arch/arm/boot/dts/st/stm32mp157a-microgea-stm32mp1-microdev2.0-of7.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/stm32mp157a-microgea-stm32mp1-microdev2.0-of7.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/stm32mp157a-microgea-stm32mp1-microdev2.0-of7.dts
Extension
.dts
Size
4095 bytes
Lines
158
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 BSD-3-Clause)
/*
 * Copyright (c) STMicroelectronics 2019 - All Rights Reserved
 * Copyright (c) 2020 Engicam srl
 * Copyright (c) 2020 Amarula Solutions(India)
 */

/dts-v1/;
#include "stm32mp157.dtsi"
#include "stm32mp157a-microgea-stm32mp1.dtsi"
#include "stm32mp15-pinctrl.dtsi"
#include "stm32mp15xxaa-pinctrl.dtsi"
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "Engicam MicroGEA STM32MP1 MicroDev 2.0 7\" Open Frame";
	compatible = "engicam,microgea-stm32mp1-microdev2.0-of7",
		     "engicam,microgea-stm32mp1", "st,stm32mp157";

	aliases {
		serial0 = &uart4;
		serial1 = &uart8;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	backlight: backlight {
		compatible = "gpio-backlight";
		gpios = <&gpiod 13 GPIO_ACTIVE_HIGH>;
		default-on;
	};

	lcd_3v3: regulator-lcd-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "lcd_3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpiof 10 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
		power-supply = <&panel_pwr>;
	};

	panel_pwr: regulator-panel-pwr {
		compatible = "regulator-fixed";
		regulator-name = "panel_pwr";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpiob 10 GPIO_ACTIVE_HIGH>;
		regulator-always-on;
	};

	panel {
		compatible = "auo,b101aw03";
		backlight = <&backlight>;
		enable-gpios = <&gpiof 2 GPIO_ACTIVE_HIGH>;
		power-supply = <&lcd_3v3>;

		port {
			panel_in: endpoint {
				remote-endpoint = <&ltdc_ep0_out>;
			};
		};
	};
};

&i2c2 {
	i2c-scl-falling-time-ns = <20>;

Annotation

Implementation Notes