arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mq-kontron-pitx-imx8m.dts
Extension
.dts
Size
14517 bytes
Lines
612
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)
/*
 * Device Tree File for the Kontron pitx-imx8m board.
 *
 * Copyright (C) 2021 Heiko Thiery <heiko.thiery@gmail.com>
 */

/dts-v1/;

#include "imx8mq.dtsi"
#include <dt-bindings/net/ti-dp83867.h>

/ {
	model = "Kontron pITX-imx8m";
	compatible = "kontron,pitx-imx8m", "fsl,imx8mq";

	aliases {
		i2c0 = &i2c1;
		i2c1 = &i2c2;
		i2c2 = &i2c3;
		mmc0 = &usdhc1;
		mmc1 = &usdhc2;
		serial0 = &uart1;
		serial1 = &uart2;
		serial2 = &uart3;
		spi0 = &qspi0;
		spi1 = &ecspi2;
	};

	chosen {
		stdout-path = "serial2:115200n8";
	};

	pcie0_refclk: pcie0-clock {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <100000000>;
	};

	pcie1_refclk: pcie1-clock {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <100000000>;
	};

	reg_usdhc2_vmmc: regulator-usdhc2-vmmc {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usdhc2>;
		regulator-name = "V_3V3_SD";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
		off-on-delay-us = <20000>;
		enable-active-high;
	};
};

&ecspi2 {
	#address-cells = <1>;
	#size-cells = <0>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_ecspi2 &pinctrl_ecspi2_cs>;
	cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
	status = "okay";

	tpm@0 {
		compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
		reg = <0>;
		spi-max-frequency = <43000000>;

Annotation

Implementation Notes