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 Required properties for BCM585xx/586xx/88312 SoCs:
  50
  51  - reg: a total of 3 register base addresses, the first one must be the
  52    Switch Register Access block base, the second is the port 5/4 mux
  53    configuration register and the third one is the SGMII configuration
  54    and status register base address.
  55
  56  - interrupts: a total of 13 interrupts must be specified, in the following
  57    order: port 0-5, 7-8 link status change, then the integrated PHY interrupt,
  58    then the timestamping interrupt and the sleep timer interrupts for ports
  59    5,7,8.
  60
  61 Optional properties for BCM585xx/586xx/88312 SoCs:
  62
  63   - reg-names: a total of 3 names matching the 3 base register address, must
  64     be in the following order:
  65         "srab"
  66         "mux_config"
  67         "sgmii_config"
  68
  69   - interrupt-names: a total of 13 names matching the 13 interrupts specified
  70     must be in the following order:
  71         "link_state_p0"
  72         "link_state_p1"
  73         "link_state_p2"
  74         "link_state_p3"
  75         "link_state_p4"
  76         "link_state_p5"
  77         "link_state_p7"
  78         "link_state_p8"
  79         "phy"
  80         "ts"
  81         "imp_sleep_timer_p5"
  82         "imp_sleep_timer_p7"
  83         "imp_sleep_timer_p8"
  84
  85 See Documentation/devicetree/bindings/net/dsa/dsa.txt for a list of additional
  86 required and optional properties.
  87
  88 Examples:
  89
  90 Ethernet switch connected via MDIO to the host, CPU port wired to eth0:
  91
  92         eth0: ethernet@10001000 {
  93                 compatible = "brcm,unimac";
  94                 reg = <0x10001000 0x1000>;
  95
  96                 fixed-link {
  97                         speed = <1000>;
  98                         duplex-full;
  99                 };
 100         };
 101
 102         mdio0: mdio@10000000 {
 103                 compatible = "brcm,unimac-mdio";
 104                 #address-cells = <1>;
 105                 #size-cells = <0>;
 106
 107                 switch0: ethernet-switch@30 {
 108                         compatible = "brcm,bcm53125";
 109                         #address-cells = <1>;
 110                         #size-cells = <0>;
 111
 112                         ports {
 113                                 port0@0 {
 114                                         reg = <0>;
 115                                         label = "lan1";
 116                                 };
 117
 118                                 port1@1 {
 119                                         reg = <1>;
 120                                         label = "lan2";
 121                                 };
 122
 123                                 port5@5 {
 124                                         reg = <5>;
 125                                         label = "cable-modem";
 126                                         fixed-link {
 127                                                 speed = <1000>;
 128                                                 duplex-full;
 129                                         };
 130                                         phy-mode = "rgmii-txid";
 131                                 };
 132
 133                                 port8@8 {
 134                                         reg = <8>;
 135                                         label = "cpu";
 136                                         fixed-link {
 137                                                 speed = <1000>;
 138                                                 duplex-full;
 139                                         };
 140                                         phy-mode = "rgmii-txid";
 141                                         ethernet = <&eth0>;
 142                                 };
 143                         };
 144                 };
 145         };