Documentation/devicetree/bindings/net/dsa/lantiq-gswip.txt

   1 Lantiq GSWIP Ethernet switches
   2 ==================================
   3
   4 Required properties for GSWIP core:
   5
   6 - compatible    : "lantiq,xrx200-gswip" for the embedded GSWIP in the
   7                   xRX200 SoC
   8                   "lantiq,xrx300-gswip" for the embedded GSWIP in the
   9                   xRX300 SoC
  10                   "lantiq,xrx330-gswip" for the embedded GSWIP in the
  11                   xRX330 SoC
  12 - reg           : memory range of the GSWIP core registers
  13                 : memory range of the GSWIP MDIO registers
  14                 : memory range of the GSWIP MII registers
  15
  16 See Documentation/devicetree/bindings/net/dsa/dsa.txt for a list of
  17 additional required and optional properties.
  18
  19
  20 Required properties for MDIO bus:
  21 - compatible    : "lantiq,xrx200-mdio" for the MDIO bus inside the GSWIP
  22                   core of the xRX200 SoC and the PHYs connected to it.
  23
  24 See Documentation/devicetree/bindings/net/mdio.txt for a list of additional
  25 required and optional properties.
  26
  27
  28 Required properties for GPHY firmware loading:
  29 - compatible    : "lantiq,xrx200-gphy-fw", "lantiq,gphy-fw"
  30                   "lantiq,xrx300-gphy-fw", "lantiq,gphy-fw"
  31                   "lantiq,xrx330-gphy-fw", "lantiq,gphy-fw"
  32                   for the loading of the firmware into the embedded
  33                   GPHY core of the SoC.
  34 - lantiq,rcu    : reference to the rcu syscon
  35
  36 The GPHY firmware loader has a list of GPHY entries, one for each
  37 embedded GPHY
  38
  39 - reg           : Offset of the GPHY firmware register in the RCU
  40                   register range
  41 - resets        : list of resets of the embedded GPHY
  42 - reset-names   : list of names of the resets
  43
  44 Example:
  45
  46 Ethernet switch on the VRX200 SoC:
  47
  48 switch@e108000 {
  49         #address-cells = <1>;
  50         #size-cells = <0>;
  51         compatible = "lantiq,xrx200-gswip";
  52         reg = < 0xe108000 0x3100        /* switch */
  53                 0xe10b100 0xd8          /* mdio */
  54                 0xe10b1d8 0x130         /* mii */
  55                 >;
  56         dsa,member = <0 0>;
  57
  58         ports {
  59                 #address-cells = <1>;
  60                 #size-cells = <0>;
  61
  62                 port@0 {
  63                         reg = <0>;
  64                         label = "lan3";
  65                         phy-mode = "rgmii";
  66                         phy-handle = <&phy0>;
  67                 };
  68
  69                 port@1 {
  70                         reg = <1>;
  71                         label = "lan4";
  72                         phy-mode = "rgmii";
  73                         phy-handle = <&phy1>;
  74                 };
  75
  76                 port@2 {
  77                         reg = <2>;
  78                         label = "lan2";
  79                         phy-mode = "internal";
  80                         phy-handle = <&phy11>;
  81                 };
  82
  83                 port@4 {
  84                         reg = <4>;
  85                         label = "lan1";
  86                         phy-mode = "internal";
  87                         phy-handle = <&phy13>;
  88                 };
  89
  90                 port@5 {
  91                         reg = <5>;
  92                         label = "wan";
  93                         phy-mode = "rgmii";
  94                         phy-handle = <&phy5>;
  95                 };
  96
  97                 port@6 {
  98                         reg = <0x6>;
  99                         ethernet = <&eth0>;
 100                 };
 101         };
 102
 103         mdio {
 104                 #address-cells = <1>;
 105                 #size-cells = <0>;
 106                 compatible = "lantiq,xrx200-mdio";
 107                 reg = <0>;
 108
 109                 phy0: ethernet-phy@0 {
 110                         reg = <0x0>;
 111                 };
 112                 phy1: ethernet-phy@1 {
 113                         reg = <0x1>;
 114                 };
 115                 phy5: ethernet-phy@5 {
 116                         reg = <0x5>;
 117                 };
 118                 phy11: ethernet-phy@11 {
 119                         reg = <0x11>;
 120                 };
 121                 phy13: ethernet-phy@13 {
 122                         reg = <0x13>;
 123                 };
 124         };
 125
 126         gphy-fw {
 127                 compatible = "lantiq,xrx200-gphy-fw", "lantiq,gphy-fw";
 128                 lantiq,rcu = <&rcu0>;
 129                 #address-cells = <1>;
 130                 #size-cells = <0>;
 131
 132                 gphy@20 {
 133                         reg = <0x20>;
 134
 135                         resets = <&reset0 31 30>;
 136                         reset-names = "gphy";
 137                 };
 138
 139                 gphy@68 {
 140                         reg = <0x68>;
 141
 142                         resets = <&reset0 29 28>;
 143                         reset-names = "gphy";
 144                 };
 145         };
 146 };