linux/Documentation/devicetree/bindings/net/macb.txt
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Prefs
   1* Cadence MACB/GEM Ethernet controller
   2
   3Required properties:
   4- compatible: Should be "cdns,[<chip>-]{macb|gem}"
   5  Use "cdns,at91sam9260-macb" Atmel at91sam9260 and at91sam9263 SoCs.
   6  Use "cdns,at32ap7000-macb" for other 10/100 usage or use the generic form: "cdns,macb".
   7  Use "cdns,pc302-gem" for Picochip picoXcell pc302 and later devices based on
   8  the Cadence GEM, or the generic form: "cdns,gem".
   9- reg: Address and length of the register set for the device
  10- interrupts: Should contain macb interrupt
  11- phy-mode: String, operation mode of the PHY interface.
  12  Supported values are: "mii", "rmii", "gmii", "rgmii".
  13
  14Optional properties:
  15- local-mac-address: 6 bytes, mac address
  16
  17Examples:
  18
  19        macb0: ethernet@fffc4000 {
  20                compatible = "cdns,at32ap7000-macb";
  21                reg = <0xfffc4000 0x4000>;
  22                interrupts = <21>;
  23                phy-mode = "rmii";
  24                local-mac-address = [3a 0e 03 04 05 06];
  25        };
  26