arch/arm/boot/dts/nxp/imx/imx7d-pico-hobbit.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/imx7d-pico-hobbit.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx7d-pico-hobbit.dts
Extension
.dts
Size
2312 bytes
Lines
106
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 MIT)
//
// Copyright 2017 NXP

#include "imx7d-pico.dtsi"

/ {
	model = "TechNexion PICO-IMX7D Board using Hobbit baseboard";
	compatible = "technexion,imx7d-pico-hobbit", "fsl,imx7d";

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_leds>;

		led {
			label = "gpio-led";
			gpios = <&gpio2 13 GPIO_ACTIVE_HIGH>;
		};
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "imx7-sgtl5000";
		simple-audio-card,format = "i2s";
		simple-audio-card,bitclock-master = <&dailink_master>;
		simple-audio-card,frame-master = <&dailink_master>;
		simple-audio-card,cpu {
			sound-dai = <&sai1>;
		};

		dailink_master: simple-audio-card,codec {
			sound-dai = <&sgtl5000>;
			clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_DIV>;
		};
	};
};

&i2c1 {
	sgtl5000: codec@a {
		#sound-dai-cells = <0>;
		reg = <0x0a>;
		compatible = "fsl,sgtl5000";
		clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_DIV>;
		VDDA-supply = <&reg_2p5v>;
		VDDIO-supply = <&reg_vref_1v8>;
	};
};

&i2c4 {
	status = "okay";

	adc081c: adc@50 {
		compatible = "ti,adc081c";
		reg = <0x50>;
		vref-supply = <&reg_3p3v>;
	};
};

&ecspi3 {
	ads7846@0 {
		reg = <0>;
		compatible = "ti,ads7846";
		interrupt-parent = <&gpio2>;
		interrupts = <7 0>;
		spi-max-frequency = <1000000>;
		pendown-gpio = <&gpio2 7 GPIO_ACTIVE_LOW>;
		vcc-supply = <&reg_3p3v>;
		ti,x-min = /bits/ 16 <0>;
		ti,x-max = /bits/ 16 <4095>;

Annotation

Implementation Notes