From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kedareswara rao Appana Subject: [RFC PATCH v3 1/2] Documentation: DT: net: Add Xilinx gmiitorgmii converter device tree binding documentation Date: Thu, 4 Aug 2016 17:43:08 +0530 Message-ID: <1470312789-28275-1-git-send-email-appanad@xilinx.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.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, anirudh@xilinx.com Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.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 v3: --> None. Changes for v2: --> New patch. .../devicetree/bindings/net/xilinx_gmii2rgmii.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 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..79fa504 --- /dev/null +++ b/Documentation/devicetree/bindings/net/xilinx_gmii2rgmii.txt @@ -0,0 +1,32 @@ +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. + +The MDIO is a bus to which the PHY devices are connected. For each +device that exists on this bus, a child node should be created. See +the definition of the PHY node in booting-without-of.txt for an example +of how to define a PHY. + +Required properties: + - compatible : Should be "xilinx,gmiitorgmii" + - reg : The ID number for the phy, usually a small integer + +Example: + mdio { + #address-cells = <1>; + #size-cells = <0>; + ethernet-phy@0 { + ...... + }; + gmii_to_rgmii: gmii_to_rgmii@8 { + compatible = "xilinx,gmiitorgmii"; + reg = <8>; + }; + }; -- 2.1.2