arch/arm/boot/dts/marvell/mmp2.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/marvell/mmp2.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/marvell/mmp2.dtsi
Extension
.dtsi
Size
12863 bytes
Lines
517
Domain
Architecture Layer
Bucket
arch/arm
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-only
/*
 *  Copyright (C) 2012 Marvell Technology Group Ltd.
 *  Author: Haojian Zhuang <haojian.zhuang@marvell.com>
 */

#include <dt-bindings/clock/marvell,mmp2.h>
#include <dt-bindings/power/marvell,mmp2.h>
#include <dt-bindings/clock/marvell,mmp2-audio.h>

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

	aliases {
		serial0 = &uart1;
		serial1 = &uart2;
		serial2 = &uart3;
		serial3 = &uart4;
		i2c0 = &twsi1;
		i2c1 = &twsi2;
	};

	soc {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "simple-bus";
		interrupt-parent = <&intc>;
		ranges;

		L2: l2-cache {
			compatible = "marvell,tauros2-cache";
			marvell,tauros2-cache-features = <0x3>;
		};

		axi@d4200000 {	/* AXI */
			compatible = "mrvl,axi-bus", "simple-bus";
			#address-cells = <1>;
			#size-cells = <1>;
			reg = <0xd4200000 0x00200000>;
			ranges;

			gpu: gpu@d420d000 {
				compatible = "vivante,gc";
				reg = <0xd420d000 0x4000>;
				interrupts = <8>;
				status = "disabled";
				clocks = <&soc_clocks MMP2_CLK_GPU_3D>,
					 <&soc_clocks MMP2_CLK_GPU_BUS>;
				clock-names = "core", "bus";
				power-domains = <&soc_clocks MMP2_POWER_DOMAIN_GPU>;
			};

			intc: interrupt-controller@d4282000 {
				compatible = "mrvl,mmp2-intc";
				interrupt-controller;
				#interrupt-cells = <1>;
				reg = <0xd4282000 0x1000>;
				mrvl,intc-nr-irqs = <64>;
			};

			intcmux4: interrupt-controller@d4282150 {
				compatible = "mrvl,mmp2-mux-intc";
				interrupts = <4>;
				interrupt-controller;
				#interrupt-cells = <1>;
				reg = <0x150 0x4>, <0x168 0x4>;
				reg-names = "mux status", "mux mask";
				mrvl,intc-nr-irqs = <2>;
			};

Annotation

Implementation Notes