dt-bindings: clock: Add YAML schemas for the QCOM GPUCC clock bindings")
> > > > Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> > > > ---
> > > >
> > > > Changes in v3:
> > > > - Added pointer to inlude file in description.
> > > > - Everyone but msm8998 now uses internal QC names.
> > > > - Fixed typo grpahics => graphics
> > > > - Split bindings into 3 files.
> > > >
> > > > Changes in v2:
> > > > - Patch ("dt-bindings: clock: Fix qcom,gpucc...") new for v2.
> > > >
> > > >  .../devicetree/bindings/clock/qcom,gpucc.yaml | 72 -------------------
> > > >  .../bindings/clock/qcom,msm8998-gpucc.yaml    | 66 +++++++++++++++++
> > > >  .../bindings/clock/qcom,sc7180-gpucc.yaml     | 72 +++++++++++++++++++
> > > >  .../bindings/clock/qcom,sdm845-gpucc.yaml     | 72 +++++++++++++++++++
> > > >  4 files changed, 210 insertions(+), 72 deletions(-)
> > > >  delete mode 100644 Documentation/devicetree/bindings/clock/qcom,gpucc.yaml
> > > >  create mode 100644 Documentation/devicetree/bindings/clock/qcom,msm8998-gpucc.yaml
> > > >  create mode 100644 Documentation/devicetree/bindings/clock/qcom,sc7180-gpucc.yaml
> > > >  create mode 100644 Documentation/devicetree/bindings/clock/qcom,sdm845-gpucc.yaml
> > >
> > > I'm not seeing any differences in sdm845 and sc7180. Do those really
> > > need to be separate? It doesn't have to be all combined or all
> > > separate.
> >
> > They are the same, other than pointing to a different #include file.
> > I debated whether to put them in one file (arbitrarily named after one
> > SoC or the other) or to put them in individual files.  I got the
> > impression from Stephen that he'd prefer them to be separate files
> > even in the case that they were 99% identical, but I certainly could
> > have misunderstood.
> >
> > I'll do whatever you guys agree to.  If you want them in one file I'll
> > probably name it "qcom,sdm845-gpucc.yaml" just because that SoC is
> > earlier, unless someone tells me otherwise.
> >
>
> I'd prefer them to be split out and point at the include file so we know
> what numbers are valid. It provides clarity and helps avoid the back and
> forth of combining and splitting the files. We suffer the same problem
> on the driver side, and we've long given up trying to combine SoCs when
> they're otherwise fairly similar.

Thanks for clarifying!  Rob: I hope it's OK that I've gone ahead and
sent out v4 leaving this alone.  I knew you were interested in getting
the other bindings patch out sooner rather than later and I was hoping
to get both series out together so I could context switch to a few
other things early this week.  Apologies if this was moving too
fast...

-Doug



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