arch/arm/boot/dts/ti/omap/dra7-evm-common.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/dra7-evm-common.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/dra7-evm-common.dtsi
Extension
.dtsi
Size
5084 bytes
Lines
266
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-only
/*
 * Copyright (C) 2017 Texas Instruments Incorporated - https://www.ti.com/
 */

#include "dra74-ipu-dsp-common.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/clock/ti-dra7-atl.h>
#include <dt-bindings/input/input.h>

/ {
	chosen {
		stdout-path = &uart1;
	};

	extcon_usb1: extcon_usb1 {
		compatible = "linux,extcon-usb-gpio";
		id-gpios = <&pcf_gpio_21 1 GPIO_ACTIVE_HIGH>;
	};

	extcon_usb2: extcon_usb2 {
		compatible = "linux,extcon-usb-gpio";
		id-gpios = <&pcf_gpio_21 2 GPIO_ACTIVE_HIGH>;
	};

	sound0: sound0 {
		compatible = "simple-audio-card";
		simple-audio-card,name = "DRA7xx-EVM";
		simple-audio-card,widgets =
			"Headphone", "Headphone Jack",
			"Line", "Line Out",
			"Microphone", "Mic Jack",
			"Line", "Line In";
		simple-audio-card,routing =
			"Headphone Jack",	"HPLOUT",
			"Headphone Jack",	"HPROUT",
			"Line Out",		"LLOUT",
			"Line Out",		"RLOUT",
			"MIC3L",		"Mic Jack",
			"MIC3R",		"Mic Jack",
			"Mic Jack",		"Mic Bias",
			"LINE1L",		"Line In",
			"LINE1R",		"Line In";
		simple-audio-card,format = "dsp_b";
		simple-audio-card,bitclock-master = <&sound0_master>;
		simple-audio-card,frame-master = <&sound0_master>;
		simple-audio-card,bitclock-inversion;

		sound0_master: simple-audio-card,cpu {
			sound-dai = <&mcasp3>;
			system-clock-frequency = <5644800>;
		};

		simple-audio-card,codec {
			sound-dai = <&tlv320aic3106>;
			clocks = <&atl_clkin2_ck>;
		};
	};

	leds {
		compatible = "gpio-leds";
		led0 {
			label = "dra7:usr1";
			gpios = <&pcf_lcd 4 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};

		led1 {
			label = "dra7:usr2";
			gpios = <&pcf_lcd 5 GPIO_ACTIVE_LOW>;

Annotation

Implementation Notes