arch/arm/boot/dts/ti/omap/omap4-samsung-espresso-common.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/omap4-samsung-espresso-common.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/omap4-samsung-espresso-common.dtsi
Extension
.dtsi
Size
18193 bytes
Lines
745
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)
/dts-v1/;
#include "dt-bindings/gpio/gpio.h"
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/input/input.h>
#include "omap443x.dtsi"

/ {
	memory@80000000 {
		device_type = "memory";
		reg = <0x80000000 0x40000000>; /* 1 GB */
	};

	reserved-memory {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		continuous_splash: framebuffer@bef00000{
			reg = <0xbef00000 (1024 * 600 * 4)>;
			no-map;
		};
	};

	chosen {
		stdout-path = &uart3;
		#address-cells = <1>;
	};

	i2c-gpio5 {
		compatible = "i2c-gpio";
		pinctrl-names = "default";
		pinctrl-0 = <&i2c5_pins>;
		sda-gpios = <&gpio4 2 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
		scl-gpios = <&gpio4 3 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
		i2c-gpio,delay-us = <10>;
		#address-cells = <1>;
		#size-cells = <0>;

		/* TODO: SMB136 Charger for 7" variant at 0x4d */
	};

	i2c-gpio6 {
		compatible = "i2c-gpio";
		pinctrl-names = "default";
		pinctrl-0 = <&i2c6_pins>;
		sda-gpios = <&gpio3 2 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
		scl-gpios = <&gpio3 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
		i2c-gpio,delay-us = <10>;
		#address-cells = <1>;
		#size-cells = <0>;

		/* TODO: STMPE811 ADC at 0x41 */
	};

	i2c-gpio7 {
		compatible = "i2c-gpio";
		pinctrl-names = "default";
		pinctrl-0 = <&i2c7_pins>;
		sda-gpios = <&gpio2 30 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
		scl-gpios = <&gpio2 29 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
		i2c-gpio,delay-us = <3>;
		#address-cells = <1>;
		#size-cells = <0>;

		fuel-gauge@36 {
			compatible = "maxim,max17042";
			reg = <0x36>;
			pinctrl-0 = <&fuel_alert_irq>;
			pinctrl-names = "default";

Annotation

Implementation Notes