netdev - Re: [PATCH net-next v1 1/2] net: dsa: mv88e6xxx: Default CMODE to 1000BaseX only on 6390X

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Date:   Thu, 24 Jan 2019 19:11:59 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Marek Behun <marek.behun@....cz>
Cc:     netdev@...r.kernel.org, Florian Fainelli <f.fainelli@...il.com>,
        David Miller <davem@...emloft.net>
Subject: Re: [PATCH net-next v1 1/2] net: dsa: mv88e6xxx: Default CMODE to
 1000BaseX only on 6390X

On Thu, Jan 24, 2019 at 07:04:51PM +0100, Marek Behun wrote:
> What properties does the cpu port node need to contain to force it?
> phy-mode = "2500base-x"; is not enough.

Hi Marek

For DSA ports we have:

                                                phy-mode = "rgmii-txid";
                                                fixed-link {
                                                        speed = <1000>;
                                                        full-duplex;
                                                };

See dsa_port_fixed_link_register_of()

    Andrew