Documentation/devicetree/bindings/net/broadcom-sf2.txt

   1 * Broadcom Starfighter 2 integrated swich
   2
   3 Required properties:
   4
   5 - compatible: should be "brcm,bcm7445-switch-v4.0"
   6 - reg: addresses and length of the register sets for the device, must be 6
   7   pairs of register addresses and lengths
   8 - interrupts: interrupts for the devices, must be two interrupts
   9 - dsa,mii-bus: phandle to the MDIO bus controller, see dsa/dsa.txt
  10 - dsa,ethernet: phandle to the CPU network interface controller, see dsa/dsa.txt
  11 - #size-cells: must be 0
  12 - #address-cells: must be 2, see dsa/dsa.txt
  13
  14 Subnodes:
  15
  16 The integrated switch subnode should be specified according to the binding
  17 described in dsa/dsa.txt.
  18
  19 Optional properties:
  20
  21 - reg-names: litteral names for the device base register addresses, when present
  22   must be: "core", "reg", "intrl2_0", "intrl2_1", "fcb", "acb"
  23
  24 - interrupt-names: litternal names for the device interrupt lines, when present
  25   must be: "switch_0" and "switch_1"
  26
  27 - brcm,num-gphy: specify the maximum number of integrated gigabit PHYs in the
  28   switch
  29
  30 - brcm,num-rgmii-ports: specify the maximum number of RGMII interfaces supported
  31   by the switch
  32
  33 - brcm,fcb-pause-override: boolean property, if present indicates that the switch
  34   supports Failover Control Block pause override capability
  35
  36 - brcm,acb-packets-inflight: boolean property, if present indicates that the switch
  37   Admission Control Block supports reporting the number of packets in-flight in a
  38   switch queue
  39
  40 Example:
  41
  42 switch_top@f0b00000 {
  43         compatible = "simple-bus";
  44         #size-cells = <1>;
  45         #address-cells = <1>;
  46         ranges = <0 0xf0b00000 0x40804>;
  47
  48         ethernet_switch@0 {
  49                 compatible = "brcm,bcm7445-switch-v4.0";
  50                 #size-cells = <0>;
  51                 #address-cells = <2>;
  52                 reg = <0x0 0x40000
  53                         0x40000 0x110
  54                         0x40340 0x30
  55                         0x40380 0x30
  56                         0x40400 0x34
  57                         0x40600 0x208>;
  58                 interrupts = <0 0x18 0
  59                                 0 0x19 0>;
  60                 brcm,num-gphy = <1>;
  61                 brcm,num-rgmii-ports = <2>;
  62                 brcm,fcb-pause-override;
  63                 brcm,acb-packets-inflight;
  64
  65                 ...
  66                 switch@0 {
  67                         reg = <0 0>;
  68                         #size-cells = <0>;
  69                         #address-cells <1>;
  70
  71                         port@0 {
  72                                 label = "gphy";
  73                                 reg = <0>;
  74                         };
  75                         ...
  76                 };
  77         };
  78 };