arch/arm/boot/dts/ti/omap/dra74x.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/dra74x.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/dra74x.dtsi
Extension
.dtsi
Size
5468 bytes
Lines
233
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) 2014 Texas Instruments Incorporated - https://www.ti.com/
 *
 * Based on "omap4.dtsi"
 */

#include "dra7.dtsi"

/ {
	compatible = "ti,dra742", "ti,dra74", "ti,dra7";

	cpus {
		cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a15";
			reg = <1>;
			operating-points-v2 = <&cpu0_opp_table>;

			clocks = <&dpll_mpu_ck>;
			clock-names = "cpu";

			clock-latency = <300000>; /* From omap-cpufreq driver */

			/* cooling options */
			#cooling-cells = <2>; /* min followed by max */

			vbb-supply = <&abb_mpu>;
		};
	};

	aliases {
		rproc0 = &ipu1;
		rproc1 = &ipu2;
		rproc2 = &dsp1;
		rproc3 = &dsp2;
	};

	pmu {
		compatible = "arm,cortex-a15-pmu";
		interrupt-parent = <&wakeupgen>;
		interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
			     <GIC_SPI 132 IRQ_TYPE_LEVEL_HIGH>;
	};

	ocp {
		dsp2_system: dsp_system@41500000 {
			compatible = "syscon";
			reg = <0x41500000 0x100>;
		};


		target-module@41501000 {
			compatible = "ti,sysc-omap2", "ti,sysc";
			reg = <0x41501000 0x4>,
			      <0x41501010 0x4>,
			      <0x41501014 0x4>;
			reg-names = "rev", "sysc", "syss";
			ti,sysc-sidle = <SYSC_IDLE_FORCE>,
					<SYSC_IDLE_NO>,
					<SYSC_IDLE_SMART>;
			ti,sysc-mask = <(SYSC_OMAP2_CLOCKACTIVITY |
					 SYSC_OMAP2_SOFTRESET |
					 SYSC_OMAP2_AUTOIDLE)>;
			clocks = <&dsp2_clkctrl DRA7_DSP2_MMU0_DSP2_CLKCTRL 0>;
			clock-names = "fck";
			resets = <&prm_dsp2 1>;
			reset-names = "rstctrl";
			ranges = <0x0 0x41501000 0x1000>;
			#size-cells = <1>;

Annotation

Implementation Notes