From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] net: ethernet: mvneta: add support for 2.5G DRSGMII mode Date: Wed, 25 Jan 2017 12:38:06 -0500 (EST) Message-ID: <20170125.123806.790914338952471404.davem@davemloft.net> References: <20170123142206.5390-1-jlu@pengutronix.de> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20170123142206.5390-1-jlu-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: jlu-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org, f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org List-Id: devicetree@vger.kernel.org From: Jan Luebbe Date: Mon, 23 Jan 2017 15:22:06 +0100 > The Marvell MVNETA Ethernet controller supports a 2.5 Gbps SGMII mode > called DRSGMII. > > This patch adds a corresponding phy-mode string 'drsgmii' and parses it > from DT. The MVNETA then configures the SERDES protocol value > accordingly. > > It was successfully tested on a MV78460 connected to a FPGA. > > Signed-off-by: Jan Luebbe I still haven't seen a sufficient explanation as to why this change works without any explicit MAC programming changes to this driver. That really needs to be explained before I will apply this patch. Thanks. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html