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Diffstat (limited to 'Documentation/devicetree/bindings/net/dsa/dsa.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/net/dsa/dsa.txt | 255 |
1 files changed, 1 insertions, 254 deletions
diff --git a/Documentation/devicetree/bindings/net/dsa/dsa.txt b/Documentation/devicetree/bindings/net/dsa/dsa.txt index f66bb7ecdb82..bf7328aba330 100644 --- a/Documentation/devicetree/bindings/net/dsa/dsa.txt +++ b/Documentation/devicetree/bindings/net/dsa/dsa.txt @@ -1,257 +1,4 @@ Distributed Switch Architecture Device Tree Bindings ---------------------------------------------------- -Switches are true Linux devices and can be probed by any means. Once -probed, they register to the DSA framework, passing a node -pointer. This node is expected to fulfil the following binding, and -may contain additional properties as required by the device it is -embedded within. - -Required properties: - -- ports : A container for child nodes representing switch ports. - -Optional properties: - -- dsa,member : A two element list indicates which DSA cluster, and position - within the cluster a switch takes. <0 0> is cluster 0, - switch 0. <0 1> is cluster 0, switch 1. <1 0> is cluster 1, - switch 0. A switch not part of any cluster (single device - hanging off a CPU port) must not specify this property - -The ports container has the following properties - -Required properties: - -- #address-cells : Must be 1 -- #size-cells : Must be 0 - -Each port children node must have the following mandatory properties: -- reg : Describes the port address in the switch - -An uplink/downlink port between switches in the cluster has the following -mandatory property: - -- link : Should be a list of phandles to other switch's DSA - port. This port is used as the outgoing port - towards the phandle ports. The full routing - information must be given, not just the one hop - routes to neighbouring switches. - -A CPU port has the following mandatory property: - -- ethernet : Should be a phandle to a valid Ethernet device node. - This host device is what the switch port is - connected to. - -A user port has the following optional property: - -- label : Describes the label associated with this port, which - will become the netdev name. - -Port child nodes may also contain the following optional standardised -properties, described in binding documents: - -- phy-handle : Phandle to a PHY on an MDIO bus. See - Documentation/devicetree/bindings/net/ethernet.txt - for details. - -- phy-mode : See - Documentation/devicetree/bindings/net/ethernet.txt - for details. - -- fixed-link : Fixed-link subnode describing a link to a non-MDIO - managed entity. See - Documentation/devicetree/bindings/net/fixed-link.txt - for details. - -The MAC address will be determined using the optional properties -defined in ethernet.txt. - -Example - -The following example shows three switches on three MDIO busses, -linked into one DSA cluster. - -&mdio1 { - #address-cells = <1>; - #size-cells = <0>; - - switch0: switch0@0 { - compatible = "marvell,mv88e6085"; - reg = <0>; - - dsa,member = <0 0>; - - ports { - #address-cells = <1>; - #size-cells = <0>; - port@0 { - reg = <0>; - label = "lan0"; - }; - - port@1 { - reg = <1>; - label = "lan1"; - local-mac-address = [00 00 00 00 00 00]; - }; - - port@2 { - reg = <2>; - label = "lan2"; - }; - - switch0port5: port@5 { - reg = <5>; - phy-mode = "rgmii-txid"; - link = <&switch1port6 - &switch2port9>; - fixed-link { - speed = <1000>; - full-duplex; - }; - }; - - port@6 { - reg = <6>; - ethernet = <&fec1>; - fixed-link { - speed = <100>; - full-duplex; - }; - }; - }; - }; -}; - -&mdio2 { - #address-cells = <1>; - #size-cells = <0>; - - switch1: switch1@0 { - compatible = "marvell,mv88e6085"; - reg = <0>; - - dsa,member = <0 1>; - - ports { - #address-cells = <1>; - #size-cells = <0>; - port@0 { - reg = <0>; - label = "lan3"; - phy-handle = <&switch1phy0>; - }; - - port@1 { - reg = <1>; - label = "lan4"; - phy-handle = <&switch1phy1>; - }; - - port@2 { - reg = <2>; - label = "lan5"; - phy-handle = <&switch1phy2>; - }; - - switch1port5: port@5 { - reg = <5>; - link = <&switch2port9>; - phy-mode = "rgmii-txid"; - fixed-link { - speed = <1000>; - full-duplex; - }; - }; - - switch1port6: port@6 { - reg = <6>; - phy-mode = "rgmii-txid"; - link = <&switch0port5>; - fixed-link { - speed = <1000>; - full-duplex; - }; - }; - }; - mdio-bus { - #address-cells = <1>; - #size-cells = <0>; - switch1phy0: switch1phy0@0 { - reg = <0>; - }; - switch1phy1: switch1phy0@1 { - reg = <1>; - }; - switch1phy2: switch1phy0@2 { - reg = <2>; - }; - }; - }; -}; - -&mdio4 { - #address-cells = <1>; - #size-cells = <0>; - - switch2: switch2@0 { - compatible = "marvell,mv88e6085"; - reg = <0>; - - dsa,member = <0 2>; - - ports { - #address-cells = <1>; - #size-cells = <0>; - port@0 { - reg = <0>; - label = "lan6"; - }; - - port@1 { - reg = <1>; - label = "lan7"; - }; - - port@2 { - reg = <2>; - label = "lan8"; - }; - - port@3 { - reg = <3>; - label = "optical3"; - fixed-link { - speed = <1000>; - full-duplex; - link-gpios = <&gpio6 2 - GPIO_ACTIVE_HIGH>; - }; - }; - - port@4 { - reg = <4>; - label = "optical4"; - fixed-link { - speed = <1000>; - full-duplex; - link-gpios = <&gpio6 3 - GPIO_ACTIVE_HIGH>; - }; - }; - - switch2port9: port@9 { - reg = <9>; - phy-mode = "rgmii-txid"; - link = <&switch1port5 - &switch0port5>; - fixed-link { - speed = <1000>; - full-duplex; - }; - }; - }; - }; -}; +See Documentation/devicetree/bindings/net/dsa/dsa.yaml for the documenation. |