On Tue, Sep 29, 2026 at 04:50:14PM +0000, [email protected] wrote:
> Thank you for your contribution! Sashiko AI review found 1 potential issue(s) 
> to consider:
> - [Low] dt-bindings: spi-virtio: undocumented compatible in example
> --
> 
> commit eb6ae8a9a8b3aa403347f70589897a8c7d297186
> Author: Francesco Valla <[email protected]>
> 
> dt-bindings: spi: add bindings for spi-virtio
> 
> This commit adds device tree bindings for spi-virtio based on virtio-device.
> It defines the properties and node dependencies for the virtio SPI controller.
> 
> > diff --git a/Documentation/devicetree/bindings/spi/spi-virtio.yaml 
> > b/Documentation/devicetree/bindings/spi/spi-virtio.yaml
> > new file mode 100644
> > index 0000000000000..5b8639dd2e1f1
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/spi/spi-virtio.yaml
> 
> [ ... ]
> 
> > +examples:
> > +  - |
> > +    virtio@3000 {
> > +        compatible = "virtio,mmio";
> > +        reg = <0x3000 0x100>;
> > +        interrupts = <41>;
> > +
> > +        spi {
> > +            compatible = "virtio,device2d";
> > +
> > +            #address-cells = <1>;
> > +            #size-cells = <0>;
> > +
> > +            sram@0 {
> > +                compatible = "microchip,mchp23k256";
> 
> [Severity: Low]
> Is this compatible string documented in any existing binding schema?
>

Yes - the compatible fot the Microchip MCHP23K256 is documented in:

  Documentation/devicetree/bindings/mtd/microchip,mchp23k256.yaml

> The dt_binding_check tool strictly validates all compatible strings against
> known schemas, so an undocumented compatible string in an example will emit a
> schema validation warning.
> 
> When running make dt_binding_check on the new spi-virtio.yaml file, it
> parses the example and attempts to match microchip,mchp23k256 against
> registered bindings, which fails if none exist.
> 
> > +                reg = <0>;
> > +                spi-max-frequency = <20000000>;
> > +            };
> > +        };
> > +    };
> > +
> > +...
> 
> -- 
> Sashiko AI review ยท 
> https://sashiko.dev/#/patchset/[email protected]?part=1

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