Use "cdns,zynq-gem" Xilinx Zynq-7xxx SoC.
Use "cdns,zynqmp-gem" for Zynq Ultrascale+ MPSoC.
Use "sifive,fu540-c000-gem" for SiFive FU540-C000 SoC.
+ Use "microchip,sama7g5-emac" for Microchip SAMA7G5 ethernet interface.
Or the generic form: "cdns,emac".
- reg: Address and length of the register set for the device
For "sifive,fu540-c000-gem", second range is required to specify the