arch/arm/boot/dts/st/stm32f746-disco.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/stm32f746-disco.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/stm32f746-disco.dts
Extension
.dts
Size
5735 bytes
Lines
235
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

/dts-v1/;
#include "stm32f746.dtsi"
#include "stm32f746-pinctrl.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/leds/common.h>

/ {
	model = "STMicroelectronics STM32F746-DISCO board";
	compatible = "st,stm32f746-disco", "st,stm32f746";

	chosen {
		bootargs = "root=/dev/ram";
		stdout-path = "serial0:115200n8";
	};

	memory@c0000000 {
		device_type = "memory";
		reg = <0xC0000000 0x800000>;
	};

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

		linux,cma {
			compatible = "shared-dma-pool";
			no-map;
			size = <0x80000>;
			linux,dma-default;
		};
	};

	aliases {
		serial0 = &usart1;
	};

	leds {
		compatible = "gpio-leds";
		led_usr: led-usr {
			function = LED_FUNCTION_HEARTBEAT;
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&gpioi 1 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};
	};

	gpio-keys {
		compatible = "gpio-keys";
		autorepeat;
		button-0 {
			label = "User";
			linux,code = <KEY_HOME>;
			gpios = <&gpioi 11 GPIO_ACTIVE_HIGH>;
		};
	};

	options {
		u-boot {
			compatible = "u-boot,config";
			boot-led = <&led_usr>;
		};
	};

	usbotg_hs_phy: usb-phy {
		#phy-cells = <0>;
		compatible = "usb-nop-xceiv";
		clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;

Annotation

Implementation Notes