arch/arm64/boot/dts/freescale/imx8x-colibri-iris-v2.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8x-colibri-iris-v2.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8x-colibri-iris-v2.dtsi
Extension
.dtsi
Size
1231 bytes
Lines
46
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-later OR MIT
/*
 * Copyright 2018-2021 Toradex
 */

#include "imx8x-colibri-iris.dtsi"

/ {
	reg_3v3_vmmc: regulator-3v3-vmmc {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_enable_3v3_vmmc>;
		enable-active-high;
		gpio = <&lsio_gpio0 31 GPIO_ACTIVE_HIGH>;
		regulator-max-microvolt = <3300000>;
		regulator-min-microvolt = <3300000>;
		regulator-name = "3v3_vmmc";
		startup-delay-us = <100>;
	};
};

&iomuxc {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_lvds_converter &pinctrl_gpio_iris>;

	pinctrl_enable_3v3_vmmc: enable-3v3-vmmc-grp {
		fsl,pins = <IMX8QXP_SAI1_RXFS_LSIO_GPIO0_IO31	0x20>;	/* SODIMM 100 */
	};

	pinctrl_lvds_converter: lvds-converter-grp {
		fsl,pins = <IMX8QXP_FLEXCAN1_TX_LSIO_GPIO1_IO18		0x20>,	/* SODIMM  55 */
			   /* 6B/8B mode. Select LOW - 8B mode (24bit) */
			   <IMX8QXP_FLEXCAN1_RX_LSIO_GPIO1_IO17		0x20>,	/* SODIMM  63 */
			   <IMX8QXP_QSPI0B_SCLK_LSIO_GPIO3_IO17		0x20>,	/* SODIMM  95 */
			   <IMX8QXP_QSPI0B_DATA0_LSIO_GPIO3_IO18	0x20>;	/* SODIMM  99 */
	};
};

/* Colibri SD/MMC Card */
&usdhc2 {
	cap-power-off-card;
	/delete-property/ no-1-8-v;
	vmmc-supply = <&reg_3v3_vmmc>;
	status = "okay";
};

Annotation

Implementation Notes