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,ksz8765"
   9   - "microchip,ksz8794"
  10   - "microchip,ksz8795"
  11   - "microchip,ksz9477"
  12   - "microchip,ksz9897"
  13   - "microchip,ksz9896"
  14   - "microchip,ksz9567"
  15   - "microchip,ksz8565"
  16   - "microchip,ksz9893"
  17   - "microchip,ksz9563"
  18   - "microchip,ksz8563"
  19
  20 Optional properties:
  21
  22 - reset-gpios           : Should be a gpio specifier for a reset line
  23 - microchip,synclko-125 : Set if the output SYNCLKO frequency should be set to
  24                           125MHz instead of 25MHz.
  25
  26 See Documentation/devicetree/bindings/net/dsa/dsa.txt for a list of additional
  27 required and optional properties.
  28
  29 Examples:
  30
  31 Ethernet switch connected via SPI to the host, CPU port wired to eth0:
  32
  33         eth0: ethernet@10001000 {
  34                 fixed-link {
  35                         speed = <1000>;
  36                         full-duplex;
  37                 };
  38         };
  39
  40         spi1: spi@f8008000 {
  41                 pinctrl-0 = <&pinctrl_spi_ksz>;
  42                 cs-gpios = <&pioC 25 0>;
  43                 id = <1>;
  44
  45                 ksz9477: ksz9477@0 {
  46                         compatible = "microchip,ksz9477";
  47                         reg = <0>;
  48
  49                         spi-max-frequency = <44000000>;
  50                         spi-cpha;
  51                         spi-cpol;
  52
  53                         ports {
  54                                 #address-cells = <1>;
  55                                 #size-cells = <0>;
  56                                 port@0 {
  57                                         reg = <0>;
  58                                         label = "lan1";
  59                                 };
  60                                 port@1 {
  61                                         reg = <1>;
  62                                         label = "lan2";
  63                                 };
  64                                 port@2 {
  65                                         reg = <2>;
  66                                         label = "lan3";
  67                                 };
  68                                 port@3 {
  69                                         reg = <3>;
  70                                         label = "lan4";
  71                                 };
  72                                 port@4 {
  73                                         reg = <4>;
  74                                         label = "lan5";
  75                                 };
  76                                 port@5 {
  77                                         reg = <5>;
  78                                         label = "cpu";
  79                                         ethernet = <&eth0>;
  80                                         fixed-link {
  81                                                 speed = <1000>;
  82                                                 full-duplex;
  83                                         };
  84                                 };
  85                         };
  86                 };
  87                 ksz8565: ksz8565@0 {
  88                         compatible = "microchip,ksz8565";
  89                         reg = <0>;
  90
  91                         spi-max-frequency = <44000000>;
  92                         spi-cpha;
  93                         spi-cpol;
  94
  95                         ports {
  96                                 #address-cells = <1>;
  97                                 #size-cells = <0>;
  98                                 port@0 {
  99                                         reg = <0>;
 100                                         label = "lan1";
 101                                 };
 102                                 port@1 {
 103                                         reg = <1>;
 104                                         label = "lan2";
 105                                 };
 106                                 port@2 {
 107                                         reg = <2>;
 108                                         label = "lan3";
 109                                 };
 110                                 port@3 {
 111                                         reg = <3>;
 112                                         label = "lan4";
 113                                 };
 114                                 port@6 {
 115                                         reg = <6>;
 116                                         label = "cpu";
 117                                         ethernet = <&eth0>;
 118                                         fixed-link {
 119                                                 speed = <1000>;
 120                                                 full-duplex;
 121                                         };
 122                                 };
 123                         };
 124                 };
 125         };