Re: [PATCH v3 05/11] spi: dw: Add Pensando Elba SoC SPI Controller bindings

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On Mon, Nov 15, 2021 at 02:24:40PM -0800, Brad Larson wrote:
> Hi Sergey,
> 
> On Thu, Oct 28, 2021 at 12:49 AM Serge Semin <fancer.lancer@xxxxxxxxx> wrote:
> >
> > On Sun, Oct 24, 2021 at 06:51:50PM -0700, Brad Larson wrote:
> > > The Pensando Elba SoC has integrated the DW APB SPI Controller
> >
> > Please add the "dt-bindings: " prefix to the patch name and discard
> > the word "bindings" from the title as the submitting DT-patches
> > requires:
> > Documentation/devicetree/bindings/submitting-patches.rst
> 
> I'll add that.  I recall looking at the recent git log for similar
> changes to the file as the current recommended approach.
> 
> > >
> > > Signed-off-by: Brad Larson <brad@xxxxxxxxxxx>
> > > ---
> > >  Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml | 2 ++
> > >  1 file changed, 2 insertions(+)
> > >
> > > diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
> > > index d7e08b03e204..0b5ebb2ae6e7 100644
> > > --- a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
> > > +++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
> > > @@ -73,6 +73,8 @@ properties:
> > >                - renesas,r9a06g032-spi # RZ/N1D
> > >                - renesas,r9a06g033-spi # RZ/N1S
> > >            - const: renesas,rzn1-spi   # RZ/N1
> >
> > > +      - description: Pensando Elba SoC SPI Controller
> > > +        const: pensando,elba-spi
> >
> > AFAICS from the driver-part of the patchset it's not enough. You've
> > also got the syscon phandle, which needs to be reflected in the
> > bindings. That also makes me thinking that you didn't perform the
> > "dtbs_check" on the dts-files you were going to submit, but for some
> > reason discarded from this series (btw why?). If you did you would
> > have got an error of an unevaluated property detection.
> 
> I ran the checks below and didn't get errors.  Rob provided some info
> and I found the server did not have yamllint installed (not flagged by
> tool).  Also dt-schema was not the latest.  I'm re-doing this and
> including "DT_CHECKER_FLAGS=-m" as that is new with v5.13.
> 

> make ARCH=arm64 dtbs_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
> make ARCH=arm64 dtbs_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml
> make ARCH=arm64 dtbs_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
> make ARCH=arm64 dtbs_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/vendor-prefixes.yaml
> make ARCH=arm64 dtbs_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/arm/pensando,elba.yaml

Hmm, that's weird. Rob, does dtschema tool have the
"unevaluatedProperties" property support?

Brad, anyway you still need to add the syscon-property (pensando,*spics)
requirement in the snps,dw-apb-ssi.yaml schema. See the way it's done there
for instance for "baikal,bt1-sys-ssi" when it comes to the
vendor-specific properties definition in the allOf composition block.
You'll need to define a custom phandle property there in case if a
DT-node is compatible with you SPI controller.

-Sergey

> 
> make dt_binding_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
> make dt_binding_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml
> make dt_binding_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
> make dt_binding_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/vendor-prefixes.yaml
> make dt_binding_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/arm/pensando,elba.yaml
> 
> Thanks
> Brad



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