arch/arm64/boot/dts/ti/k3-am62l.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-am62l.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-am62l.dtsi
Extension
.dtsi
Size
4338 bytes
Lines
120
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-only or MIT
/*
 * Device Tree Source for AM62L SoC Family
 * Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com/
 *
 * Technical Reference Manual: https://www.ti.com/lit/pdf/sprujb4
 */

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

#include "k3-pinctrl.h"

/ {
	model = "Texas Instruments K3 AM62L3 SoC";
	compatible = "ti,am62l3";
	interrupt-parent = <&gic500>;
	#address-cells = <2>;
	#size-cells = <2>;

	firmware {
		optee {
			compatible = "linaro,optee-tz";
			method = "smc";
		};

		psci: psci {
			compatible = "arm,psci-1.0";
			method = "smc";
		};

		scmi: scmi {
			compatible = "arm,scmi-smc";
			arm,smc-id = <0x82004000>;
			shmem = <&scmi_shmem>;
			#address-cells = <1>;
			#size-cells = <0>;

			scmi_clk: protocol@14 {
				reg = <0x14>;
				#clock-cells = <1>;
				bootph-all;
			};

			scmi_pds: protocol@11 {
				reg = <0x11>;
				#power-domain-cells = <1>;
				bootph-all;
			};
		};
	};

	a53_timer0: timer-cl0-cpu0 {
		compatible = "arm,armv8-timer";
		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>, /* cntpsirq */
			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>, /* cntpnsirq */
			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>, /* cntvirq */
			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>; /* cnthpirq */
	};

	pmu: pmu {
		compatible = "arm,cortex-a53-pmu";
		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
	};

	cbass_main: bus@f0000 {
		compatible = "simple-bus";
		ranges = <0x00 0x00600000 0x00 0x00600000 0x00 0x00010100>, /* GPIO */
			 <0x00 0x01000000 0x00 0x01000000 0x00 0x01b28400>, /* First Peripheral Window */

Annotation

Implementation Notes