arch/arm64/boot/dts/ti/k3-j784s4-j742s2-mcu-wakeup-common.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-mcu-wakeup-common.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-j784s4-j742s2-mcu-wakeup-common.dtsi
Extension
.dtsi
Size
22102 bytes
Lines
783
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 J784S4 and J742S2 SoC Family MCU/WAKEUP Domain peripherals
 *
 * Copyright (C) 2022-2024 Texas Instruments Incorporated - https://www.ti.com/
 */

&cbass_mcu_wakeup {
	sms: system-controller@44083000 {
		compatible = "ti,k2g-sci";
		ti,host-id = <12>;

		mbox-names = "rx", "tx";

		mboxes = <&secure_proxy_main 11>,
			 <&secure_proxy_main 13>;

		reg-names = "debug_messages";
		reg = <0x00 0x44083000 0x00 0x1000>;

		k3_pds: power-controller {
			bootph-all;
			compatible = "ti,sci-pm-domain";
			#power-domain-cells = <2>;
		};

		k3_clks: clock-controller {
			bootph-all;
			compatible = "ti,k2g-sci-clk";
			#clock-cells = <2>;
		};

		k3_reset: reset-controller {
			bootph-all;
			compatible = "ti,sci-reset";
			#reset-cells = <2>;
		};
	};

	wkup_conf: bus@43000000 {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0x0 0x00 0x43000000 0x20000>;

		chipid: chipid@14 {
			bootph-all;
			compatible = "ti,am654-chipid";
			reg = <0x14 0x4>;
		};
	};

	secure_proxy_sa3: mailbox@43600000 {
		compatible = "ti,am654-secure-proxy";
		#mbox-cells = <1>;
		reg-names = "target_data", "rt", "scfg";
		reg = <0x00 0x43600000 0x00 0x10000>,
		      <0x00 0x44880000 0x00 0x20000>,
		      <0x00 0x44860000 0x00 0x20000>;
		bootph-pre-ram;

		/*
		 * Marked Disabled:
		 * Node is incomplete as it is meant for bootloaders and
		 * firmware on non-MPU processors
		 */
		status = "disabled";
	};

	mcu_ram: sram@41c00000 {

Annotation

Implementation Notes