arch/arm/boot/dts/nxp/mxs/imx23-stmp378x_devb.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/mxs/imx23-stmp378x_devb.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/mxs/imx23-stmp378x_devb.dts
Extension
.dts
Size
1452 bytes
Lines
70
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 Freescale Semiconductor, Inc.
 */

/dts-v1/;
#include "imx23.dtsi"

/ {
	model = "Freescale STMP378x Development Board";
	compatible = "fsl,stmp378x-devb", "fsl,imx23";

	memory@40000000 {
		device_type = "memory";
		reg = <0x40000000 0x04000000>;
	};

	apb@80000000 {
		apbh-bus@80000000 {
			ssp0: spi@80010000 {
				compatible = "fsl,imx23-mmc";
				pinctrl-names = "default";
				pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_pins_fixup>;
				bus-width = <4>;
				wp-gpios = <&gpio1 30 0>;
				vmmc-supply = <&reg_vddio_sd0>;
				status = "okay";
			};

			pinctrl@80018000 {
				pinctrl-names = "default";
				pinctrl-0 = <&hog_pins_a>;

				hog_pins_a: hog@0 {
					reg = <0>;
					fsl,pinmux-ids = <
						MX23_PAD_PWM3__GPIO_1_29
						MX23_PAD_PWM4__GPIO_1_30
					>;
					fsl,drive-strength = <MXS_DRIVE_4mA>;
					fsl,voltage = <MXS_VOLTAGE_HIGH>;
					fsl,pull-up = <MXS_PULL_DISABLE>;
				};
			};
		};

		apbx-bus@80040000 {
			auart0: serial@8006c000 {
				pinctrl-names = "default";
				pinctrl-0 = <&auart0_pins_a>;
				status = "okay";
			};

			duart: serial@80070000 {
				pinctrl-names = "default";
				pinctrl-0 = <&duart_pins_a>;
				status = "okay";
			};
		};
	};

	reg_vddio_sd0: regulator-0 {
		compatible = "regulator-fixed";
		regulator-name = "vddio-sd0";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio1 29 0>;
	};
};

Annotation

Implementation Notes