linux-libre/arch/mips/boot/dts/xilfpga/nexys4ddr.dts

/dts-v1/;

#include "microAptiv.dtsi"

/ {
	compatible = "digilent,nexys4ddr";

	memory {
		device_type = "memory";
		reg = <0x0 0x08000000>;
	};

	cpuintc: interrupt-controller {
		#address-cells = <0>;
		#interrupt-cells = <1>;
		interrupt-controller;
		compatible = "mti,cpu-interrupt-controller";
	};

	axi_gpio: gpio@10600000 {
		#gpio-cells = <1>;
		compatible = "xlnx,xps-gpio-1.00.a";
		gpio-controller;
		reg = <0x10600000 0x10000>;
		xlnx,all-inputs = <0x0>;
		xlnx,dout-default = <0x0>;
		xlnx,gpio-width = <0x16>;
		xlnx,interrupt-present = <0x0>;
		xlnx,is-dual = <0x0>;
		xlnx,tri-default = <0xffffffff>;
	} ;

	axi_uart16550: serial@10400000 {
		compatible = "ns16550a";
		reg = <0x10400000 0x10000>;

		reg-shift = <2>;
		reg-offset = <0x1000>;

		clocks	= <&ext>;
	};
};

&ext {
	clock-frequency = <50000000>;
};