Documentation/devicetree/bindings/net/dsa/b53.txt

   1 Broadcom BCM53xx Ethernet switches
   2 ==================================
   3
   4 Required properties:
   5
   6 - compatible: For external switch chips, compatible string must be exactly one
   7   of: "brcm,bcm5325"
   8       "brcm,bcm53115"
   9       "brcm,bcm53125"
  10       "brcm,bcm53128"
  11       "brcm,bcm5365"
  12       "brcm,bcm5395"
  13       "brcm,bcm5389"
  14       "brcm,bcm5397"
  15       "brcm,bcm5398"
  16
  17   For the BCM5310x SoCs with an integrated switch, must be one of:
  18       "brcm,bcm53010-srab"
  19       "brcm,bcm53011-srab"
  20       "brcm,bcm53012-srab"
  21       "brcm,bcm53018-srab"
  22       "brcm,bcm53019-srab" and the mandatory "brcm,bcm5301x-srab" string
  23
  24   For the BCM585xx/586XX/88312 SoCs with an integrated switch, must be one of:
  25       "brcm,bcm58522-srab"
  26       "brcm,bcm58523-srab"
  27       "brcm,bcm58525-srab"
  28       "brcm,bcm58622-srab"
  29       "brcm,bcm58623-srab"
  30       "brcm,bcm58625-srab"
  31       "brcm,bcm88312-srab" and the mandatory "brcm,nsp-srab string
  32
  33   For the BCM63xx/33xx SoCs with an integrated switch, must be one of:
  34       "brcm,bcm3384-switch"
  35       "brcm,bcm6328-switch"
  36       "brcm,bcm6368-switch" and the mandatory "brcm,bcm63xx-switch"
  37
  38 See Documentation/devicetree/bindings/dsa/dsa.txt for a list of additional
  39 required and optional properties.
  40
  41 Examples:
  42
  43 Ethernet switch connected via MDIO to the host, CPU port wired to eth0:
  44
  45         eth0: ethernet@10001000 {
  46                 compatible = "brcm,unimac";
  47                 reg = <0x10001000 0x1000>;
  48
  49                 fixed-link {
  50                         speed = <1000>;
  51                         duplex-full;
  52                 };
  53         };
  54
  55         mdio0: mdio@10000000 {
  56                 compatible = "brcm,unimac-mdio";
  57                 #address-cells = <1>;
  58                 #size-cells = <0>;
  59
  60                 switch0: ethernet-switch@30 {
  61                         compatible = "brcm,bcm53125";
  62                         #address-cells = <1>;
  63                         #size-cells = <0>;
  64
  65                         ports {
  66                                 port0@0 {
  67                                         reg = <0>;
  68                                         label = "lan1";
  69                                 };
  70
  71                                 port1@1 {
  72                                         reg = <1>;
  73                                         label = "lan2";
  74                                 };
  75
  76                                 port5@5 {
  77                                         reg = <5>;
  78                                         label = "cable-modem";
  79                                         fixed-link {
  80                                                 speed = <1000>;
  81                                                 duplex-full;
  82                                         };
  83                                         phy-mode = "rgmii-txid";
  84                                 };
  85
  86                                 port8@8 {
  87                                         reg = <8>;
  88                                         label = "cpu";
  89                                         fixed-link {
  90                                                 speed = <1000>;
  91                                                 duplex-full;
  92                                         };
  93                                         phy-mode = "rgmii-txid";
  94                                         ethernet = <&eth0>;
  95                                 };
  96                         };
  97                 };
  98         };