u-boot/arch/sandbox/dts/test.dts

/dts-v1/;

/ {
	model = "sandbox";
	compatible = "sandbox";
	#address-cells = <1>;
	#size-cells = <0>;

	aliases {
		console = &uart0;
		eth0 = "/eth@10002000";
		eth5 = &eth_5;
		i2c0 = "/i2c@0";
		pci0 = &pci;
		rtc0 = &rtc_0;
		rtc1 = &rtc_1;
		spi0 = "/spi@0";
		testfdt6 = "/e-test";
		testbus3 = "/some-bus";
		testfdt0 = "/some-bus/c-test@0";
		testfdt1 = "/some-bus/c-test@1";
		testfdt3 = "/b-test";
		testfdt5 = "/some-bus/c-test@5";
		testfdt8 = "/a-test";
		usb0 = &usb_0;
		usb1 = &usb_1;
		usb2 = &usb_2;
	};

	a-test {
		reg = <0>;
		compatible = "denx,u-boot-fdt-test";
		ping-expect = <0>;
		ping-add = <0>;
		u-boot,dm-pre-reloc;
		test-gpios = <&gpio_a 1>, <&gpio_a 4>, <&gpio_b 5 0 3 2 1>,
			<0>, <&gpio_a 12>;
		test2-gpios = <&gpio_a 1>, <&gpio_a 4>, <&gpio_b 6 1 3 2 1>,
			<&gpio_b 7 2 3 2 1>, <&gpio_b 8 4 3 2 1>,
			<&gpio_b 9 0xc 3 2 1>;
	};

	junk {
		reg = <1>;
		compatible = "not,compatible";
	};

	no-compatible {
		reg = <2>;
	};

	b-test {
		reg = <3>;
		compatible = "denx,u-boot-fdt-test";
		ping-expect = <3>;
		ping-add = <3>;
	};

	some-bus {
		#address-cells = <1>;
		#size-cells = <0>;
		compatible = "denx,u-boot-test-bus";
		reg = <3>;
		ping-expect = <4>;
		ping-add = <4>;
		c-test@5 {
			compatible = "denx,u-boot-fdt-test";
			reg = <5>;
			ping-expect = <5>;
			ping-add = <5>;
		};
		c-test@0 {
			compatible = "denx,u-boot-fdt-test";
			reg = <0>;
			ping-expect = <6>;
			ping-add = <6>;
		};
		c-test@1 {
			compatible = "denx,u-boot-fdt-test";
			reg = <1>;
			ping-expect = <7>;
			ping-add = <7>;
		};
	};

	d-test {
		reg = <3>;
		ping-expect = <6>;
		ping-add = <6>;
		compatible = "google,another-fdt-test";
	};

	e-test {
		reg = <3>;
		ping-expect = <6>;
		ping-add = <6>;
		compatible = "google,another-fdt-test";
	};

	f-test {
		compatible = "denx,u-boot-fdt-test";
	};

	g-test {
		compatible = "denx,u-boot-fdt-test";
	};

	eth@10002000 {
		compatible = "sandbox,eth";
		reg = <0x10002000 0x1000>;
		fake-host-hwaddr = <0x00 0x00 0x66 0x44 0x22 0x00>;
	};

	eth_5: eth@10003000 {
		compatible = "sandbox,eth";
		reg = <0x10003000 0x1000>;
		fake-host-hwaddr = <0x00 0x00 0x66 0x44 0x22 0x11>;
	};

	eth@10004000 {
		compatible = "sandbox,eth";
		reg = <0x10004000 0x1000>;
		fake-host-hwaddr = <0x00 0x00 0x66 0x44 0x22 0x22>;
	};

	gpio_a: base-gpios {
		compatible = "sandbox,gpio";
		gpio-controller;
		#gpio-cells = <1>;
		gpio-bank-name = "a";
		num-gpios = <20>;
	};

	gpio_b: extra-gpios {
		compatible = "sandbox,gpio";
		gpio-controller;
		#gpio-cells = <5>;
		gpio-bank-name = "b";
		num-gpios = <10>;
	};

	i2c@0 {
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <0>;
		compatible = "sandbox,i2c";
		clock-frequency = <100000>;
		eeprom@2c {
			reg = <0x2c>;
			compatible = "i2c-eeprom";
			emul {
				compatible = "sandbox,i2c-eeprom";
				sandbox,filename = "i2c.bin";
				sandbox,size = <256>;
			};
		};

		rtc_0: rtc@43 {
			reg = <0x43>;
			compatible = "sandbox-rtc";
			emul {
				compatible = "sandbox,i2c-rtc";
			};
		};

		rtc_1: rtc@61 {
			reg = <0x61>;
			compatible = "sandbox-rtc";
			emul {
				compatible = "sandbox,i2c-rtc";
			};
		};

		sandbox_pmic: sandbox_pmic {
			reg = <0x40>;
		};
	};

	pci: pci-controller {
		compatible = "sandbox,pci";
		device_type = "pci";
		#address-cells = <3>;
		#size-cells = <2>;
		ranges = <0x02000000 0 0x10000000 0x10000000 0 0x2000
				0x01000000 0 0x20000000 0x20000000 0 0x2000>;
		pci@1f,0 {
			compatible = "pci-generic";
			reg = <0xf800 0 0 0 0>;
			emul@1f,0 {
				compatible = "sandbox,swap-case";
			};
		};
	};

	spi@0 {
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <0>;
		compatible = "sandbox,spi";
		cs-gpios = <0>, <&gpio_a 0>;
		spi.bin@0 {
			reg = <0>;
			compatible = "spansion,m25p16", "spi-flash";
			spi-max-frequency = <40000000>;
			sandbox,filename = "spi.bin";
		};
	};

	uart0: serial {
		compatible = "sandbox,serial";
		u-boot,dm-pre-reloc;
	};

	usb_0: usb@0 {
		compatible = "sandbox,usb";
		status = "disabled";
		hub {
			compatible = "sandbox,usb-hub";
			#address-cells = <1>;
			#size-cells = <0>;
			flash-stick {
				reg = <0>;
				compatible = "sandbox,usb-flash";
			};
		};
	};

	usb_1: usb@1 {
		compatible = "sandbox,usb";
		hub {
			compatible = "usb-hub";
			usb,device-class = <9>;
			hub-emul {
				compatible = "sandbox,usb-hub";
				#address-cells = <1>;
				#size-cells = <0>;
				flash-stick {
					reg = <0>;
					compatible = "sandbox,usb-flash";
					sandbox,filepath = "testflash.bin";
				};

			};
		};
	};

	usb_2: usb@2 {
		compatible = "sandbox,usb";
		status = "disabled";
	};

};

#include "sandbox_pmic.dtsi"