netdev - Re: [RFC PATCH v2 linux-next 10/14] dt-bindings: net: dsa: sja1105: add SJA1110 bindings

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Date:   Wed, 26 May 2021 09:19:49 -0500
From:   Rob Herring <robh@...nel.org>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>
Subject: Re: [RFC PATCH v2 linux-next 10/14] dt-bindings: net: dsa: sja1105:
 add SJA1110 bindings

On Wed, May 26, 2021 at 8:56 AM Vladimir Oltean <olteanv@...il.com> wrote:
>
> There are 4 variations of the SJA1110 switch which have a different set
> of MII protocols supported per port. Document the compatible strings.
>
> Also, the SJA1110 optionally supports 2 internal MDIO buses for 2
> different types of Ethernet PHYs. Document a container node called
> "mdios" which has 2 subnodes "mdio@0" and "mdio@1", identifiable via
> compatible string, under which the driver finds the internal PHYs.
>
> Cc: Rob Herring <robh@...nel.org>
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
> ---
> Changes in v2:
> Patch is new.
>
>  .../bindings/net/dsa/nxp,sja1105.yaml         | 43 +++++++++++++++++++
>  1 file changed, 43 insertions(+)

Please use get_maintainers.pl and resend to the right lists.
Specifically, the DT list in this case.

> diff --git a/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml b/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml
> index c1f18849a54a..640da65b0f59 100644
> --- a/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml
> +++ b/Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml
> @@ -28,10 +28,53 @@ properties:
>            - nxp,sja1105q
>            - nxp,sja1105r
>            - nxp,sja1105s
> +          - nxp,sja1110a
> +          - nxp,sja1110b
> +          - nxp,sja1110c
> +          - nxp,sja1110d
>
>    reg:
>      maxItems: 1
>
> +  # Optional container node for the 2 internal MDIO buses of the SJA1110
> +  # (one for the internal 100base-T1 PHYs and the other for the single
> +  # 100base-TX PHY). The "reg" property does not have physical significance.
> +  # The PHY addresses to port correspondence is as follows: for 100base-T1,
> +  # port 5 has PHY 1, port 6 has PHY 2 etc, while for 100base-TX, port 1 has
> +  # PHY 1.
> +  mdios:
> +    type: object
> +
> +    properties:
> +      '#address-cells':
> +        const: 1
> +      '#size-cells':
> +        const: 0
> +
> +    patternProperties:
> +      "^mdio@[0-1]$":
> +        type: object
> +
> +        allOf:
> +          - $ref: "http://devicetree.org/schemas/net/mdio.yaml#"
> +
> +        properties:
> +          compatible:
> +            oneOf:
> +              - enum:

Don't need oneOf when there is only 1 entry.


> +                  - nxp,sja1110-base-t1-mdio
> +                  - nxp,sja1110-base-tx-mdio
> +
> +          reg:
> +            oneOf:
> +              - enum:
> +                - 0
> +                - 1
> +
> +        required:
> +          - compatible
> +          - reg
> +
>  patternProperties:
>    "^(ethernet-)?ports$":
>      type: object
> --
> 2.25.1
>