Open Menu / dts / upstream / src / mips / realtek / rtl838x.dtsi
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// SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause

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

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

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

		cpu@0 {
			device_type = "cpu";
			compatible = "mips,mips4KEc";
			reg = <0>;
			clocks = <&baseclk>;
		};
	};

	baseclk: baseclk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <500000000>;
	};

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

	lx_clk: clock-lexra {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <200000000>;
	};

	soc@18000000 {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x0 0x18000000 0x10000>;

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

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

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

			clocks = <&lx_clk>;

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

			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 = <30>;

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

			status = "disabled";
		};

		intc: interrupt-controller@3000 {
			compatible = "realtek,rtl8380-intc", "realtek,rtl-intc";
			reg = <0x3000 0x20>;
			interrupt-controller;
			#interrupt-cells = <1>;

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

		watchdog: watchdog@3150 {
			compatible = "realtek,rtl8380-wdt";
			reg = <0x3150 0xc>;

			realtek,reset-mode = "soc";

			clocks = <&lx_clk>;
			timeout-sec = <20>;

			interrupt-parent = <&intc>;
			interrupt-names = "phase1", "phase2";
			interrupts = <19>, <18>;
		};

		gpio0: gpio@3500 {
			compatible = "realtek,rtl8380-gpio", "realtek,otto-gpio";
			reg = <0x3500 0x1c>;

			gpio-controller;
			#gpio-cells = <2>;
			ngpios = <24>;

			interrupt-controller;
			#interrupt-cells = <2>;
			interrupt-parent = <&intc>;
			interrupts = <23>;
		};
	};
};