arch/arm/boot/dts/st/stm32f4-pinctrl.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/stm32f4-pinctrl.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/stm32f4-pinctrl.dtsi
Extension
.dtsi
Size
14311 bytes
Lines
483
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

#include <dt-bindings/pinctrl/stm32-pinfunc.h>
#include <dt-bindings/mfd/stm32f4-rcc.h>

/ {
	soc {
		pinctrl: pinctrl@40020000 {
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0 0x40020000 0x3000>;
			interrupt-parent = <&exti>;
			st,syscfg = <&syscfg 0x8>;

			gpioa: gpio@40020000 {
				gpio-controller;
				#gpio-cells = <2>;
				interrupt-controller;
				#interrupt-cells = <2>;
				reg = <0x0 0x400>;
				clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOA)>;
				st,bank-name = "GPIOA";
			};

			gpiob: gpio@40020400 {
				gpio-controller;
				#gpio-cells = <2>;
				interrupt-controller;
				#interrupt-cells = <2>;
				reg = <0x400 0x400>;
				clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOB)>;
				st,bank-name = "GPIOB";
			};

			gpioc: gpio@40020800 {
				gpio-controller;
				#gpio-cells = <2>;
				interrupt-controller;
				#interrupt-cells = <2>;
				reg = <0x800 0x400>;
				clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOC)>;
				st,bank-name = "GPIOC";
			};

			gpiod: gpio@40020c00 {
				gpio-controller;
				#gpio-cells = <2>;
				interrupt-controller;
				#interrupt-cells = <2>;
				reg = <0xc00 0x400>;
				clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOD)>;
				st,bank-name = "GPIOD";
			};

			gpioe: gpio@40021000 {
				gpio-controller;
				#gpio-cells = <2>;
				interrupt-controller;
				#interrupt-cells = <2>;
				reg = <0x1000 0x400>;
				clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOE)>;
				st,bank-name = "GPIOE";
			};

			gpiof: gpio@40021400 {
				gpio-controller;
				#gpio-cells = <2>;
				interrupt-controller;
				#interrupt-cells = <2>;
				reg = <0x1400 0x400>;
				clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOF)>;
				st,bank-name = "GPIOF";

Annotation

Implementation Notes