arch/arm/boot/dts/st/stm32mp15xx-osd32.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/stm32mp15xx-osd32.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/stm32mp15xx-osd32.dtsi
Extension
.dtsi
Size
4940 bytes
Lines
230
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 "stm32mp15-pinctrl.dtsi"

#include <dt-bindings/mfd/st,stpmic1.h>

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

		mcuram2: mcuram2@10000000 {
			compatible = "shared-dma-pool";
			reg = <0x10000000 0x40000>;
			no-map;
		};

		vdev0vring0: vdev0vring0@10040000 {
			compatible = "shared-dma-pool";
			reg = <0x10040000 0x1000>;
			no-map;
		};

		vdev0vring1: vdev0vring1@10041000 {
			compatible = "shared-dma-pool";
			reg = <0x10041000 0x1000>;
			no-map;
		};

		vdev0buffer: vdev0buffer@10042000 {
			compatible = "shared-dma-pool";
			reg = <0x10042000 0x4000>;
			no-map;
		};

		mcuram: mcuram@30000000 {
			compatible = "shared-dma-pool";
			reg = <0x30000000 0x40000>;
			no-map;
		};

		retram: retram@38000000 {
			compatible = "shared-dma-pool";
			reg = <0x38000000 0x10000>;
			no-map;
		};
	};
};

&i2c4 {
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&i2c4_pins_a>;
	pinctrl-1 = <&i2c4_sleep_pins_a>;
	clock-frequency = <400000>;
	i2c-scl-rising-time-ns = <185>;
	i2c-scl-falling-time-ns = <20>;
	status = "okay";

	pmic: stpmic@33 {
		compatible = "st,stpmic1";
		reg = <0x33>;
		interrupts-extended = <&gpioa 0 IRQ_TYPE_EDGE_FALLING>;
		interrupt-controller;
		#interrupt-cells = <2>;

		regulators {
			compatible = "st,stpmic1-regulators";

			ldo1-supply = <&v3v3>;
			ldo3-supply = <&vdd_ddr>;
			ldo6-supply = <&v3v3>;

Annotation

Implementation Notes