diff options
author | Vladimir Oltean <vladimir.oltean@nxp.com> | 2020-07-13 19:57:11 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2020-07-13 17:40:02 -0700 |
commit | 77710929da1359cfca1f214ffd5ad8f32f8d72ed (patch) | |
tree | ad2c6654d473e2f35604fae9f002fdc59b1bb315 | |
parent | 84705fc165526e8e55d208b2b10a48cc720a106a (diff) | |
download | linux-77710929da1359cfca1f214ffd5ad8f32f8d72ed.tar.gz linux-77710929da1359cfca1f214ffd5ad8f32f8d72ed.tar.bz2 linux-77710929da1359cfca1f214ffd5ad8f32f8d72ed.zip |
docs: devicetree: add bindings for Seville DSA switch inside Felix driver
There are no non-standard bindings being used. However Felix is a PCI
device and Seville is a platform device. So give an example of device
tree for this switch and document its compatible string.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | Documentation/devicetree/bindings/net/dsa/ocelot.txt | 105 |
1 files changed, 101 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/net/dsa/ocelot.txt b/Documentation/devicetree/bindings/net/dsa/ocelot.txt index 66a129fea705..7a271d070b72 100644 --- a/Documentation/devicetree/bindings/net/dsa/ocelot.txt +++ b/Documentation/devicetree/bindings/net/dsa/ocelot.txt @@ -4,10 +4,15 @@ Microchip Ocelot switch driver family Felix ----- -The VSC9959 core is currently the only switch supported by the driver, and is -found in the NXP LS1028A. It is a PCI device, part of the larger ENETC root -complex. As a result, the ethernet-switch node is a sub-node of the PCIe root -complex node and its "reg" property conforms to the parent node bindings: +Currently the switches supported by the felix driver are: + +- VSC9959 (Felix) +- VSC9953 (Seville) + +The VSC9959 switch is found in the NXP LS1028A. It is a PCI device, part of the +larger ENETC root complex. As a result, the ethernet-switch node is a sub-node +of the PCIe root complex node and its "reg" property conforms to the parent +node bindings: * reg: Specifies PCIe Device Number and Function Number of the endpoint device, in this case for the Ethernet L2Switch it is PF5 (of device 0, bus 0). @@ -114,3 +119,95 @@ Example: }; }; }; + +The VSC9953 switch is found inside NXP T1040. It is a platform device with the +following required properties: + +- compatible: + Must be "mscc,vsc9953-switch". + +Supported PHY interface types (appropriate SerDes protocol setting changes are +needed in the RCW binary): + +* phy_mode = "internal": on ports 8 and 9 +* phy_mode = "sgmii": on ports 0, 1, 2, 3, 4, 5, 6, 7 +* phy_mode = "qsgmii": on ports 0, 1, 2, 3, 4, 5, 6, 7 + +Example: + +&soc { + ethernet-switch@800000 { + #address-cells = <0x1>; + #size-cells = <0x0>; + compatible = "mscc,vsc9953-switch"; + little-endian; + reg = <0x800000 0x290000>; + + ports { + #address-cells = <0x1>; + #size-cells = <0x0>; + + port@0 { + reg = <0x0>; + label = "swp0"; + }; + + port@1 { + reg = <0x1>; + label = "swp1"; + }; + + port@2 { + reg = <0x2>; + label = "swp2"; + }; + + port@3 { + reg = <0x3>; + label = "swp3"; + }; + + port@4 { + reg = <0x4>; + label = "swp4"; + }; + + port@5 { + reg = <0x5>; + label = "swp5"; + }; + + port@6 { + reg = <0x6>; + label = "swp6"; + }; + + port@7 { + reg = <0x7>; + label = "swp7"; + }; + + port@8 { + reg = <0x8>; + phy-mode = "internal"; + ethernet = <&enet0>; + + fixed-link { + speed = <2500>; + full-duplex; + }; + }; + + port@9 { + reg = <0x9>; + phy-mode = "internal"; + status = "disabled"; + + fixed-link { + speed = <2500>; + full-duplex; + }; + }; + }; + }; +}; |