arch/arm64/boot/dts/ti/k3-am62a.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-am62a.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-am62a.dtsi
Extension
.dtsi
Size
5832 bytes
Lines
155
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 AM62A SoC Family
 *
 * Copyright (C) 2022-2024 Texas Instruments Incorporated - https://www.ti.com/
 */

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

#include "k3-pinctrl.h"

/ {
	model = "Texas Instruments K3 AM62A SoC";
	compatible = "ti,am62a7";
	interrupt-parent = <&gic500>;
	#address-cells = <2>;
	#size-cells = <2>;

	chosen { };

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

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

	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>;
	};

	system-idle-states {
		system_partial_io: system-partial-io {
			compatible = "system-idle-state";
			idle-state-name = "off-wake";
		};

		system_io_ddr: system-io-ddr {
			compatible = "system-idle-state";
			idle-state-name = "mem-deep";
		};

		system_deep_sleep: system-deep-sleep {
			compatible = "system-idle-state";
			idle-state-name = "mem";
		};

		system_mcu_only: system-mcu-only {
			compatible = "system-idle-state";
			idle-state-name = "mem-mcu-active";
		};

		system_standby: system-standby {

Annotation

Implementation Notes