arch/arm/boot/dts/allwinner/sun8i-t113s-netcube-nagami-keypad-carrier.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/allwinner/sun8i-t113s-netcube-nagami-keypad-carrier.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/allwinner/sun8i-t113s-netcube-nagami-keypad-carrier.dts
Extension
.dts
Size
3303 bytes
Lines
130
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 MIT)
/*
 * Copyright (C) 2025 Lukas Schmid <lukas.schmid@netcube.li>
 */

/dts-v1/;
#include "sun8i-t113s-netcube-nagami.dtsi"

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

/ {
	model = "NetCube Systems Nagami Keypad Carrier Board";
	compatible = "netcube,nagami-keypad-carrier", "netcube,nagami",
		     "allwinner,sun8i-t113s";

	leds {
		compatible = "gpio-leds";

		led_status_red: led-status-red {
			gpios = <&pio 3 16 GPIO_ACTIVE_HIGH>;  /* PD16 */
			color = <LED_COLOR_ID_RED>;
			function = LED_FUNCTION_STATUS;
		};

		led_status_green: led-status-green {
			gpios = <&pio 3 22 GPIO_ACTIVE_HIGH>;  /* PD22 */
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_STATUS;
		};
	};
};

&i2c2 {
	status = "okay";

	tca8418: keypad@34 {
		compatible = "ti,tca8418";
		reg = <0x34>;
		interrupts-extended = <&pio 5 6 IRQ_TYPE_EDGE_FALLING>;  /* PF6 */
		linux,keymap = <MATRIX_KEY(0x03, 0x00, KEY_NUMERIC_A)
				MATRIX_KEY(0x03, 0x01, KEY_NUMERIC_1)
				MATRIX_KEY(0x03, 0x02, KEY_NUMERIC_2)
				MATRIX_KEY(0x03, 0x03, KEY_NUMERIC_3)
				MATRIX_KEY(0x02, 0x00, KEY_NUMERIC_B)
				MATRIX_KEY(0x02, 0x01, KEY_NUMERIC_4)
				MATRIX_KEY(0x02, 0x02, KEY_NUMERIC_5)
				MATRIX_KEY(0x02, 0x03, KEY_NUMERIC_6)
				MATRIX_KEY(0x01, 0x00, KEY_NUMERIC_C)
				MATRIX_KEY(0x01, 0x01, KEY_NUMERIC_7)
				MATRIX_KEY(0x01, 0x02, KEY_NUMERIC_8)
				MATRIX_KEY(0x01, 0x03, KEY_NUMERIC_9)
				MATRIX_KEY(0x00, 0x00, KEY_NUMERIC_D)
				MATRIX_KEY(0x00, 0x01, KEY_CLEAR)
				MATRIX_KEY(0x00, 0x02, KEY_NUMERIC_0)
				MATRIX_KEY(0x00, 0x03, KEY_OK)
		>;
		keypad,num-rows = <4>;
		keypad,num-columns = <4>;
	};
};

&pio {
	gpio-line-names = "", "", "", "", // PA
			  "", "", "", "",
			  "", "", "", "",
			  "", "", "", "",
			  "", "", "", "",
			  "", "", "", "",
			  "", "", "", "",

Annotation

Implementation Notes