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   - "microchip,ksz9896"
  11   - "microchip,ksz9567"
  12   - "microchip,ksz8565"
  13   - "microchip,ksz9893"
  14   - "microchip,ksz9563"
  15
  16 Optional properties:
  17
  18 - reset-gpios           : Should be a gpio specifier for a reset line
  19
  20 See Documentation/devicetree/bindings/net/dsa/dsa.txt for a list of additional
  21 required and optional properties.
  22
  23 Examples:
  24
  25 Ethernet switch connected via SPI to the host, CPU port wired to eth0:
  26
  27         eth0: ethernet@10001000 {
  28                 fixed-link {
  29                         speed = <1000>;
  30                         full-duplex;
  31                 };
  32         };
  33
  34         spi1: spi@f8008000 {
  35                 pinctrl-0 = <&pinctrl_spi_ksz>;
  36                 cs-gpios = <&pioC 25 0>;
  37                 id = <1>;
  38
  39                 ksz9477: ksz9477@0 {
  40                         compatible = "microchip,ksz9477";
  41                         reg = <0>;
  42
  43                         spi-max-frequency = <44000000>;
  44                         spi-cpha;
  45                         spi-cpol;
  46
  47                         ports {
  48                                 #address-cells = <1>;
  49                                 #size-cells = <0>;
  50                                 port@0 {
  51                                         reg = <0>;
  52                                         label = "lan1";
  53                                 };
  54                                 port@1 {
  55                                         reg = <1>;
  56                                         label = "lan2";
  57                                 };
  58                                 port@2 {
  59                                         reg = <2>;
  60                                         label = "lan3";
  61                                 };
  62                                 port@3 {
  63                                         reg = <3>;
  64                                         label = "lan4";
  65                                 };
  66                                 port@4 {
  67                                         reg = <4>;
  68                                         label = "lan5";
  69                                 };
  70                                 port@5 {
  71                                         reg = <5>;
  72                                         label = "cpu";
  73                                         ethernet = <&eth0>;
  74                                         fixed-link {
  75                                                 speed = <1000>;
  76                                                 full-duplex;
  77                                         };
  78                                 };
  79                         };
  80                 };
  81                 ksz8565: ksz8565@0 {
  82                         compatible = "microchip,ksz8565";
  83                         reg = <0>;
  84
  85                         spi-max-frequency = <44000000>;
  86                         spi-cpha;
  87                         spi-cpol;
  88
  89                         ports {
  90                                 #address-cells = <1>;
  91                                 #size-cells = <0>;
  92                                 port@0 {
  93                                         reg = <0>;
  94                                         label = "lan1";
  95                                 };
  96                                 port@1 {
  97                                         reg = <1>;
  98                                         label = "lan2";
  99                                 };
 100                                 port@2 {
 101                                         reg = <2>;
 102                                         label = "lan3";
 103                                 };
 104                                 port@3 {
 105                                         reg = <3>;
 106                                         label = "lan4";
 107                                 };
 108                                 port@6 {
 109                                         reg = <6>;
 110                                         label = "cpu";
 111                                         ethernet = <&eth0>;
 112                                         fixed-link {
 113                                                 speed = <1000>;
 114                                                 full-duplex;
 115                                         };
 116                                 };
 117                         };
 118                 };
 119         };