arch/arm/boot/dts/st/stm32mp15xx-phycore-som.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/stm32mp15xx-phycore-som.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/stm32mp15xx-phycore-som.dtsi
Extension
.dtsi
Size
7901 bytes
Lines
365
Domain
Architecture Layer
Bucket
arch/arm
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+ OR BSD-3-Clause)
/*
 * Copyright (C) Phytec GmbH 2019-2020 - All Rights Reserved
 * Author: Dom VOVARD <dom.vovard@linrt.com>
 * Copyright (C) 2022-2023 Steffen Trumtrar <kernel@pengutronix.de>
 * Copyright (C) 2024 PHYTEC Messtechnik GmbH
 * Author: Christophe Parant <c.parant@phytec.fr>
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/mfd/st,stpmic1.h>
#include <dt-bindings/net/ti-dp83867.h>
#include "stm32mp15-pinctrl.dtsi"
#include "stm32mp15xxac-pinctrl.dtsi"

/ {

	aliases {
		ethernet0 = &ethernet0;
		rtc0 = &i2c4_rtc;
		rtc1 = &rtc;
	};

	/*
	 * Set the minimum memory size here and
	 * let the bootloader set the real size.
	 */
	memory@c0000000 {
		device_type = "memory";
		reg = <0xc0000000 0x20000000>;
	};

	reserved-memory {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		mcuram2: mcuram2@10000000 {
			compatible = "shared-dma-pool";
			reg = <0x10000000 0x40000>;
			no-map;
		};

		vdev0vring0: vdev0vring0@10040000 {
			compatible = "shared-dma-pool";
			reg = <0x10040000 0x1000>;
			no-map;
		};

		vdev0vring1: vdev0vring1@10041000 {
			compatible = "shared-dma-pool";
			reg = <0x10041000 0x1000>;
			no-map;
		};

		vdev0buffer: vdev0buffer@10042000 {
			compatible = "shared-dma-pool";
			reg = <0x10042000 0x4000>;
			no-map;
		};

		mcuram: mcuram@30000000 {
			compatible = "shared-dma-pool";
			reg = <0x30000000 0x40000>;
			no-map;
		};

		retram: retram@38000000 {
			compatible = "shared-dma-pool";

Annotation

Implementation Notes