arch/arm/boot/dts/nxp/mxs/imx28-cfa10056.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/mxs/imx28-cfa10056.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/mxs/imx28-cfa10056.dts
Extension
.dts
Size
2430 bytes
Lines
110
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 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-10056 Board";
	compatible = "crystalfontz,cfa10056", "crystalfontz,cfa10037", "crystalfontz,cfa10036", "fsl,imx28";

	spi-2 {
		compatible = "spi-gpio";
		pinctrl-names = "default";
		pinctrl-0 = <&spi2_pins_cfa10056>;
		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>;

		hx8369: hx8369@0 {
			compatible = "himax,hx8369a", "himax,hx8369";
			reg = <0>;
			spi-max-frequency = <100000>;
			spi-cpol;
			spi-cpha;
			reset-gpios = <&gpio3 30 0>;
		};
	};
};

&pinctrl {
	spi2_pins_cfa10056: spi2-cfa10056@0 {
		reg = <0>;
		fsl,pinmux-ids = <
			MX28_PAD_SSP2_SCK__GPIO_2_16
			MX28_PAD_SSP2_MOSI__GPIO_2_17
			MX28_PAD_SSP2_MISO__GPIO_2_18
			MX28_PAD_AUART1_TX__GPIO_3_5
		>;
		fsl,drive-strength = <MXS_DRIVE_8mA>;
		fsl,voltage = <MXS_VOLTAGE_HIGH>;
		fsl,pull-up = <MXS_PULL_ENABLE>;
	};

	lcdif_pins_cfa10056: lcdif-10056@0 {
		reg = <0>;
		fsl,pinmux-ids = <
			MX28_PAD_LCD_RD_E__LCD_VSYNC
			MX28_PAD_LCD_WR_RWN__LCD_HSYNC
			MX28_PAD_LCD_RS__LCD_DOTCLK
			MX28_PAD_LCD_CS__LCD_ENABLE
		>;
		fsl,drive-strength = <MXS_DRIVE_4mA>;
		fsl,voltage = <MXS_VOLTAGE_HIGH>;
		fsl,pull-up = <MXS_PULL_DISABLE>;
	};

	lcdif_pins_cfa10056_pullup: lcdif-10056-pullup@0 {
		reg = <0>;
		fsl,pinmux-ids = <
			MX28_PAD_LCD_RESET__GPIO_3_30

Annotation

Implementation Notes