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Received: from shell.armlinux.org.uk ([2002:4e20:1eda:1:5054:ff:fe00:4ec]:33290) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1i1W9d-0003Gx-Nu; Sat, 24 Aug 2019 14:32:29 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1i1W9Z-0002eV-Ei; Sat, 24 Aug 2019 14:32:25 +0100 Date: Sat, 24 Aug 2019 14:32:25 +0100 From: Russell King - ARM Linux admin To: =?iso-8859-1?Q?Ren=E9?= van Dorst Subject: Re: [PATCH net-next v3 2/3] net: ethernet: mediatek: Re-add support SGMII Message-ID: <20190824133225.GE13294@shell.armlinux.org.uk> References: <20190823134516.27559-1-opensource@vdorst.com> <20190823134516.27559-3-opensource@vdorst.com> <20190824092156.GD13294@shell.armlinux.org.uk> <20190824131117.Horde.vSCF_CQ5jCMHcSTWkh7Woxm@www.vdorst.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190824131117.Horde.vSCF_CQ5jCMHcSTWkh7Woxm@www.vdorst.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190824_063250_691242_EEEE5345 X-CRM114-Status: GOOD ( 11.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nelson Chang , Frank Wunderlich , netdev@vger.kernel.org, Sean Wang , linux-mips@vger.kernel.org, linux-mediatek@lists.infradead.org, John Crispin , Matthias Brugger , Stefan Roese , "David S . Miller" , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Ren=E9, On Sat, Aug 24, 2019 at 01:11:17PM +0000, Ren=E9 van Dorst wrote: > Hi Russell, > = > Mediatek calls it Turbo RGMII. It is a overclock version of RGMII mode. > It is used between first GMAC and port 6 of the mt7530 switch. Can be used > with > an internal and an external mt7530 switch. > = > TRGMII speed are: > * mt7621: 1200Mbit > * mt7623: 2000Mbit and 2600Mbit. > = > I think that TRGMII is only used in a fixed-link situation in combination > with a > mt7530 switch and running and maximum speed/full duplex. So reporting > 1000baseT_Full seems to me the right option. I think we can ignore this one for the purposes of merging this patch set, since this seems to be specific to this setup. Neither 1000BaseT nor 1000BaseX fit very well, but we have to choose something. > PHY_INTERFACE_MODE_GMII: > 10baseT_Half > 10baseT_Full > 100baseT_Half > 100baseT_Full > 1000baseT_Half > 1000baseT_Full I think GMII can be connected to a PHY that can convert to 1000BaseX, so should probably include that here too. Thanks. -- = RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps = up According to speedtest.net: 11.9Mbps down 500kbps up _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel