Documentation/devicetree/bindings/net/dsa/ksz.txt

   1 Microchip KSZ Series Ethernet switches
   2 ==================================
   3
   4 Required properties:
   5
   6 - compatible: For external switch chips, compatible string must be exactly one
   7   of: "microchip,ksz9477"
   8
   9 See Documentation/devicetree/bindings/dsa/dsa.txt for a list of additional
  10 required and optional properties.
  11
  12 Examples:
  13
  14 Ethernet switch connected via SPI to the host, CPU port wired to eth0:
  15
  16                              eth0: ethernet@10001000 {
  17                                              fixed-link {
  18                                                              speed = <1000>;
  19                                                              full-duplex;
  20                                              };
  21                              };
  22
  23                              spi1: spi@f8008000 {
  24                                              pinctrl-0 = <&pinctrl_spi_ksz>;
  25                                              cs-gpios = <&pioC 25 0>;
  26                                              id = <1>;
  27
  28                                              ksz9477: ksz9477@0 {
  29                                                              compatible = "microchip,ksz9477";
  30                                                              reg = <0>;
  31
  32                                                              spi-max-frequency = <44000000>;
  33                                                              spi-cpha;
  34                                                              spi-cpol;
  35
  36                                                              ports {
  37                                                                              #address-cells = <1>;
  38                                                                              #size-cells = <0>;
  39                                                                              port@0 {
  40                                                                                              reg = <0>;
  41                                                                                              label = "lan1";
  42                                                                              };
  43                                                                              port@1 {
  44                                                                                              reg = <1>;
  45                                                                                              label = "lan2";
  46                                                                              };
  47                                                                              port@2 {
  48                                                                                              reg = <2>;
  49                                                                                              label = "lan3";
  50                                                                              };
  51                                                                              port@3 {
  52                                                                                              reg = <3>;
  53                                                                                              label = "lan4";
  54                                                                              };
  55                                                                              port@4 {
  56                                                                                              reg = <4>;
  57                                                                                              label = "lan5";
  58                                                                              };
  59                                                                              port@5 {
  60                                                                                              reg = <5>;
  61                                                                                              label = "cpu";
  62                                                                                              ethernet = <&eth0>;
  63                                                                                              fixed-link {
  64                                                                                                              speed = <1000>;
  65                                                                                                              full-duplex;
  66                                                                                              };
  67                                                                              };
  68                                                              };
  69                                              };
  70                              };