arch/arm/boot/dts/nxp/mxs/imx28-cfa10055.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/mxs/imx28-cfa10055.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/mxs/imx28-cfa10055.dts
Extension
.dts
Size
3505 bytes
Lines
156
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.
 * 				  Free Electrons
 */

/*
 * The CFA-10055 is an expansion board for the CFA-10036 module and
 * CFA-10037, thus we need to include the CFA-10037 DTS.
 */
#include "imx28-cfa10037.dts"

/ {
	model = "Crystalfontz CFA-10055 Board";
	compatible = "crystalfontz,cfa10055", "crystalfontz,cfa10037", "crystalfontz,cfa10036", "fsl,imx28";

	spi-2 {
		compatible = "spi-gpio";
		pinctrl-names = "default";
		pinctrl-0 = <&spi2_pins_cfa10055>;
		status = "okay";
		sck-gpios = <&gpio2 16 0>;
		mosi-gpios = <&gpio2 17 0>;
		miso-gpios = <&gpio2 18 0>;
		cs-gpios = <&gpio3 5 0>;
		num-chipselects = <1>;
		#address-cells = <1>;
		#size-cells = <0>;

		hx8357: hx8357@0 {
			compatible = "himax,hx8357b", "himax,hx8357";
			reg = <0>;
			spi-max-frequency = <100000>;
			spi-cpol;
			spi-cpha;
			reset-gpios = <&gpio3 30 0>;
		};
	};

	backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm 3 5000000 0>;
		brightness-levels = <0 4 8 16 32 64 128 255>;
		default-brightness-level = <6>;
	};
};

&lcdif {
	pinctrl-names = "default";
	pinctrl-0 = <&lcdif_18bit_pins_cfa10055
		     &lcdif_pins_cfa10055
		     &lcdif_pins_cfa10055_pullup>;
	display = <&display0>;
	status = "okay";

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

		display-timings {
			native-mode = <&timing0>;
			timing0: timing0 {
				clock-frequency = <9216000>;
				hactive = <320>;
				vactive = <480>;
				hback-porch = <2>;
				hfront-porch = <2>;
				vback-porch = <2>;
				vfront-porch = <2>;
				hsync-len = <15>;

Annotation

Implementation Notes