netdev - Re: [PATCH net-next 1/3] net: ethernet: mediatek: add extension of phy-mode for TRGMII

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Message-ID: <064d43fb-2942-efd2-6dc7-09f47a256691@gmail.com>
Date:   Tue, 20 Sep 2016 14:23:24 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     sean.wang@...iatek.com, john@...ozen.org, davem@...emloft.net
Cc:     nbd@...nwrt.org, netdev@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, keyhaede@...il.com,
        objelf@...il.com
Subject: Re: [PATCH net-next 1/3] net: ethernet: mediatek: add extension of
 phy-mode for TRGMII

On 09/20/2016 12:59 AM, sean.wang@...iatek.com wrote:
> From: Sean Wang <sean.wang@...iatek.com>
> 
> adds PHY-mode "trgmii" as an extension for the operation
> mode of the PHY interface, TRGMII can be compatible with
> RGMII, so the extended mode doesn't really have effects on
> the target MAC and PHY, is used as the indication if the
> current MAC is connected to an internal switch or external
> PHY respectively by the given configuration on the board and
> then to perform the corresponding setup on TRGMII hardware
> module.

Based on my googling, it seems like Turbo RGMII is a Mediatek-specific
thing for now, but this could become standard and used by other vendors
at some point, so I would be inclined to just extend the phy-mode
property to support trgmii as another interface type.

If you do so, do you also mind proposing an update to the Device Tree
specification:

https://www.devicetree.org/specifications/

Thanks!
-- 
Florian