Add device-tree binding for ar8xxx switch families. Cc: devicetree@xxxxxxxxxxxxxxx Signed-off-by: John Crispin <john@xxxxxxxxxxx> --- Changes in V2 * fixup example to include phy nodes and corresponding phandles * add a note explaining why we need to phy nodes Changes in V3 * add note stating that the cpu port is always 0 .../devicetree/bindings/net/dsa/qca8k.txt | 89 ++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/dsa/qca8k.txt diff --git a/Documentation/devicetree/bindings/net/dsa/qca8k.txt b/Documentation/devicetree/bindings/net/dsa/qca8k.txt new file mode 100644 index 0000000..9c67ee4 --- /dev/null +++ b/Documentation/devicetree/bindings/net/dsa/qca8k.txt @@ -0,0 +1,89 @@ +* Qualcomm Atheros QCA8xxx switch family + +Required properties: + +- compatible: should be "qca,qca8337" +- #size-cells: must be 0 +- #address-cells: must be 1 + +Subnodes: + +The integrated switch subnode should be specified according to the binding +described in dsa/dsa.txt. As the QCA8K switches do not have a N:N mapping of +port and PHY id, each subnode describing a port needs to have a valid phandle +referencing the internal PHY connected to it. The CPU port of this switch is +always port 0. + +Example: + + + &mdio0 { + phy_port1: phy@0 { + reg = <0>; + }; + + phy_port2: phy@1 { + reg = <1>; + }; + + phy_port3: phy@2 { + reg = <2>; + }; + + phy_port4: phy@3 { + reg = <3>; + }; + + phy_port5: phy@4 { + reg = <4>; + }; + + switch0@0 { + compatible = "qca,qca8337"; + #address-cells = <1>; + #size-cells = <0>; + + reg = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + label = "cpu"; + ethernet = <&gmac1>; + phy-mode = "rgmii"; + }; + + port@1 { + reg = <1>; + label = "lan1"; + phy-handle = <&phy_port1>; + }; + + port@2 { + reg = <2>; + label = "lan2"; + phy-handle = <&phy_port2>; + }; + + port@3 { + reg = <3>; + label = "lan3"; + phy-handle = <&phy_port3>; + }; + + port@4 { + reg = <4>; + label = "lan4"; + phy-handle = <&phy_port4>; + }; + + port@5 { + reg = <5>; + label = "wan"; + phy-handle = <&phy_port5>; + }; + }; + }; + }; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html