arch/arm/boot/dts/st/stm32mp15-scmi.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/stm32mp15-scmi.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/stm32mp15-scmi.dtsi
Extension
.dtsi
Size
1836 bytes
Lines
93
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) STMicroelectronics 2022 - All Rights Reserved
 * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics.
 */

#include <dt-bindings/regulator/st,stm32mp15-regulator.h>

/ {
	firmware {
		optee: optee {
			compatible = "linaro,optee-tz";
			method = "smc";
			interrupt-parent = <&intc>;
			interrupts = <GIC_PPI 15 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>;
		};

		scmi: scmi {
			compatible = "linaro,scmi-optee";
			#address-cells = <1>;
			#size-cells = <0>;
			linaro,optee-channel-id = <0>;

			scmi_clk: protocol@14 {
				reg = <0x14>;
				#clock-cells = <1>;
			};

			scmi_reset: protocol@16 {
				reg = <0x16>;
				#reset-cells = <1>;
			};

			scmi_voltd: protocol@17 {
				reg = <0x17>;

				scmi_reguls: regulators {
					#address-cells = <1>;
					#size-cells = <0>;

					scmi_reg11: regulator@0 {
						reg = <VOLTD_SCMI_REG11>;
						regulator-name = "reg11";
						regulator-min-microvolt = <1100000>;
						regulator-max-microvolt = <1100000>;
					};

					scmi_reg18: regulator@1 {
						reg = <VOLTD_SCMI_REG18>;
						regulator-name = "reg18";
						regulator-min-microvolt = <1800000>;
						regulator-max-microvolt = <1800000>;
					};

					scmi_usb33: regulator@2 {
						reg = <VOLTD_SCMI_USB33>;
						regulator-name = "usb33";
						regulator-min-microvolt = <3300000>;
						regulator-max-microvolt = <3300000>;
					};
				};
			};
		};
	};
};

&reg11 {
	status = "disabled";
};

Annotation

Implementation Notes