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

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi
Extension
.dtsi
Size
30955 bytes
Lines
1292
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
/*
 * Copyright (C) 2022-2024 Texas Instruments Incorporated - https://www.ti.com/
 *
 * EVM Board Schematics(j784s4): https://www.ti.com/lit/zip/sprr458
 * EVM Board Schematics(j742s2): https://www.ti.com/lit/zip/SPAC001
 */

#include <dt-bindings/phy/phy-cadence.h>

/ {
	chosen {
		stdout-path = "serial2:115200n8";
	};

	aliases {
		serial0 = &wkup_uart0;
		serial1 = &mcu_uart0;
		serial2 = &main_uart8;
		mmc0 = &main_sdhci0;
		mmc1 = &main_sdhci1;
		i2c0 = &wkup_i2c0;
		i2c3 = &main_i2c0;
		ethernet0 = &mcu_cpsw_port1;
		ethernet1 = &main_cpsw1_port1;
	};

	reserved_memory: reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		secure_ddr: optee@9e800000 {
			reg = <0x00 0x9e800000 0x00 0x01800000>;
			no-map;
		};

		mcu_r5fss0_core0_dma_memory_region: memory@a0000000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0xa0000000 0x00 0x100000>;
			no-map;
		};

		mcu_r5fss0_core0_memory_region: memory@a0100000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0xa0100000 0x00 0xf00000>;
			no-map;
		};
	};

	evm_12v0: regulator-evm12v0 {
		/* main supply */
		compatible = "regulator-fixed";
		regulator-name = "evm_12v0";
		regulator-min-microvolt = <12000000>;
		regulator-max-microvolt = <12000000>;
		regulator-always-on;
		regulator-boot-on;
	};

	vsys_3v3: regulator-vsys3v3 {
		/* Output of LM5140 */
		compatible = "regulator-fixed";
		regulator-name = "vsys_3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&evm_12v0>;
		regulator-always-on;
		regulator-boot-on;
	};

Annotation

Implementation Notes