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 BCM5831X/BCM1140x SoCs with an integrated switch, must be one of:
  28       "brcm,bcm11404-srab"
  29       "brcm,bcm11407-srab"
  30       "brcm,bcm11409-srab"
  31       "brcm,bcm58310-srab"
  32       "brcm,bcm58311-srab"
  33       "brcm,bcm58313-srab" and the mandatory "brcm,omega-srab" string
  34
  35   For the BCM585xx/586XX/88312 SoCs with an integrated switch, must be one of:
  36       "brcm,bcm58522-srab"
  37       "brcm,bcm58523-srab"
  38       "brcm,bcm58525-srab"
  39       "brcm,bcm58622-srab"
  40       "brcm,bcm58623-srab"
  41       "brcm,bcm58625-srab"
  42       "brcm,bcm88312-srab" and the mandatory "brcm,nsp-srab string
  43
  44   For the BCM63xx/33xx SoCs with an integrated switch, must be one of:
  45       "brcm,bcm3384-switch"
  46       "brcm,bcm6328-switch"
  47       "brcm,bcm6368-switch" and the mandatory "brcm,bcm63xx-switch"
  48
  49 See Documentation/devicetree/bindings/net/dsa/dsa.txt for a list of additional
  50 required and optional properties.
  51
  52 Examples:
  53
  54 Ethernet switch connected via MDIO to the host, CPU port wired to eth0:
  55
  56         eth0: ethernet@10001000 {
  57                 compatible = "brcm,unimac";
  58                 reg = <0x10001000 0x1000>;
  59
  60                 fixed-link {
  61                         speed = <1000>;
  62                         duplex-full;
  63                 };
  64         };
  65
  66         mdio0: mdio@10000000 {
  67                 compatible = "brcm,unimac-mdio";
  68                 #address-cells = <1>;
  69                 #size-cells = <0>;
  70
  71                 switch0: ethernet-switch@30 {
  72                         compatible = "brcm,bcm53125";
  73                         #address-cells = <1>;
  74                         #size-cells = <0>;
  75
  76                         ports {
  77                                 port0@0 {
  78                                         reg = <0>;
  79                                         label = "lan1";
  80                                 };
  81
  82                                 port1@1 {
  83                                         reg = <1>;
  84                                         label = "lan2";
  85                                 };
  86
  87                                 port5@5 {
  88                                         reg = <5>;
  89                                         label = "cable-modem";
  90                                         fixed-link {
  91                                                 speed = <1000>;
  92                                                 duplex-full;
  93                                         };
  94                                         phy-mode = "rgmii-txid";
  95                                 };
  96
  97                                 port8@8 {
  98                                         reg = <8>;
  99                                         label = "cpu";
 100                                         fixed-link {
 101                                                 speed = <1000>;
 102                                                 duplex-full;
 103                                         };
 104                                         phy-mode = "rgmii-txid";
 105                                         ethernet = <&eth0>;
 106                                 };
 107                         };
 108                 };
 109         };