arch/mips/boot/dts/realtek/rtl838x.dtsi

Source file repositories/reference/linux-study-clean/arch/mips/boot/dts/realtek/rtl838x.dtsi

File Facts

System
Linux kernel
Corpus path
arch/mips/boot/dts/realtek/rtl838x.dtsi
Extension
.dtsi
Size
2324 bytes
Lines
130
Domain
Architecture Layer
Bucket
arch/mips
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// 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;

Annotation

Implementation Notes