arch/arm/boot/dts/st/stm32mp15xx-dhcom-pdk2-overlay-560-200-x12.dtso

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/stm32mp15xx-dhcom-pdk2-overlay-560-200-x12.dtso

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/stm32mp15xx-dhcom-pdk2-overlay-560-200-x12.dtso
Extension
.dtso
Size
1191 bytes
Lines
67
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: arch/arm
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) 2020 Marek Vasut
 */
/dts-v1/;
/plugin/;

#include "stm32mp15xx-dhcom-overlay-panel-dpi.dtsi"

&{/} {
	gpio-keys {
		/*
		 * The EXTi IRQ line 6 is shared with touchscreen IRQ,
		 * so operate button-1 as polled GPIO key.
		 */
		button-1 {
			/* Use status as /delete-node/ does not work in DTOs */
			status = "disabled";
		};
	};

	gpio-keys-polled {
		button-1 {
			label = "TA2-GPIO-B";
			linux,code = <KEY_B>;
			gpios = <&gpiod 6 GPIO_ACTIVE_LOW>;
		};
	};

	led {
		/* LED5 GPIO-E conflicts with touchscreen IRQ */
		led-0 {
			/* Use status as /delete-node/ does not work in DTOs */
			status = "disabled";
		};
	};
};

&display_bl {
	pwms = <&pwm2 3 500000 PWM_POLARITY_INVERTED>;
};

&i2c5 {
	#address-cells = <1>;
	#size-cells = <0>;

	touchscreen@38 {
		compatible = "edt,edt-ft5406";
		reg = <0x38>;
		/* Touchscreen IRQ GPIO-E conflicts with LED5 GPIO */
		interrupt-parent = <&gpioc>;
		interrupts = <6 IRQ_TYPE_EDGE_FALLING>; /* GPIO E */
	};
};

&ltdc_dpi_out {
	remote-endpoint = <&panel_in>;
};

&panel {
	compatible = "edt,etm0700g0edh6";
};

&panel_in {
	remote-endpoint = <&ltdc_dpi_out>;
};

Annotation

Implementation Notes