U-Boot

// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause

/ {
	compatible = "realtek,rtl9302-soc";

	#address-cells = <1>;
	#size-cells = <1>;

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
	};

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

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu@0 {
			device_type = "cpu";
			compatible = "mips,mips34Kc";
			reg = <0>;
			clocks = <&baseclk>;
		};
	};

	baseclk: clock-800mhz {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <800000000>;
	};

	lx_clk: clock-175mhz {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency  = <175000000>;
	};

	switch0: switch@1b000000 {
		compatible = "realtek,rtl9301-switch", "syscon", "simple-mfd";
		reg = <0x1b000000 0x10000>;
		#address-cells = <1>;
		#size-cells = <1>;

		interrupt-parent = <&intc>;
		interrupts = <23>, <24>;
		interrupt-names = "switch", "nic";

		reboot@c {
			compatible = "syscon-reboot";
			reg = <0x0c 0x4>;
			value = <0x01>;
		};

		i2c0: i2c@36c {
			compatible = "realtek,rtl9301-i2c";
			reg = <0x36c 0x14>;
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";
		};

		i2c1: i2c@388 {
			compatible = "realtek,rtl9301-i2c";
			reg = <0x388 0x14>;
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";
		};

		mdio_controller: mdio-controller@ca00 {
			compatible = "realtek,rtl9301-mdio";
			reg = <0xca00 0x200>;
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";

			mdio0: mdio-bus@0 {
				reg = <0>;
				#address-cells = <1>;
				#size-cells = <0>;
				status = "disabled";
			};
			mdio1: mdio-bus@1 {
				reg = <1>;
				#address-cells = <1>;
				#size-cells = <0>;
				status = "disabled";
			};
			mdio2: mdio-bus@2 {
				reg = <2>;
				#address-cells = <1>;
				#size-cells = <0>;
				status = "disabled";
			};
			mdio3: mdio-bus@3 {
				reg = <3>;
				#address-cells = <1>;
				#size-cells = <0>;
				status = "disabled";
			};
		};
	};

	soc: soc@18000000 {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x0 0x18000000 0x20000>;

		intc: interrupt-controller@3000 {
			compatible = "realtek,rtl9300-intc", "realtek,rtl-intc";
			reg = <0x3000 0x18>, <0x3018 0x18>;
			interrupt-controller;
			#interrupt-cells = <1>;

			interrupt-parent = <&cpuintc>;
			interrupts = <2>, <3>, <4>, <5>, <6>, <7>;
		};

		spi0: spi@1200 {
			compatible = "realtek,rtl8380-spi";
			reg = <0x1200 0x100>;

			#address-cells = <1>;
			#size-cells = <0>;
		};

		timer0: timer@3200 {
			compatible = "realtek,rtl9302-timer", "realtek,otto-timer";
			reg = <0x3200 0x10>, <0x3210 0x10>, <0x3220 0x10>,
			    <0x3230 0x10>, <0x3240 0x10>;

			interrupt-parent = <&intc>;
			interrupts = <7>, <8>, <9>, <10>, <11>;
			clocks = <&lx_clk>;
		};

		watchdog0: watchdog@3260 {
			compatible = "realtek,rtl9300-wdt";
			reg = <0x3260 0xc>;

			realtek,reset-mode = "soc";

			clocks = <&lx_clk>;
			timeout-sec = <30>;

			interrupt-parent = <&intc>;
			interrupt-names = "phase1", "phase2";
			interrupts = <5>, <6>;
		};

		gpio0: gpio@3300 {
			compatible = "realtek,rtl9300-gpio", "realtek,otto-gpio";
			reg = <0x3300 0x1c>, <0x3338 0x8>;
			gpio-controller;
			#gpio-cells = <2>;
			ngpios = <24>;

			interrupt-controller;
			#interrupt-cells = <2>;
			interrupt-parent = <&intc>;
			interrupts = <13>;
		};

		snand: spi@1a400 {
			compatible = "realtek,rtl9301-snand";
			reg = <0x1a400 0x44>;
			interrupt-parent = <&intc>;
			interrupts = <19>;
			clocks = <&lx_clk>;
			#address-cells = <1>;
			#size-cells = <0>;
			status = "disabled";
		};

		uart0: serial@2000 {
			compatible = "ns16550a";
			reg = <0x2000 0x100>;

			clocks = <&lx_clk>;

			interrupt-parent = <&intc>;
			interrupts = <30>;

			reg-io-width = <1>;
			reg-shift = <2>;
			fifo-size = <1>;
			no-loopback-test;

			status = "disabled";
		};

		uart1: serial@2100 {
			compatible = "ns16550a";
			reg = <0x2100 0x100>;

			clocks = <&lx_clk>;

			interrupt-parent = <&intc>;
			interrupts = <31>;

			reg-io-width = <1>;
			reg-shift = <2>;
			fifo-size = <1>;
			no-loopback-test;

			status = "disabled";
		};
	};
};