From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kedareswara rao Appana Subject: [PATCH v6 2/3] Documentation: DT: net: Add Xilinx gmiitorgmii converter device tree binding documentation Date: Wed, 10 Aug 2016 11:20:07 +0530 Message-ID: <1470808208-32133-3-git-send-email-appanad@xilinx.com> References: <1470808208-32133-1-git-send-email-appanad@xilinx.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1470808208-32133-1-git-send-email-appanad@xilinx.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: robh+dt@kernel.org, mark.rutland@arm.com, michal.simek@xilinx.com, soren.brinkmann@xilinx.com, appanad@xilinx.com, f.fainelli@gmail.com, andrew@lunn.ch, punnaia@xilinx.com Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org List-Id: devicetree@vger.kernel.org Device-tree binding documentation for xilinx gmiitorgmii converter. Signed-off-by: Kedareswara rao Appana --- Changes for v6: ---> Removed mdio description as suggested by Florian. Changes for v5: ---> Fixed Indentation in the example as suggested by Michal. Changes for v4: --> Modified compatible as suggested by Rob. --> Removed underscores from the converter node name as suggested by Rob. Changes for v3: --> None. Changes for v2: --> New patch .../devicetree/bindings/net/xilinx_gmii2rgmii.txt | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/xilinx_gmii2rgmii.txt diff --git a/Documentation/devicetree/bindings/net/xilinx_gmii2rgmii.txt b/Documentation/devicetree/bindings/net/xilinx_gmii2rgmii.txt new file mode 100644 index 0000000..038dda4 --- /dev/null +++ b/Documentation/devicetree/bindings/net/xilinx_gmii2rgmii.txt @@ -0,0 +1,35 @@ +XILINX GMIITORGMII Converter Driver Device Tree Bindings +-------------------------------------------------------- + +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. + +This converter sits between the ethernet MAC and the external phy. +MAC <==> GMII2RGMII <==> RGMII_PHY + +For more details about mdio please refer phy.txt file in the same directory. + +Required properties: +- compatible : Should be "xlnx,gmii-to-rgmii-1.0" +- reg : The ID number for the phy, usually a small integer +- phy-handle : Should point to the external phy device. + See ethernet.txt file in the same directory. + +Example: + mdio { + #address-cells = <1>; + #size-cells = <0>; + phy: ethernet-phy@0 { + ...... + }; + gmiitorgmii: gmiitorgmii@8 { + compatible = "xlnx,gmii-to-rgmii-1.0"; + reg = <8>; + phy-handle = <&phy>; + }; + }; -- 2.1.2