Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/net/dsa/microchip,ksz.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Microchip KSZ Series Ethernet switches
   8
   9 maintainers:
  10   - Marek Vasut <marex@denx.de>
  11   - Woojung Huh <Woojung.Huh@microchip.com>
  12
  13 allOf:
  14   - $ref: dsa.yaml#
  15
  16 properties:
  17   # See Documentation/devicetree/bindings/net/dsa/dsa.yaml for a list of additional
  18   # required and optional properties.
  19   compatible:
  20     enum:
  21       - microchip,ksz8765
  22       - microchip,ksz8794
  23       - microchip,ksz8795
  24       - microchip,ksz9477
  25       - microchip,ksz9897
  26       - microchip,ksz9896
  27       - microchip,ksz9567
  28       - microchip,ksz8565
  29       - microchip,ksz9893
  30       - microchip,ksz9563
  31       - microchip,ksz8563
  32
  33   reset-gpios:
  34     description:
  35       Should be a gpio specifier for a reset line.
  36     maxItems: 1
  37
  38   microchip,synclko-125:
  39     $ref: /schemas/types.yaml#/definitions/flag
  40     description:
  41       Set if the output SYNCLKO frequency should be set to 125MHz instead of 25MHz.
  42
  43 required:
  44   - compatible
  45   - reg
  46
  47 unevaluatedProperties: false
  48
  49 examples:
  50   - |
  51     #include <dt-bindings/gpio/gpio.h>
  52
  53     // Ethernet switch connected via SPI to the host, CPU port wired to eth0:
  54     eth0 {
  55         fixed-link {
  56             speed = <1000>;
  57             full-duplex;
  58         };
  59     };
  60
  61     spi0 {
  62         #address-cells = <1>;
  63         #size-cells = <0>;
  64
  65         pinctrl-0 = <&pinctrl_spi_ksz>;
  66         cs-gpios = <&pioC 25 0>;
  67         id = <1>;
  68
  69         ksz9477: switch@0 {
  70             compatible = "microchip,ksz9477";
  71             reg = <0>;
  72             reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
  73
  74             spi-max-frequency = <44000000>;
  75
  76             ethernet-ports {
  77                 #address-cells = <1>;
  78                 #size-cells = <0>;
  79                 port@0 {
  80                     reg = <0>;
  81                     label = "lan1";
  82                 };
  83                 port@1 {
  84                     reg = <1>;
  85                     label = "lan2";
  86                 };
  87                 port@2 {
  88                     reg = <2>;
  89                     label = "lan3";
  90                 };
  91                 port@3 {
  92                     reg = <3>;
  93                     label = "lan4";
  94                 };
  95                 port@4 {
  96                     reg = <4>;
  97                     label = "lan5";
  98                 };
  99                 port@5 {
 100                     reg = <5>;
 101                     label = "cpu";
 102                     ethernet = <&eth0>;
 103                     fixed-link {
 104                         speed = <1000>;
 105                         full-duplex;
 106                     };
 107                 };
 108             };
 109         };
 110
 111         ksz8565: switch@1 {
 112             compatible = "microchip,ksz8565";
 113             reg = <1>;
 114
 115             spi-max-frequency = <44000000>;
 116
 117             ethernet-ports {
 118                 #address-cells = <1>;
 119                 #size-cells = <0>;
 120                 port@0 {
 121                     reg = <0>;
 122                     label = "lan1";
 123                 };
 124                 port@1 {
 125                     reg = <1>;
 126                     label = "lan2";
 127                 };
 128                 port@2 {
 129                     reg = <2>;
 130                     label = "lan3";
 131                 };
 132                 port@3 {
 133                     reg = <3>;
 134                     label = "lan4";
 135                 };
 136                 port@6 {
 137                     reg = <6>;
 138                     label = "cpu";
 139                     ethernet = <&eth0>;
 140                     fixed-link {
 141                         speed = <1000>;
 142                         full-duplex;
 143                     };
 144                 };
 145             };
 146         };
 147     };
 148 ...