arch/arm/boot/dts/ti/omap/dra7.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/dra7.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/dra7.dtsi
Extension
.dtsi
Size
36549 bytes
Lines
1361
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) 2013 Texas Instruments Incorporated - https://www.ti.com/
 *
 * Based on "omap4.dtsi"
 */

#include <dt-bindings/bus/ti-sysc.h>
#include <dt-bindings/clock/dra7.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/pinctrl/dra.h>

#define MAX_SOURCES 400

/ {
	#address-cells = <2>;
	#size-cells = <2>;

	compatible = "ti,dra7xx";
	interrupt-parent = <&crossbar_mpu>;
	chosen { };

	aliases {
		i2c0 = &i2c1;
		i2c1 = &i2c2;
		i2c2 = &i2c3;
		i2c3 = &i2c4;
		i2c4 = &i2c5;
		serial0 = &uart1;
		serial1 = &uart2;
		serial2 = &uart3;
		serial3 = &uart4;
		serial4 = &uart5;
		serial5 = &uart6;
		serial6 = &uart7;
		serial7 = &uart8;
		serial8 = &uart9;
		serial9 = &uart10;
		ethernet0 = &cpsw_port1;
		ethernet1 = &cpsw_port2;
		d_can0 = &dcan1;
		d_can1 = &dcan2;
		spi0 = &qspi;
	};

	timer {
		compatible = "arm,armv7-timer";
		status = "disabled";	/* See ARM architected timer wrap erratum i940 */
		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
		interrupt-parent = <&gic>;
	};

	gic: interrupt-controller@48211000 {
		compatible = "arm,cortex-a15-gic";
		interrupt-controller;
		#interrupt-cells = <3>;
		reg = <0x0 0x48211000 0x0 0x1000>,
		      <0x0 0x48212000 0x0 0x2000>,
		      <0x0 0x48214000 0x0 0x2000>,
		      <0x0 0x48216000 0x0 0x2000>;
		interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
		interrupt-parent = <&gic>;
	};

	wakeupgen: interrupt-controller@48281000 {
		compatible = "ti,omap5-wugen-mpu", "ti,omap4-wugen-mpu";
		interrupt-controller;

Annotation

Implementation Notes