arch/arm64/boot/dts/freescale/imx8mm-evk.dts

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mm-evk.dts
Extension
.dts
Size
3718 bytes
Lines
129
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 2019-2020 NXP
 */

/dts-v1/;

#include <dt-bindings/usb/pd.h>
#include "imx8mm-evk.dtsi"

/ {
	model = "FSL i.MX8MM EVK board";
	compatible = "fsl,imx8mm-evk", "fsl,imx8mm";

	aliases {
		spi0 = &flexspi;
	};
};

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

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

		opp-25000000 {
			opp-hz = /bits/ 64 <25000000>;
		};

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

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

&flexspi {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_flexspi>;
	status = "okay";

	flash@0 {
		reg = <0>;
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "jedec,spi-nor";
		spi-max-frequency = <80000000>;
		spi-tx-bus-width = <1>;
		spi-rx-bus-width = <4>;
	};
};

&usdhc3 {
	assigned-clocks = <&clk IMX8MM_CLK_USDHC3_ROOT>;
	assigned-clock-rates = <400000000>;
	pinctrl-names = "default", "state_100mhz", "state_200mhz";
	pinctrl-0 = <&pinctrl_usdhc3>;
	pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
	pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
	bus-width = <8>;
	non-removable;
	status = "okay";
};

&iomuxc {
	pinctrl_flexspi: flexspigrp {
		fsl,pins = <

Annotation

Implementation Notes