arch/arm64/boot/dts/freescale/imx8mm-kontron-sl.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mm-kontron-sl.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mm-kontron-sl.dtsi
Extension
.dtsi
Size
7355 bytes
Lines
315
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
/*
 * Copyright (C) 2019 Kontron Electronics GmbH
 */

#include "imx8mm.dtsi"

/ {
	model = "Kontron SL i.MX8MM (N801X SOM)";
	compatible = "kontron,imx8mm-sl", "fsl,imx8mm";

	memory@40000000 {
		device_type = "memory";
		/*
		 * There are multiple SoM flavors with different DDR sizes.
		 * The smallest is 1GB. For larger sizes the bootloader will
		 * update the reg property.
		 */
		reg = <0x0 0x40000000 0 0x80000000>;
	};

	chosen {
		stdout-path = &uart3;
	};
};

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

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

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

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

&ddrc {
	operating-points-v2 = <&ddrc_opp_table>;

	ddrc_opp_table: opp-table {
		compatible = "operating-points-v2";

		opp-100000000 {
			opp-hz = /bits/ 64 <100000000>;
		};

		opp-750000000 {
			opp-hz = /bits/ 64 <750000000>;
		};
	};
};

&ecspi1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_ecspi1>;
	cs-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
	status = "okay";

	flash@0 {
		compatible = "mxicy,mx25r1635f", "jedec,spi-nor";
		spi-max-frequency = <80000000>;
		reg = <0>;

		partitions {

Annotation

Implementation Notes