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Date:   Mon, 28 Jun 2021 15:23:02 +0200
From:   Andrew Lunn <andrew@lunn.ch>
To:     Lukasz Majewski <lukma@denx.de>
Cc:     "David S . Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Madalin Bucur <madalin.bucur@oss.nxp.com>,
        Nicolas Ferre <nicolas.ferre@microchip.com>,
        Joakim Zhang <qiangqing.zhang@nxp.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Vladimir Oltean <olteanv@gmail.com>, netdev@vger.kernel.org,
        Arnd Bergmann <arnd@arndb.de>,
        Mark Einon <mark.einon@gmail.com>,
        NXP Linux Team <linux-imx@nxp.com>,
        linux-kernel@vger.kernel.org
Subject: Re: [RFC 2/3] net: Provide switchdev driver for NXP's More Than IP
 L2 switch
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> The best I could get would be:
> 
> &eth_switch {
> 	compatible = "imx,mtip-l2switch";
> 	reg = <0x800f8000 0x400>, <0x800fC000 0x4000>;
> 
> 	interrupts = <100>;
> 	status = "okay";
> 
> 	ethernet-ports {
> 		port1@1 {
> 			reg = <1>;
> 			label = "eth0";
> 			phys = <&mac0 0>;
> 		};
> 
> 		port2@2 {
> 			reg = <2>;
> 			label = "eth1";
> 			phys = <&mac1 1>;
> 		};
> 	};
> };
> 
> Which would abuse the "phys" properties usages - as 'mac[01]' are
> referring to ethernet controllers.

This is not how a dedicated driver would have its binding. We should
not establish this as ABI.

So, sorry, but no.

    Andrew