arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
Extension
.dts
Size
24024 bytes
Lines
1001
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) 2019-2024 Texas Instruments Incorporated - https://www.ti.com/
 *
 * Product Link: https://www.ti.com/tool/J721EXCPXEVM
 */

/dts-v1/;

#include "k3-j721e-som-p0.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/net/ti-dp83867.h>
#include <dt-bindings/phy/phy-cadence.h>

/ {
	compatible = "ti,j721e-evm", "ti,j721e";
	model = "Texas Instruments J721e EVM";

	aliases {
		serial0 = &wkup_uart0;
		serial1 = &mcu_uart0;
		serial2 = &main_uart0;
		serial3 = &main_uart1;
		serial4 = &main_uart2;
		serial6 = &main_uart4;
		ethernet0 = &cpsw_port1;
		mmc0 = &main_sdhci0;
		mmc1 = &main_sdhci1;
	};

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

	gpio_keys: gpio-keys {
		compatible = "gpio-keys";
		autorepeat;
		pinctrl-names = "default";
		pinctrl-0 = <&sw10_button_pins_default>, <&sw11_button_pins_default>;

		sw10: switch-10 {
			label = "GPIO Key USER1";
			linux,code = <BTN_0>;
			gpios = <&main_gpio0 0 GPIO_ACTIVE_LOW>;
		};

		sw11: switch-11 {
			label = "GPIO Key USER2";
			linux,code = <BTN_1>;
			gpios = <&wkup_gpio0 7 GPIO_ACTIVE_LOW>;
		};
	};

	evm_12v0: fixedregulator-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: fixedregulator-vsys3v3 {
		/* Output of LMS140 */
		compatible = "regulator-fixed";
		regulator-name = "vsys_3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;

Annotation

Implementation Notes