arch/arm64/boot/dts/ti/k3-am64-phycore-som.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-am64-phycore-som.dtsi
Extension
.dtsi
Size
7595 bytes
Lines
298
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) 2021-2024 PHYTEC America, LLC - https://www.phytec.com
 * Author: Matt McKee <mmckee@phytec.com>
 *
 * Copyright (C) 2022-2024 PHYTEC Messtechnik GmbH
 * Author: Wadim Egorov <w.egorov@phytec.de>
 *
 * Product homepage:
 * https://www.phytec.com/product/phycore-am64x
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/net/ti-dp83867.h>

/ {
	model = "PHYTEC phyCORE-AM64x";
	compatible = "phytec,am64-phycore-som", "ti,am642";

	aliases {
		ethernet0 = &cpsw_port1;
		mmc0 = &sdhci0;
		rtc0 = &i2c_som_rtc;
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
		bootph-all;
	};

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

		secure_ddr: optee@9e800000 {
			reg = <0x00 0x9e800000 0x00 0x01800000>; /* for OP-TEE */
			alignment = <0x1000>;
			no-map;
		};

		main_r5fss0_core0_dma_memory_region: memory@a0000000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0xa0000000 0x00 0x100000>;
			no-map;
		};

		main_r5fss0_core0_memory_region: memory@a0100000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0xa0100000 0x00 0xf00000>;
			no-map;
		};
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&leds_pins_default>;

		led-0 {
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&main_gpio0 12 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
			function = LED_FUNCTION_HEARTBEAT;
		};
	};

	vcc_5v0_som: regulator-vcc-5v0-som {

Annotation

Implementation Notes