[PATCH v6 2/3] Documentation: DT: net: Add Xilinx gmiitorgmii converter device tree binding documentation
From: Kedareswara rao Appana <appana.durga.rao@xilinx.com>
Date: 2016-08-10 18:24:11
Also in:
linux-arm-kernel, lkml, netdev
Subsystem:
networking drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Device-tree binding documentation for xilinx gmiitorgmii converter. Signed-off-by: Kedareswara rao Appana <redacted> --- 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>; + }; + };
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2.1.2