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