linux-kernel - Re: [PATCH net-next v3 3/6] dt-bindings: net: dsa: add new MT7531 binding to support MT7531

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Message-ID: <20200905163706.60cdceb5@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Sat, 5 Sep 2020 16:37:06 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Landen Chao <landen.chao@...iatek.com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Russell King <linux@...linux.org.uk>, <netdev@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <frank-w@...lic-files.de>,
        <opensource@...rst.com>, <dqfext@...il.com>
Subject: Re: [PATCH net-next v3 3/6] dt-bindings: net: dsa: add new MT7531
 binding to support MT7531

On Fri, 4 Sep 2020 22:21:58 +0800 Landen Chao wrote:
> @@ -32,10 +33,13 @@ Required properties for the child nodes within ports container:
>  
>  - reg: Port address described must be 6 for CPU port and from 0 to 5 for
>  	user ports.
> -- phy-mode: String, must be either "trgmii" or "rgmii" for port labeled
> -	 "cpu".
> +- phy-mode: String, the follow value would be acceptable for port labeled "cpu"

... the following values are acceptable for port labeled "cpu":

> +	If compatible mediatek,mt7530 or mediatek,mt7621 is set,
> +	must be either "trgmii" or "rgmii"
> +	If compatible mediatek,mt7531 is set,
> +	must be either "sgmii", "1000base-x" or "2500base-x"