arch/mips/boot/dts/ingenic/jz4740.dtsi

Source file repositories/reference/linux-study-clean/arch/mips/boot/dts/ingenic/jz4740.dtsi

File Facts

System
Linux kernel
Corpus path
arch/mips/boot/dts/ingenic/jz4740.dtsi
Extension
.dtsi
Size
6659 bytes
Lines
332
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
#include <dt-bindings/clock/ingenic,jz4740-cgu.h>
#include <dt-bindings/clock/ingenic,tcu.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	compatible = "ingenic,jz4740";

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "ingenic,xburst-mxu1.0";
			reg = <0>;

			clocks = <&cgu JZ4740_CLK_CCLK>;
			clock-names = "cpu";
		};
	};

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

	intc: interrupt-controller@10001000 {
		compatible = "ingenic,jz4740-intc";
		reg = <0x10001000 0x14>;

		interrupt-controller;
		#interrupt-cells = <1>;

		interrupt-parent = <&cpuintc>;
		interrupts = <2>;
	};

	ext: ext {
		compatible = "fixed-clock";
		#clock-cells = <0>;
	};

	rtc: rtc {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <32768>;
	};

	cgu: jz4740-cgu@10000000 {
		compatible = "ingenic,jz4740-cgu";
		reg = <0x10000000 0x100>;

		clocks = <&ext>, <&rtc>;
		clock-names = "ext", "rtc";

		#clock-cells = <1>;
	};

	tcu: timer@10002000 {
		compatible = "ingenic,jz4740-tcu", "simple-mfd";
		reg = <0x10002000 0x1000>;
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x0 0x10002000 0x1000>;

		#clock-cells = <1>;

Annotation

Implementation Notes