linux-kernel - Re: [PATCH v2 1/1] dt-binding: memory-controllers: fsl,ifc: add compatible string fsl,ifc-nand

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Message-ID: <ZsTcTt3Fu9ttcoYw@lizhi-Precision-Tower-5810>
Date: Tue, 20 Aug 2024 14:11:26 -0400
From: Frank Li <Frank.li@....com>
To: Rob Herring <robh@...nel.org>
Cc: Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Michael Walle <mwalle@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	"open list:MEMORY CONTROLLER DRIVERS" <linux-kernel@...r.kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@...r.kernel.org>,
	imx@...ts.linux.dev
Subject: Re: [PATCH v2 1/1] dt-binding: memory-controllers: fsl,ifc: add
 compatible string fsl,ifc-nand

On Sun, Aug 18, 2024 at 09:39:14AM -0600, Rob Herring wrote:
> On Wed, Aug 14, 2024 at 05:29:57PM -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@...0000/nand@1,0:
> > 	failed to match any schema with compatible: ['fsl,ifc-nand']
> >
> > Signed-off-by: Frank Li <Frank.Li@....com>
> > ---
> > Change from v1 to v2
> > - add address-cells and size-cells
> > ---
> >  .../memory-controllers/fsl/fsl,ifc.yaml       | 21 +++++++++++++++++++
> >  1 file changed, 21 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..c12bb7f51db62 100644
> > --- a/Documentation/devicetree/bindings/memory-controllers/fsl/fsl,ifc.yaml
> > +++ b/Documentation/devicetree/bindings/memory-controllers/fsl/fsl,ifc.yaml
> > @@ -58,6 +58,27 @@ 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
>
> These only apply to child nodes, but you've disabled any child nodes.

I will add mtd partition for it.

>
> > +
> > +    required:
> > +      - compatible
> > +      - reg
> > +
> > +    additionalProperties: false
>
> You could minimally make this 'type: object' instead of false.

Sorry, I have not understood your means. I already set nand@*** as object.

nand@[a-f0-9]+(,[a-f0-9]+)+$":
  type: object

>
> Or does this follow the nand controller and chip bindings? May not being
> older binding.

I check if-nand driver, which have not parse other nand controller's
property yet.


Frank
>
> > +
> >    "^.*@[a-f0-9]+(,[a-f0-9]+)+$":
> >      type: object
> >      description: |
> > --
> > 2.34.1
> >