arch/arm/boot/dts/ti/keystone/keystone.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/keystone/keystone.dtsi
Extension
.dtsi
Size
9484 bytes
Lines
355
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
/*
 * Copyright (C) 2013-2017 Texas Instruments Incorporated - https://www.ti.com/
 */

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/gpio/gpio.h>

/ {
	compatible = "ti,keystone";
	model = "Texas Instruments Keystone 2 SoC";
	#address-cells = <2>;
	#size-cells = <2>;
	interrupt-parent = <&gic>;

	aliases {
		serial0 = &uart0;
		spi0 = &spi0;
		spi1 = &spi1;
		spi2 = &spi2;
	};

	chosen { };

	memory: memory@80000000 {
		device_type = "memory";
		reg = <0x00000000 0x80000000 0x00000000 0x40000000>;
	};

	gic: interrupt-controller@2561000 {
		compatible = "arm,gic-400", "arm,cortex-a15-gic";
		#interrupt-cells = <3>;
		interrupt-controller;
		reg = <0x0 0x02561000 0x0 0x1000>,
		      <0x0 0x02562000 0x0 0x2000>,
		      <0x0 0x02564000 0x0 0x2000>,
		      <0x0 0x02566000 0x0 0x2000>;
		interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) |
				IRQ_TYPE_LEVEL_HIGH)>;
	};

	timer {
		compatible = "arm,armv7-timer";
		interrupts =
			<GIC_PPI 13
				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
			<GIC_PPI 14
				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
			<GIC_PPI 11
				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
			<GIC_PPI 10
				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
	};

	pmu {
		compatible = "arm,cortex-a15-pmu";
		interrupts = <GIC_SPI 20 IRQ_TYPE_EDGE_RISING>,
			     <GIC_SPI 21 IRQ_TYPE_EDGE_RISING>,
			     <GIC_SPI 22 IRQ_TYPE_EDGE_RISING>,
			     <GIC_SPI 23 IRQ_TYPE_EDGE_RISING>;
	};

	psci {
		compatible = "arm,psci";
		method = "smc";
		cpu_suspend = <0x84000001>;
		cpu_off = <0x84000002>;
		cpu_on = <0x84000003>;
	};

Annotation

Implementation Notes