arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/stm32h7-pinctrl.dtsi
Extension
.dtsi
Size
8624 bytes
Lines
302
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>

&pinctrl {

	i2c1_pins_a: i2c1-0 {
		pins {
			pinmux = <STM32_PINMUX('B', 6, AF4)>, /* I2C1_SCL */
				 <STM32_PINMUX('B', 7, AF4)>; /* I2C1_SDA */
			bias-disable;
			drive-open-drain;
			slew-rate = <0>;
		};
	};

	ethernet_rmii: rmii-0 {
		pins {
			pinmux = <STM32_PINMUX('G', 11, AF11)>,
				 <STM32_PINMUX('G', 13, AF11)>,
				 <STM32_PINMUX('G', 12, AF11)>,
				 <STM32_PINMUX('C', 4, AF11)>,
				 <STM32_PINMUX('C', 5, AF11)>,
				 <STM32_PINMUX('A', 7, AF11)>,
				 <STM32_PINMUX('C', 1, AF11)>,
				 <STM32_PINMUX('A', 2, AF11)>,
				 <STM32_PINMUX('A', 1, AF11)>;
			slew-rate = <2>;
		};
	};

	sdmmc1_b4_pins_a: sdmmc1-b4-0 {
		pins {
			pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */
				 <STM32_PINMUX('C', 9, AF12)>, /* SDMMC1_D1 */
				 <STM32_PINMUX('C', 10, AF12)>, /* SDMMC1_D2 */
				 <STM32_PINMUX('C', 11, AF12)>, /* SDMMC1_D3 */
				 <STM32_PINMUX('C', 12, AF12)>, /* SDMMC1_CK */
				 <STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */
			slew-rate = <3>;
			drive-push-pull;
			bias-disable;
		};
	};

	sdmmc1_b4_od_pins_a: sdmmc1-b4-od-0 {
		pins1 {
			pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1_D0 */
				 <STM32_PINMUX('C', 9, AF12)>, /* SDMMC1_D1 */
				 <STM32_PINMUX('C', 10, AF12)>, /* SDMMC1_D2 */
				 <STM32_PINMUX('C', 11, AF12)>, /* SDMMC1_D3 */
				 <STM32_PINMUX('C', 12, AF12)>; /* SDMMC1_CK */
			slew-rate = <3>;
			drive-push-pull;
			bias-disable;
		};
		pins2 {
			pinmux = <STM32_PINMUX('D', 2, AF12)>; /* SDMMC1_CMD */
			slew-rate = <3>;
			drive-open-drain;
			bias-disable;
		};
	};

	sdmmc1_b4_sleep_pins_a: sdmmc1-b4-sleep-0 {
		pins {
			pinmux = <STM32_PINMUX('C', 8, ANALOG)>, /* SDMMC1_D0 */
				 <STM32_PINMUX('C', 9, ANALOG)>, /* SDMMC1_D1 */
				 <STM32_PINMUX('C', 10, ANALOG)>, /* SDMMC1_D2 */
				 <STM32_PINMUX('C', 11, ANALOG)>, /* SDMMC1_D3 */
				 <STM32_PINMUX('C', 12, ANALOG)>, /* SDMMC1_CK */
				 <STM32_PINMUX('D', 2, ANALOG)>; /* SDMMC1_CMD */

Annotation

Implementation Notes