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 BCM11360 SoC, must be:
  18       "brcm,bcm11360-srab" and the mandatory "brcm,cygnus-srab" string
  19
  20   For the BCM5310x SoCs with an integrated switch, must be one of:
  21       "brcm,bcm53010-srab"
  22       "brcm,bcm53011-srab"
  23       "brcm,bcm53012-srab"
  24       "brcm,bcm53018-srab"
  25       "brcm,bcm53019-srab" and the mandatory "brcm,bcm5301x-srab" string
  26
  27   For the BCM585xx/586XX/88312 SoCs with an integrated switch, must be one of:
  28       "brcm,bcm58522-srab"
  29       "brcm,bcm58523-srab"
  30       "brcm,bcm58525-srab"
  31       "brcm,bcm58622-srab"
  32       "brcm,bcm58623-srab"
  33       "brcm,bcm58625-srab"
  34       "brcm,bcm88312-srab" and the mandatory "brcm,nsp-srab string
  35
  36   For the BCM63xx/33xx SoCs with an integrated switch, must be one of:
  37       "brcm,bcm3384-switch"
  38       "brcm,bcm6328-switch"
  39       "brcm,bcm6368-switch" and the mandatory "brcm,bcm63xx-switch"
  40
  41 See Documentation/devicetree/bindings/net/dsa/dsa.txt for a list of additional
  42 required and optional properties.
  43
  44 Examples:
  45
  46 Ethernet switch connected via MDIO to the host, CPU port wired to eth0:
  47
  48         eth0: ethernet@10001000 {
  49                 compatible = "brcm,unimac";
  50                 reg = <0x10001000 0x1000>;
  51
  52                 fixed-link {
  53                         speed = <1000>;
  54                         duplex-full;
  55                 };
  56         };
  57
  58         mdio0: mdio@10000000 {
  59                 compatible = "brcm,unimac-mdio";
  60                 #address-cells = <1>;
  61                 #size-cells = <0>;
  62
  63                 switch0: ethernet-switch@30 {
  64                         compatible = "brcm,bcm53125";
  65                         #address-cells = <1>;
  66                         #size-cells = <0>;
  67
  68                         ports {
  69                                 port0@0 {
  70                                         reg = <0>;
  71                                         label = "lan1";
  72                                 };
  73
  74                                 port1@1 {
  75                                         reg = <1>;
  76                                         label = "lan2";
  77                                 };
  78
  79                                 port5@5 {
  80                                         reg = <5>;
  81                                         label = "cable-modem";
  82                                         fixed-link {
  83                                                 speed = <1000>;
  84                                                 duplex-full;
  85                                         };
  86                                         phy-mode = "rgmii-txid";
  87                                 };
  88
  89                                 port8@8 {
  90                                         reg = <8>;
  91                                         label = "cpu";
  92                                         fixed-link {
  93                                                 speed = <1000>;
  94                                                 duplex-full;
  95                                         };
  96                                         phy-mode = "rgmii-txid";
  97                                         ethernet = <&eth0>;
  98                                 };
  99                         };
 100                 };
 101         };