netdev - Re: [PATCH 1/3] dt-bindings: net: Convert fsl,gianfar-{mdio,tbi} to YAML

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Message-ID: <Z72lqrhs50NtoK8m@probook>
Date: Tue, 25 Feb 2025 11:12:42 +0000
From: J. Neuschäfer <j.ne@...teo.net>
To: J. Neuschäfer <j.ne@...teo.net>
Cc: Rob Herring <robh@...nel.org>, Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Claudiu Manoil <claudiu.manoil@....com>, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] dt-bindings: net: Convert fsl,gianfar-{mdio,tbi} to
 YAML

On Mon, Feb 24, 2025 at 08:58:19PM +0000, J. Neuschäfer wrote:
> On Fri, Feb 21, 2025 at 10:36:51AM -0600, Rob Herring wrote:
> > On Thu, Feb 20, 2025 at 06:29:21PM +0100, J. Neuschäfer wrote:
> > > Move the information related to the Freescale Gianfar (TSEC) MDIO bus
> > > and the Ten-Bit Interface (TBI) from fsl-tsec-phy.txt to a new binding
> > > file in YAML format, fsl,gianfar-mdio.yaml.
> > > 
> > > Signed-off-by: J. Neuschäfer <j.ne@...teo.net>
> > > ---
> [...]
> > > +properties:
> > > +  compatible:
> > > +    enum:
> > > +      - fsl,gianfar-tbi
> > > +      - fsl,gianfar-mdio
> > > +      - fsl,etsec2-tbi
> > > +      - fsl,etsec2-mdio
> > > +      - fsl,ucc-mdio
> > > +      - gianfar
> > 
> > Can you just comment out this to avoid the duplicate issue.
> > 
> > Though I think if you write a custom 'select' which looks for 
> > 'device_type = "mdio"' with gianfar compatible and similar in the other 
> > binding, then the warning will go away. 
> 
> I'm not sure how the 'select' syntax works, is there a reference
> document I could read?

Ok, I think I figured it out, this seems to work as intended:



select:
  oneOf:
    - properties:
        compatible:
          enum:
            - fsl,gianfar-tbi
            - fsl,gianfar-mdio
            - fsl,etsec2-tbi
            - fsl,etsec2-mdio
            - fsl,ucc-mdio

      required:
        - compatible

    - properties:
        compatible:
          enum:
            - gianfar
            - ucc_geth_phy

        device_type:
          const: mdio

      required:
        - compatible
        - device_type

properties:
  compatible:
    enum:
      - fsl,gianfar-tbi
      - fsl,gianfar-mdio
      - fsl,etsec2-tbi
      - fsl,etsec2-mdio
      - fsl,ucc-mdio
      - gianfar
      - ucc_geth_phy

  reg:
    ...



Best regards,
J. Neuschäfer