arch/arm/boot/dts/nxp/imx/imx53-tqma53.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/imx53-tqma53.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx53-tqma53.dtsi
Extension
.dtsi
Size
6347 bytes
Lines
273
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
/*
 * Copyright 2012 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
 * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>, Pengutronix
 */

#include "imx53.dtsi"

/ {
	model = "TQ TQMa53";
	compatible = "tq,tqma53", "fsl,imx53";

	memory@70000000 {
		device_type = "memory";
		reg = <0x70000000 0x40000000>; /* Up to 1GiB */
	};

	reg_3p3v: regulator-3p3v {
		compatible = "regulator-fixed";
		regulator-name = "3P3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};
};

&esdhc2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_esdhc2>,
		    <&pinctrl_esdhc2_cdwp>;
	vmmc-supply = <&reg_3p3v>;
	wp-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
	cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
	status = "disabled";
};

&uart3 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart3>;
	status = "disabled";
};

&ecspi1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_ecspi1>;
	cs-gpios = <&gpio2 30 GPIO_ACTIVE_LOW>, <&gpio3 19 GPIO_ACTIVE_LOW>,
		   <&gpio3 24 GPIO_ACTIVE_LOW>, <&gpio3 25 GPIO_ACTIVE_LOW>;
	status = "disabled";
};

&esdhc3 { /* EMMC */
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_esdhc3>;
	vmmc-supply = <&reg_3p3v>;
	non-removable;
	bus-width = <8>;
	status = "okay";
};

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

	pinctrl_hog: hoggrp {
		fsl,pins = <
			 MX53_PAD_GPIO_0__CCM_SSI_EXT1_CLK 0x80000000 /* SSI_MCLK */
			 MX53_PAD_PATA_DA_1__GPIO7_7     0x80000000 /* LCD_BLT_EN */
			 MX53_PAD_PATA_DA_2__GPIO7_8     0x80000000 /* LCD_RESET */
			 MX53_PAD_PATA_DATA5__GPIO2_5    0x80000000 /* LCD_POWER */
			 MX53_PAD_PATA_DATA6__GPIO2_6    0x80000000 /* PMIC_INT */

Annotation

Implementation Notes