arch/arm64/boot/dts/realtek/rtd139x.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/realtek/rtd139x.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/realtek/rtd139x.dtsi
Extension
.dtsi
Size
4044 bytes
Lines
194
Domain
Architecture Layer
Bucket
arch/arm64
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)
/*
 * Realtek RTD1395 SoC family
 *
 * Copyright (c) 2019 Andreas Färber
 */

/memreserve/	0x0000000000000000 0x000000000002f000;
/memreserve/	0x000000000002f000 0x00000000000d1000;

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/reset/realtek,rtd1295.h>

/ {
	interrupt-parent = <&gic>;
	#address-cells = <1>;
	#size-cells = <1>;

	reserved-memory {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		rpc_comm: rpc@2f000 {
			reg = <0x2f000 0x1000>;
		};

		rpc_ringbuf: rpc@1ffe000 {
			reg = <0x1ffe000 0x4000>;
		};

		tee: tee@10100000 {
			reg = <0x10100000 0xf00000>;
			no-map;
		};
	};

	arm_pmu: arm-pmu {
		compatible = "arm,cortex-a53-pmu";
		interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
	};

	osc27M: osc {
		compatible = "fixed-clock";
		clock-frequency = <27000000>;
		#clock-cells = <0>;
		clock-output-names = "osc27M";
	};

	soc@0 {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x00000000 0x00000000 0x0001f000>, /* boot ROM */
			 <0x98000000 0x98000000 0x68000000>;

		rbus: bus@98000000 {
			compatible = "simple-bus";
			reg = <0x98000000 0x200000>;
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0x0 0x98000000 0x200000>;

			crt: syscon@0 {
				compatible = "syscon", "simple-mfd";
				reg = <0x0 0x1000>;
				reg-io-width = <4>;
				#address-cells = <1>;
				#size-cells = <1>;
				ranges = <0x0 0x0 0x1000>;

Annotation

Implementation Notes