Re: [PATCH 3/3] arm64: dts: ti: k3-am642-evm: add overlay for icssg1 2nd port

[Andrew Lunn]

> +	mdio-mux-2 {
> +		compatible = "mdio-mux-multiplexer";
> +		mux-controls = <&mdio_mux>;
> +		mdio-parent-bus = <&icssg1_mdio>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		mdio@0 {
> +			reg = <0x0>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			icssg1_phy2: ethernet-phy@3 {
> +				reg = <3>;
> +				tx-internal-delay-ps = <250>;
> +				rx-internal-delay-ps = <2000>;
> +			};
> +		};

That looks odd. A mux generally has > 1 mdio bus. Otherwise its not
really a mux.

And this mux hardware exists all the time right? So it should be in
the .dtsi file.

	Andrew