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Date:   Tue, 27 Jul 2021 20:34:57 +0200
From:   Gerhard Engleder <gerhard@...leder-embedded.com>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Michal Simek <michal.simek@...inx.com>,
        netdev <netdev@...r.kernel.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH net-next 2/5] dt-bindings: net: Add tsnep Ethernet controller

On Tue, Jul 27, 2021 at 1:35 AM Rob Herring <robh+dt@...nel.org> wrote:
> > +properties:
> > +  compatible:
> > +    oneOf:
>
> Don't need oneOf when there is only one entry.

I will fix that.

> > +      - enum:
> > +        - engleder,tsnep
>
> tsnep is pretty generic. Only 1 version ever? Or differences are/will
> be discoverable by other means.

Differences shall be detected by flags in the registers; e.g., a flag for
gate control support. Anyway a version may make sense. Can you
point to a good reference binding with versions? I did not find a
network controller binding with versions.

> > +  reg: true
>
> How many? And what is each entry if more than 1.

Only one. I will fix that.

> > +  interrupts: true
>
> How many?

Only one. I will fix that.

> > +
> > +  local-mac-address: true
> > +  mac-address: true
> > +  nvmem-cells: true
>
> How many?

Is that not inherited from ethernet-controller.yaml?
  nvmem-cells:
    maxItems: 1

> > +  nvmem-cells-names: true
>
> Need to define the names.

Is that not inherited from ethernet-controller.yaml?
  nvmem-cell-names:
    const: mac-address

> > +  phy-connection-type: true
> > +  phy-mode: true
>
> All the modes the generic binding support are supported by this device?

Only GMII and RGMII are supported. I will fix that.

> > +  phy-handle: true
> > +
> > +  '#address-cells':
> > +    description: Number of address cells for the MDIO bus.
>
> No need to re-describe common properties unless you have something
> special to say.
>
> Anyway, put an MDIO bus under an 'mdio' node.
>
> > +    const: 1
> > +
> > +  '#size-cells':
> > +    description: Number of size cells on the MDIO bus.
> > +    const: 0
> > +
> > +patternProperties:
> > +  "^ethernet-phy@[0-9a-f]$":
> > +    type: object
> > +    $ref: ethernet-phy.yaml#
>
> Referencing mdio.yaml will do all this.

I will reference mdio.yaml.

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