arch/mips/boot/dts/qca/ar9331_dpt_module.dts

Source file repositories/reference/linux-study-clean/arch/mips/boot/dts/qca/ar9331_dpt_module.dts

File Facts

System
Linux kernel
Corpus path
arch/mips/boot/dts/qca/ar9331_dpt_module.dts
Extension
.dts
Size
1368 bytes
Lines
104
Domain
Architecture Layer
Bucket
arch/mips
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
/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>

#include "ar9331.dtsi"

/ {
	model = "DPTechnics DPT-Module";
	compatible = "dptechnics,dpt-module";

	aliases {
		serial0 = &uart;
	};

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x4000000>;
	};

	leds {
		compatible = "gpio-leds";

		led-0 {
			function = LED_FUNCTION_STATUS;
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&gpio 27 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};
	};

	gpio-keys {
		compatible = "gpio-keys";

		button-0 {
			label = "reset";
			linux,code = <KEY_RESTART>;
			gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
		};
	};
};

&ref {
	clock-frequency = <25000000>;
};

&uart {
	status = "okay";
};

&gpio {
	status = "okay";
};

&usb {
	dr_mode = "host";
	status = "okay";
};

&usb_phy {
	status = "okay";
};

&spi {
	num-chipselects = <1>;
	status = "okay";

	/* Winbond 25Q128FVSG SPI flash */

Annotation

Implementation Notes