linux-kernel - Re: [PATCH net-next v3 2/4] dt-bindings: net: ethernet-controller: add QUSGMII mode

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Message-ID: <YuSrzX+47vw7wGFI@lunn.ch>
Date:   Sat, 30 Jul 2022 05:55:57 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Maxime Chevallier <maxime.chevallier@...tlin.com>
Cc:     davem@...emloft.net, Rob Herring <robh+dt@...nel.org>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, thomas.petazzoni@...tlin.com,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        linux-arm-kernel@...ts.infradead.org,
        Richard Cochran <richardcochran@...il.com>,
        Horatiu.Vultur@...rochip.com, Allan.Nielsen@...rochip.com,
        UNGLinuxDriver@...rochip.com, Rob Herring <robh@...nel.org>
Subject: Re: [PATCH net-next v3 2/4] dt-bindings: net: ethernet-controller:
 add QUSGMII mode

On Fri, Jul 29, 2022 at 05:33:54PM +0200, Maxime Chevallier wrote:
> Add a new QUSGMII mode, standing for "Quad Universal Serial Gigabit
> Media Independent Interface", a derivative of USGMII which, similarly to
> QSGMII, allows to multiplex 4 1Gbps links to a Quad-PHY.
> 
> The main difference with QSGMII is that QUSGMII can include an extension
> instead of the standard 7bytes ethernet preamble, allowing to convey
> arbitrary data such as Timestamps.
> 
> Signed-off-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
> Acked-by: Rob Herring <robh@...nel.org>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew