From mboxrd@z Thu Jan 1 00:00:00 1970 From: davem@davemloft.net (David Miller) Date: Fri, 12 Aug 2016 16:57:53 -0700 (PDT) Subject: [PATCH v6 0/3] net: phy: Add xilinx gmiitorgmii converter support In-Reply-To: <1470808208-32133-1-git-send-email-appanad@xilinx.com> References: <1470808208-32133-1-git-send-email-appanad@xilinx.com> Message-ID: <20160812.165753.1652467337612232120.davem@davemloft.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Kedareswara rao Appana Date: Wed, 10 Aug 2016 11:20:05 +0530 > The Gigabit Media Independent Interface (GMII) to Reduced Gigabit Media > Independent Interface (RGMII) core provides the RGMII between RGMII-compliant > Ethernet physical media devices (PHY) and the Gigabit Ethernet controller. > This core can be used in all three modes of operation(10/100/1000 Mb/s). > The Management Data Input/Output (MDIO) interface is used to configure the > Speed of operation. This core can switch dynamically between the three > Different speed modes by configuring the conveter register through mdio write. > > The conveter sits b/w the MAC and external phy like below > > MACB <==> GMII2RGMII <==> RGMII_PHY > > MDIO <========> GMII2RGMII > MCAB <=======> > <========> RGMII > > Using MAC MDIO bus we can access both the converter and the external PHY. > We need to program the line speed of the converter during run time based > On the external phy negotiated speed. > > This patch series does the below > ---> Add mask for Control register 10Mbps speed. > ---> Add support for xilinx gmiitorgmii converter. Series applied, thanks.