arch/arm/boot/dts/nxp/mxs/imx28-cfa10057.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/mxs/imx28-cfa10057.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/mxs/imx28-cfa10057.dts
Extension
.dts
Size
3295 bytes
Lines
155
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-later
/*
 * Copyright 2013 Crystalfontz America, Inc.
 * Copyright 2012 Free Electrons
 */

/*
 * The CFA-10057 is an expansion board for the CFA-10036 module, thus we
 * need to include the CFA-10036 DTS.
 */
#include "imx28-cfa10036.dts"

/ {
	model = "Crystalfontz CFA-10057 Board";
	compatible = "crystalfontz,cfa10057", "crystalfontz,cfa10036", "fsl,imx28";

	reg_usb1_vbus: regulator-0 {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&usb_pins_cfa10057>;
		regulator-name = "usb1_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio0 7 1>;
	};

	backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm 4 5000000 0>;
		brightness-levels = <0 4 8 16 32 64 128 255>;
		default-brightness-level = <7>;
	};
};

&lcdif {
	pinctrl-names = "default";
	pinctrl-0 = <&lcdif_18bit_pins_cfa10057
		     &lcdif_pins_cfa10057>;
	display = <&display0>;
	status = "okay";

	display0: display0 {
		bits-per-pixel = <32>;
		bus-width = <18>;

		display-timings {
			native-mode = <&timing0>;
			timing0: timing0 {
				clock-frequency = <30000000>;
				hactive = <480>;
				vactive = <800>;
				hfront-porch = <12>;
				hback-porch = <2>;
				vfront-porch = <5>;
				vback-porch = <3>;
				hsync-len = <2>;
				vsync-len = <2>;
				hsync-active = <0>;
				vsync-active = <0>;
				de-active = <1>;
				pixelclk-active = <1>;
			};
		};
	};
};

&lradc {
	fsl,lradc-touchscreen-wires = <4>;
	status = "okay";
};

Annotation

Implementation Notes