Re: [PATCH V2 4/4] dt-bindings: lpspi: New property in document DT bindings for LPSPI

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On Fri, Jul 31, 2020 at 11:38 AM Rob Herring <robh+dt@xxxxxxxxxx> wrote:
>
> On Sun, Jul 26, 2020 at 9:15 PM Clark Wang <xiaoning.wang@xxxxxxx> wrote:
> >
> > Add "fsl,spi-only-use-cs1-sel" to fit i.MX8DXL-EVK.
> > Spi common code does not support use of CS signals discontinuously.
> > It only uses CS1 without using CS0. So, add this property to re-config
> > chipselect value.
> >
> > Signed-off-by: Clark Wang <xiaoning.wang@xxxxxxx>
> > ---
> > Changes:
> > V2:
> >  - New patch added in the v2 patchset.
> > ---
> >  Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml | 7 +++++++
> >  1 file changed, 7 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
> > index 143b94a1883a..22882e769e26 100644
> > --- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
> > +++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
> > @@ -34,6 +34,12 @@ properties:
> >        - const: per
> >        - const: ipg
> >
> > +  fsl,spi-only-use-cs1-sel:
> > +    description:
> > +      spi common code does not support use of CS signals discontinuously.
> > +      i.MX8DXL-EVK board only uses CS1 without using CS0. Therefore, add
> > +      this property to re-config the chipselect value in the LPSPI driver.
>
> This breaks linux-next and you didn't test with 'make dt_binding_check':
>
> /builds/robherring/linux-dt-bindings/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml:
> properties:fsl,spi-only-use-cs1-sel: {'description': 'spi common code
> does not support use of CS signals discontinuously. i.MX8DXL-EVK board
> only uses CS1 without using CS0. Therefore, add this property to
> re-config the chipselect value in the LPSPI driver.'} is not valid
> under any of the given schemas (Possible causes of the failure):
>  /builds/robherring/linux-dt-bindings/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml:
> properties:fsl,spi-only-use-cs1-sel: 'not' is a required property
>
> The problem is you need a type definition for a vendor specific
> property. In this case 'type: boolean'.

Ping! And now Linus' tree is broken. If you can't be bothered to fix
this, perhaps it should be reverted.

Rob



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