arch/arm/boot/dts/st/stm32mp151a-prtt1s.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/stm32mp151a-prtt1s.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/stm32mp151a-prtt1s.dts
Extension
.dts
Size
1205 bytes
Lines
60
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) Protonic Holland
 * Author: David Jander <david@protonic.nl>
 */
/dts-v1/;

#include "stm32mp151a-prtt1l.dtsi"

/ {
	model = "Protonic PRTT1S";
	compatible = "prt,prtt1s", "st,stm32mp151";
};

&ethernet0 {
	phy-handle = <&phy0>;
};

&i2c1 {
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&i2c1_pins_a>;
	pinctrl-1 = <&i2c1_sleep_pins_a>;
	clock-frequency = <100000>;
	/delete-property/dmas;
	/delete-property/dma-names;
	status = "okay";

	humidity-sensor@40 {
		compatible = "ti,hdc1080";
		reg = <0x40>;
	};

	co2-sensor@62 {
		compatible = "sensirion,scd41";
		reg = <0x62>;
	};
};

&{i2c1_pins_a/pins} {
	pinmux = <STM32_PINMUX('D', 12, AF5)>, /* I2C1_SCL */
		 <STM32_PINMUX('D', 13, AF5)>; /* I2C1_SDA */
};

&{i2c1_sleep_pins_a/pins} {
	pinmux = <STM32_PINMUX('D', 12, ANALOG)>, /* I2C1_SCL */
		 <STM32_PINMUX('D', 13, ANALOG)>; /* I2C1_SDA */
};

&mdio0 {
	/* TI DP83TD510E */
	phy0: ethernet-phy@0 {
		compatible = "ethernet-phy-id2000.0181";
		reg = <0>;
		interrupts-extended = <&gpioa 4 IRQ_TYPE_LEVEL_LOW>;
		reset-gpios = <&gpioa 3 GPIO_ACTIVE_LOW>;
		reset-assert-us = <10>;
		reset-deassert-us = <35>;
	};
};

Annotation

Implementation Notes