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 the following:
   8   - "microchip,ksz9477"
   9   - "microchip,ksz9897"
  10
  11 Optional properties:
  12
  13 - reset-gpios           : Should be a gpio specifier for a reset line
  14
  15 See Documentation/devicetree/bindings/net/dsa/dsa.txt for a list of additional
  16 required and optional properties.
  17
  18 Examples:
  19
  20 Ethernet switch connected via SPI to the host, CPU port wired to eth0:
  21
  22                              eth0: ethernet@10001000 {
  23                                              fixed-link {
  24                                                              speed = <1000>;
  25                                                              full-duplex;
  26                                              };
  27                              };
  28
  29                              spi1: spi@f8008000 {
  30                                              pinctrl-0 = <&pinctrl_spi_ksz>;
  31                                              cs-gpios = <&pioC 25 0>;
  32                                              id = <1>;
  33
  34                                              ksz9477: ksz9477@0 {
  35                                                              compatible = "microchip,ksz9477";
  36                                                              reg = <0>;
  37
  38                                                              spi-max-frequency = <44000000>;
  39                                                              spi-cpha;
  40                                                              spi-cpol;
  41
  42                                                              ports {
  43                                                                              #address-cells = <1>;
  44                                                                              #size-cells = <0>;
  45                                                                              port@0 {
  46                                                                                              reg = <0>;
  47                                                                                              label = "lan1";
  48                                                                              };
  49                                                                              port@1 {
  50                                                                                              reg = <1>;
  51                                                                                              label = "lan2";
  52                                                                              };
  53                                                                              port@2 {
  54                                                                                              reg = <2>;
  55                                                                                              label = "lan3";
  56                                                                              };
  57                                                                              port@3 {
  58                                                                                              reg = <3>;
  59                                                                                              label = "lan4";
  60                                                                              };
  61                                                                              port@4 {
  62                                                                                              reg = <4>;
  63                                                                                              label = "lan5";
  64                                                                              };
  65                                                                              port@5 {
  66                                                                                              reg = <5>;
  67                                                                                              label = "cpu";
  68                                                                                              ethernet = <&eth0>;
  69                                                                                              fixed-link {
  70                                                                                                              speed = <1000>;
  71                                                                                                              full-duplex;
  72                                                                                              };
  73                                                                              };
  74                                                              };
  75                                              };
  76                              };