arch/mips/boot/dts/ingenic/jz4780.dtsi

Source file repositories/reference/linux-study-clean/arch/mips/boot/dts/ingenic/jz4780.dtsi

File Facts

System
Linux kernel
Corpus path
arch/mips/boot/dts/ingenic/jz4780.dtsi
Extension
.dtsi
Size
11913 bytes
Lines
601
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,jz4780-cgu.h>
#include <dt-bindings/clock/ingenic,tcu.h>
#include <dt-bindings/dma/jz4780-dma.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	compatible = "ingenic,jz4780";

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "ingenic,xburst-fpu1.0-mxu1.1";
			reg = <0>;

			clocks = <&cgu JZ4780_CLK_CPU>;
			clock-names = "cpu";
		};

		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "ingenic,xburst-fpu1.0-mxu1.1";
			reg = <1>;

			clocks = <&cgu JZ4780_CLK_CORE1>;
			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,jz4780-intc";
		reg = <0x10001000 0x50>;

		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: jz4780-cgu@10000000 {
		compatible = "ingenic,jz4780-cgu", "simple-mfd";
		reg = <0x10000000 0x100>;
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x0 0x10000000 0x100>;

		#clock-cells = <1>;

Annotation

Implementation Notes