arch/arm64/boot/dts/ti/k3-am64-mcu.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-am64-mcu.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-am64-mcu.dtsi
Extension
.dtsi
Size
4856 bytes
Lines
178
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 AM64 SoC Family MCU Domain peripherals
 *
 * Copyright (C) 2020-2024 Texas Instruments Incorporated - https://www.ti.com/
 */

&cbass_mcu {
	/*
	 * The MCU domain timer interrupts are routed only to the ESM module,
	 * and not currently available for Linux. The MCU domain timers are
	 * of limited use without interrupts, and likely reserved by the ESM.
	 */
	mcu_timer0: timer@4800000 {
		compatible = "ti,am654-timer";
		reg = <0x00 0x4800000 0x00 0x400>;
		clocks = <&k3_clks 35 1>;
		clock-names = "fck";
		power-domains = <&k3_pds 35 TI_SCI_PD_EXCLUSIVE>;
		ti,timer-pwm;
		status = "reserved";
	};

	mcu_timer1: timer@4810000 {
		compatible = "ti,am654-timer";
		reg = <0x00 0x4810000 0x00 0x400>;
		clocks = <&k3_clks 48 1>;
		clock-names = "fck";
		power-domains = <&k3_pds 48 TI_SCI_PD_EXCLUSIVE>;
		ti,timer-pwm;
		status = "reserved";
	};

	mcu_timer2: timer@4820000 {
		compatible = "ti,am654-timer";
		reg = <0x00 0x4820000 0x00 0x400>;
		clocks = <&k3_clks 49 1>;
		clock-names = "fck";
		power-domains = <&k3_pds 49 TI_SCI_PD_EXCLUSIVE>;
		ti,timer-pwm;
		status = "reserved";
	};

	mcu_timer3: timer@4830000 {
		compatible = "ti,am654-timer";
		reg = <0x00 0x4830000 0x00 0x400>;
		clocks = <&k3_clks 50 1>;
		clock-names = "fck";
		power-domains = <&k3_pds 50 TI_SCI_PD_EXCLUSIVE>;
		ti,timer-pwm;
		status = "reserved";
	};

	mcu_uart0: serial@4a00000 {
		compatible = "ti,am64-uart", "ti,am654-uart";
		reg = <0x00 0x04a00000 0x00 0x100>;
		interrupts = <GIC_SPI 185 IRQ_TYPE_LEVEL_HIGH>;
		power-domains = <&k3_pds 149 TI_SCI_PD_EXCLUSIVE>;
		clocks = <&k3_clks 149 0>;
		clock-names = "fclk";
		status = "disabled";
	};

	mcu_uart1: serial@4a10000 {
		compatible = "ti,am64-uart", "ti,am654-uart";
		reg = <0x00 0x04a10000 0x00 0x100>;
		interrupts = <GIC_SPI 186 IRQ_TYPE_LEVEL_HIGH>;
		power-domains = <&k3_pds 160 TI_SCI_PD_EXCLUSIVE>;
		clocks = <&k3_clks 160 0>;
		clock-names = "fclk";

Annotation

Implementation Notes