arch/arm64/boot/dts/freescale/imx8mn-ddr3l-evk.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mn-ddr3l-evk.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mn-ddr3l-evk.dts
Extension
.dts
Size
2585 bytes
Lines
131
Domain
Architecture Layer
Bucket
arch/arm64
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 MIT)

/dts-v1/;

#include "imx8mn.dtsi"
#include "imx8mn-evk.dtsi"
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	model = "NXP i.MX8MNano DDR3L EVK board";
	compatible = "fsl,imx8mn-ddr3l-evk", "fsl,imx8mn";
};

&A53_0 {
	cpu-supply = <&buck1>;
};

&A53_1 {
	cpu-supply = <&buck1>;
};

&A53_2 {
	cpu-supply = <&buck1>;
};

&A53_3 {
	cpu-supply = <&buck1>;
};

&i2c1 {
	pmic: pmic@25 {
		compatible = "nxp,pca9450b";
		reg = <0x25>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pmic>;
		interrupt-parent = <&gpio1>;
		interrupts = <3 IRQ_TYPE_LEVEL_LOW>;

		regulators {
			buck1: BUCK1 {
				regulator-name = "VDD_SOC_0V9";
				regulator-min-microvolt = <850000>;
				regulator-max-microvolt = <950000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-ramp-delay = <3125>;
			};

			buck4: BUCK4 {
				regulator-name = "VDD_3V3";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-boot-on;
				regulator-always-on;
			};

			buck5: BUCK5 {
				regulator-name = "VDD_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-boot-on;
				regulator-always-on;
			};

			buck6: BUCK6 {
				regulator-name = "NVCC_DRAM_1V35";
				regulator-min-microvolt = <1350000>;
				regulator-max-microvolt = <1350000>;
				regulator-boot-on;
				regulator-always-on;

Annotation

Implementation Notes