arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk2-overlay-505-200-x12-ch101olhlwh.dtso

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk2-overlay-505-200-x12-ch101olhlwh.dtso

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk2-overlay-505-200-x12-ch101olhlwh.dtso
Extension
.dtso
Size
875 bytes
Lines
41
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: arch/arm64
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) 2022-2026 Marek Vasut
 */
/dts-v1/;
/plugin/;

#include "imx8mp-dhcom-overlay-panel-lvds.dtsi"
#include "imx8mp-dhcom-overlay-panel-ch101olhlwh.dtsi"

&{/} {
	gpio-keys {
		button-1 {
			/* BUTTON1 GPIO conflicts with Touchscreen RESET GPIO-B */
			status = "disabled";
		};
	};

	led {
		led-2 {
			/* LED7 GPIO conflicts with Touchscreen IRQ GPIO-H */
			status = "disabled";
		};
	};
};

&media_blk_ctrl {
	/*
	 * The Chefree CH101OLHLWH-002 panel requires 71.1 MHz LVDS clock.
	 * Set IMX8MP_VIDEO_PLL1 to 497.7 MHz , since 497.7 MHz / 7 = 71.1 MHz .
	 */
	assigned-clock-rates = <500000000>, <200000000>, <0>, <0>, <0>, <497700000>;
};

&touch_lvds {
	pinctrl-0 = <&pinctrl_dhcom_b &pinctrl_dhcom_h>;
	pinctrl-names = "default";
	interrupt-parent = <&gpio1>;
	interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
};

Annotation

Implementation Notes