arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts
Extension
.dts
Size
22604 bytes
Lines
947
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 (C) 2015 Freescale Semiconductor, Inc.

/dts-v1/;

#include "imx7d.dtsi"

/ {
	model = "Freescale i.MX7 SabreSD Board";
	compatible = "fsl,imx7d-sdb", "fsl,imx7d";

	aliases {
		ethernet0 = &fec1;
		ethernet1 = &fec2;
	};

	chosen {
		stdout-path = &uart1;
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x80000000 0x80000000>;
	};

	gpio-keys {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_keys>;

		key-volume-up {
			label = "Volume Up";
			gpios = <&gpio5 11 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_VOLUMEUP>;
			wakeup-source;
		};

		key-volume-down {
			label = "Volume Down";
			gpios = <&gpio5 10 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_VOLUMEDOWN>;
			wakeup-source;
		};
	};

	spi-4 {
		compatible = "spi-gpio";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_spi4>;
		sck-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
		mosi-gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;
		cs-gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
		num-chipselects = <1>;
		#address-cells = <1>;
		#size-cells = <0>;

		extended_io: gpio-expander@0 {
			compatible = "fairchild,74hc595";
			gpio-controller;
			#gpio-cells = <2>;
			reg = <0>;
			registers-number = <1>;
			spi-max-frequency = <100000>;
		};
	};

	reg_sd1_vmmc: regulator-sd1-vmmc {
		compatible = "regulator-fixed";
		regulator-name = "VDD_SD1";

Annotation

Implementation Notes