[PATCH v5 2/3] spi: dt-bindings: Describe stacked/parallel memories modes

Rob Herring robh at kernel.org
Wed Dec 22 11:28:55 PST 2021


On Wed, Dec 22, 2021 at 03:08:59PM -0400, Rob Herring wrote:
> On Tue, Dec 21, 2021 at 06:00:57PM +0100, Miquel Raynal wrote:
> > Describe two new memories modes:
> > - A stacked mode when the bus is common but the address space extended
> >   with an additinals wires.
> > - A parallel mode with parallel busses accessing parallel flashes where
> >   the data is spread.
> > 
> > Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
> > ---
> > 
> > Hello Rob,
> > 
> > I know the below does not pass the tests (at least the example patch 3
> > does not pass) but I believe the issue is probably on the tooling side
> > because the exact same thing with uing32-array instead is accepted. The
> > problem comes from the minItems/maxItems lines. Without them, this is
> > okay. The maxItems btw matches the "good enough value for now" idea.
> > 
> > The errors I get are:
> > 
> > $ make dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/spi/spi-controller.yaml
> >   LINT    Documentation/devicetree/bindings
> >   CHKDT   Documentation/devicetree/bindings/processed-schema-examples.json
> >   SCHEMA  Documentation/devicetree/bindings/processed-schema-examples.json
> >   DTEX    Documentation/devicetree/bindings/spi/spi-controller.example.dts
> >   DTC     Documentation/devicetree/bindings/spi/spi-controller.example.dt.yaml
> >   CHECK   Documentation/devicetree/bindings/spi/spi-controller.example.dt.yaml
> > /src/Documentation/devicetree/bindings/spi/spi-controller.example.dt.yaml: spi at 80010000: flash at 2:stacked-memories: [[268435456, 268435456]] is too short
> > 	From schema: /src/Documentation/devicetree/bindings/spi/spi-controller.yaml
> > /src/Documentation/devicetree/bindings/spi/spi-controller.example.dt.yaml: spi at 80010000: flash at 2:stacked-memories: [[268435456, 268435456]] is too short
> > 	From schema: /src/Documentation/devicetree/bindings/spi/mxs-spi.yaml
> > /src/Documentation/devicetree/bindings/spi/spi-controller.example.dt.yaml: spi at 80010000: Unevaluated properties are not allowed ('#address-cells', '#size-cells', 'display at 0', 'sensor at 1', 'flash at 2' were unexpected)
> > 	From schema: /src/Documentation/devicetree/bindings/spi/mxs-spi.yaml
> > /src/Documentation/devicetree/bindings/spi/spi-controller.example.dt.yaml: flash at 2: stacked-memories: [[268435456, 268435456]] is too short
> > 	From schema: /src/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
> 
> I'm not seeing any of these. Are you up to date with dtschema?

NM, I was missing a patch and now see it. It is indeed a tool problem. 
I'll work on a fix.

Rob



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