Re: [PATCH v4] dt-bindings: net: dsa: ksz9477: add sample of switch bindings managed in i2c mode

[Rob Herring <robh@xxxxxxxxxx>]

On Wed, Dec 19, 2018 at 08:46:26PM +0100, Sergio Paracuellos wrote:
> Add device-tree binding example of the ksz9477 switch managed in i2c mode.
> 
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Sergio Paracuellos <sergio.paracuellos@xxxxxxxxx>
> ---
> Changes v4:
>     - Use one tab formatting properly the binding sample.
> 
> Changes v3:
>     - No changes. Just resent patches together.
> 
> Changes v2:
>     - Use generic name for label of the switch and make sure reg and @X
>       have the same value.
>  .../devicetree/bindings/net/dsa/ksz.txt       | 51 +++++++++++++++++++
>  1 file changed, 51 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/dsa/ksz.txt b/Documentation/devicetree/bindings/net/dsa/ksz.txt
> index 0f407fb371ce..2f276aa42f0b 100644
> --- a/Documentation/devicetree/bindings/net/dsa/ksz.txt
> +++ b/Documentation/devicetree/bindings/net/dsa/ksz.txt
> @@ -74,3 +74,54 @@ Ethernet switch connected via SPI to the host, CPU port wired to eth0:
>                                                               };
>                                               };
>                               };
> +
> +Ethernet switch connected via I2C to the host, CPU port wired to eth0:
> +
> +	eth0: ethernet@10001000 {
> +		fixed-link {
> +			speed = <1000>;
> +			full-duplex;
> +		};
> +	};
> +
> +	i2c0: i2c@f8008000 {
> +		switch: ksz9897@5f {
> +			compatible = "microchip,ksz9897";
> +			reg = <5f>;
> +

I should have said this earlier, but this example doesn't really show 
anything other than differences in reg and bus-specific properties which 
are pretty well understood. So I don't really think it is worth adding 
the example.

> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@0 {
> +					reg = <0>;
> +					label = "lan1";
> +				};
> +				port@1 {
> +					reg = <1>;
> +					label = "lan2";
> +				};
> +				port@2 {
> +					reg = <2>;
> +					label = "lan3";
> +				};
> +				port@3 {
> +					reg = <3>;
> +					label = "lan4";
> +				};
> +				port@4 {
> +					reg = <4>;
> +					label = "lan5";
> +				};
> +				port@6 {
> +					reg = <6>;
> +					label = "cpu";
> +					ethernet = <&eth0>;
> +					fixed-link {
> +						speed = <1000>;
> +						full-duplex;
> +					};
> +				};
> +			};
> +		};
> +	};
> -- 
> 2.19.1
> 
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