linux-kernel - Re: [PATCH 2/2] arm64: dts: marvell: eDPU: add support for version with external switch

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Date:   Thu, 14 Sep 2023 14:51:51 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Robert Marko <robert.marko@...tura.hr>
Cc:     gregory.clement@...tlin.com, sebastian.hesselbarth@...il.com,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        luka.perkov@...tura.hr
Subject: Re: [PATCH 2/2] arm64: dts: marvell: eDPU: add support for version
 with external switch

> +&mdio {
> +	status = "disabled";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&smi_pins>;
> +
> +	/* Actual device is MV88E6361 */
> +	switch: switch@0 {
> +		compatible = "marvell,mv88e6190";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		reg = <0>;
> +		status = "disabled";
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +				label = "cpu";
> +				phy-mode = "2500base-x";
> +				managed = "in-band-status";
> +				ethernet = <&eth0>;
> +			};
> +

So ports 1 through 7 are completely unused? 

> +			port@9 {
> +				reg = <9>;
> +				label = "downlink";
> +				phy-mode = "2500base-x";
> +				managed = "in-band-status";
> +			};

	Andrew