Re: [net-next v5 1/3] dt-bindings: net: dsa: yt921x: Add Motorcomm YT921x switch support

[Andrew Lunn]

> +        switch@1d {
> +            compatible = "motorcomm,yt9215";
> +            /* default 0x1d, alternate 0x0 */
> +            reg = <0x1d>;

Just curious, what does alternative 0x0 mean? Does this switch have
only one strapping pin for address, so it either uses address 0x1d or
0x0?

	Andrew