arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/stm32mp13xx-dhcor-som.dtsi
Extension
.dtsi
Size
7315 bytes
Lines
315
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) 2024 Marek Vasut <marex@denx.de>
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/mfd/st,stpmic1.h>
#include <dt-bindings/regulator/st,stm32mp13-regulator.h>
#include "stm32mp13-pinctrl.dtsi"

/ {
	model = "DH electronics STM32MP13xx DHCOR SoM";
	compatible = "dh,stm32mp131a-dhcor-som",
		     "st,stm32mp131";

	aliases {
		mmc0 = &sdmmc2;
		mmc1 = &sdmmc1;
		serial0 = &uart4;
		serial1 = &uart7;
		rtc0 = &rv3032;
		spi0 = &qspi;
	};

	memory@c0000000 {
		device_type = "memory";
		reg = <0xc0000000 0x20000000>;
	};

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

		optee@dd000000 {
			reg = <0xdd000000 0x3000000>;
			no-map;
		};
	};

	sdio_pwrseq: sdio-pwrseq {
		compatible = "mmc-pwrseq-simple";
		reset-gpios = <&gpiof 12 GPIO_ACTIVE_LOW>;
	};

	vin: vin {
		compatible = "regulator-fixed";
		regulator-name = "vin";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
	};
};

&i2c3 {
	i2c-scl-rising-time-ns = <96>;
	i2c-scl-falling-time-ns = <3>;
	clock-frequency = <400000>;
	status = "okay";
	/* spare dmas for other usage */
	/delete-property/dmas;
	/delete-property/dma-names;

	pmic: stpmic@33 {
		compatible = "st,stpmic1";
		reg = <0x33>;
		interrupts-extended = <&gpioi 3 IRQ_TYPE_EDGE_FALLING>;
		interrupt-controller;

Annotation

Implementation Notes