Re: [PATCH v3 1/1] dt-bindings: memory-controllers: fsl,ifc: add compatible string fsl,ifc-nand

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On Mon, Sep 02, 2024 at 09:11:05AM +0200, Krzysztof Kozlowski wrote:
> On Fri, Aug 30, 2024 at 03:11:43PM -0400, Frank Li wrote:
> > ifc can connect nor, nand and fpag. Add child node "nand@" under fsl,ifc
> > and compatible string "fsl,ifc-nand" when ifc connect to nand flash.
> >
> > Fix below warning:
> > arch/arm64/boot/dts/freescale/fsl-ls1043a-qds.dtb: /soc/memory-controller@1530000/nand@1,0:
> > 	failed to match any schema with compatible: ['fsl,ifc-nand']
> >
> > Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
> > ---
> > Change from v2 to v3
> > - add partition child node for nand
> > - Only partition property is used at ppc
> > Change from v1 to v2
> > - add address-cells and size-cells
> > ---
> >  .../memory-controllers/fsl/fsl,ifc.yaml       | 26 +++++++++++++++++++
> >  1 file changed, 26 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/memory-controllers/fsl/fsl,ifc.yaml b/Documentation/devicetree/bindings/memory-controllers/fsl/fsl,ifc.yaml
> > index d1c3421bee107..5a11224da8914 100644
> > --- a/Documentation/devicetree/bindings/memory-controllers/fsl/fsl,ifc.yaml
> > +++ b/Documentation/devicetree/bindings/memory-controllers/fsl/fsl,ifc.yaml
> > @@ -58,6 +58,32 @@ properties:
> >        access window as configured.
> >
> >  patternProperties:
> > +  "^nand@[a-f0-9]+(,[a-f0-9]+)+$":
> > +    type: object
> > +    properties:
> > +      compatible:
> > +        const: fsl,ifc-nand
> > +
> > +      reg:
> > +        maxItems: 1
> > +
> > +      "#address-cells":
> > +        const: 1
> > +
> > +      "#size-cells":
> > +        const: 1
> > +
> > +    patternProperties:
> > +      "^partition@[0-9a-f]+":
> > +        $ref: /schemas/mtd/partitions/partition.yaml#
> > +        deprecated: true
> > +
> > +    required:
> > +      - compatible
> > +      - reg
> > +
> > +    additionalProperties: false
> > +
> >    "^.*@[a-f0-9]+(,[a-f0-9]+)+$":
>
> This pattern is for NAND already. I don't understand why you are
> duplicating it. If this part does not work, fix it.

It is old binding. It did not require compatible string. It should split
into nand\flash\fpga ...

The difference part require difference compatible string. NAND is only
1st step to improve it.

Frank

>
> Best regards,
> Krzysztof
>




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