arch/arm/boot/dts/nxp/imx/imx6dl-colibri-iris.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/imx6dl-colibri-iris.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx6dl-colibri-iris.dts
Extension
.dts
Size
2567 bytes
Lines
154
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-later OR MIT
/*
 * Copyright 2022 Toradex
 */

/dts-v1/;

#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include "imx6dl.dtsi"
#include "imx6qdl-colibri.dtsi"

/ {
	model = "Toradex Colibri iMX6DL/S on Colibri Iris Board";
	compatible = "toradex,colibri_imx6dl-iris", "toradex,colibri_imx6dl",
		     "fsl,imx6dl";

	aliases {
		i2c0 = &i2c2;
		i2c1 = &i2c3;
	};

	aliases {
		rtc0 = &rtc_i2c;
		rtc1 = &snvs_rtc;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};
};

/* Colibri SSP */
&ecspi4 {
	status = "okay";
};

&gpio2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart1_forceoff &pinctrl_uart23_forceoff>;

	/*
	 * uart-a-on-x13-enable turns the UART transceiver for UART_A on. If one
	 * wants to turn the transceiver off, that property has to be deleted
	 * and the gpio handled in userspace.
	 * The same applies to uart-b-c-on-x14-enable where the UART_B and
	 * UART_C transceiver is turned on.
	 */
	uart-a-on-x13-enable-hog {
		gpio-hog;
		gpios = <4 GPIO_ACTIVE_HIGH>; /* SODIMM 102 */
		output-high;
	};

	uart-b-c-on-x14-enable-hog {
		gpio-hog;
		gpios = <8 GPIO_ACTIVE_HIGH>; /* SODIMM 104 */
		output-high;
	};
};

/*
 * Colibri I2C: I2C3_SDA/SCL on SODIMM 194/196 (e.g. RTC on carrier board)
 */
&i2c3 {
	status = "okay";

	rtc_i2c: rtc@68 {
		compatible = "st,m41t0";
		reg = <0x68>;

Annotation

Implementation Notes