linux-kernel - [PATCH net-next 2/2] dt-bindings: net: microchip,ksz: document microchip,rmii-clk-internal

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Message-ID: <20231011132600.26297-1-ante.knezic@helmholz.de>
Date:   Wed, 11 Oct 2023 15:26:00 +0200
From:   Ante Knezic <ante.knezic@...mholz.de>
To:     <conor@...nel.org>
CC:     <UNGLinuxDriver@...rochip.com>, <andrew@...n.ch>,
        <ante.knezic@...mholz.de>, <conor+dt@...nel.org>,
        <davem@...emloft.net>, <devicetree@...r.kernel.org>,
        <edumazet@...gle.com>, <f.fainelli@...il.com>,
        <krzysztof.kozlowski+dt@...aro.org>, <kuba@...nel.org>,
        <linux-kernel@...r.kernel.org>, <marex@...x.de>,
        <netdev@...r.kernel.org>, <olteanv@...il.com>, <pabeni@...hat.com>,
        <robh+dt@...nel.org>, <woojung.huh@...rochip.com>
Subject: [PATCH net-next 2/2] dt-bindings: net: microchip,ksz: document microchip,rmii-clk-internal

On Tue, 10 Oct 2023 16:25:55 +0100, Conor Dooley wrote:
> On Tue, Oct 10, 2023 at 03:18:54PM +0200, Ante Knezic wrote:
> > Add documentation for selecting reference rmii clock on KSZ88X3 devices
> > 
> > Signed-off-by: Ante Knezic <ante.knezic@...mholz.de>
> > ---
> >  Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml | 6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml b/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
> > index e51be1ac0362..3df5d2e72dba 100644
> > --- a/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
> > +++ b/Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
> > @@ -49,6 +49,12 @@ properties:
> >        Set if the output SYNCLKO clock should be disabled. Do not mix with
> >        microchip,synclko-125.
> >  
> > +  microchip,rmii-clk-internal:
> > +    $ref: /schemas/types.yaml#/definitions/flag
> > +    description:
> > +      Set if the RMII reference clock should be provided internally.
> 
> > Applies only
> > +      to KSZ88X3 devices.
> 
> This should be enforced by the schema, the example schema in the docs
> should show you how to do this.

I am guessing you are refering to limiting the property to ksz88x3 devices?
Something like:

if:
  properties:
    compatible:
      enum:
        - microchip,ksz8863
        - microchip,ksz8873
then:
  properties:
    microchip,rmii-clk-internal:
      $ref: /schemas/types.yaml#/definitions/flag
      description:
        Set if the RMII reference clock is provided internally. Otherwise
        reference clock should be provided externally.

Thanks,
Ante