Re: [PATCH v6 0/3] net: phy: Add xilinx gmiitorgmii converter support

From: David Miller
Date: Fri Aug 12 2016 - 19:58:11 EST


From: Kedareswara rao Appana <appana.durga.rao@xxxxxxxxxx>
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.