zephyr/boards/arm/lpcxpresso54114/lpcxpresso54114_m4.dts

/*
 * Copyright (c) 2017, NXP
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;

#include <nxp/nxp_lpc54xxx_m4.dtsi>
#include "lpcxpresso54114.dtsi"
#include <zephyr/dt-bindings/input/input-event-codes.h>

/ {
	model = "NXP LPCXpresso54114 board";
	compatible = "nxp,lpc54xxx", "nxp,lpc";

	aliases{
		sw0 = &user_button_1;
		sw1 = &user_button_2;
		sw2 = &user_button_3;
	};

	chosen {
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,console = &flexcomm0;
		zephyr,shell-uart = &flexcomm0;
		zephyr,code-partition = &slot0_partition;
	};

	gpio_keys {
		compatible = "gpio-keys";
		user_button_1: button_0 {
			label = "User SW1";
			gpios = <&gpio0 24 GPIO_ACTIVE_LOW>;
			zephyr,code = <INPUT_KEY_0>;
		};
		user_button_2: button_1 {
			label = "User SW2";
			gpios = <&gpio0 31 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
			zephyr,code = <INPUT_KEY_1>;
		};
		user_button_3: button_2 {
			label = "User SW3";
			gpios = <&gpio0 4 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
			zephyr,code = <INPUT_KEY_2>;
		};
	};
};

/*
 * Default for this board is to allocate SRAM0-1 to M4 CPU but the
 * application can have an application specific device tree to
 * allocate the SRAM0-3 differently.
 *
 */
&sram0 {
	compatible = "mmio-sram";
	reg = <0x20000000 DT_SIZE_K(128)>;
};

&cpu0 {
	clock-frequency = <48000000>;
};

&mailbox0 {
	status = "okay";
};

&red_led {
	status = "okay";
};

&green_led {
	status = "okay";
};

&blue_led {
	status = "okay";
};

&flexcomm0 {
	status = "okay";
};

&flexcomm4 {
	status = "okay";
};

&flexcomm5 {
	status = "okay";
};

&flash0 {
	/*
	 * LPC flash controller requires minimum 256 byte write to flash,
	 * so MCUBoot is not supported. Just provide storage and code partition.
	 */
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;
		slot0_partition: partition@0 {
			label = "image-0";
			reg = <0x00000000 DT_SIZE_K(196)>;
		};
		storage_partition: partition@30000 {
			label = "storage";
			reg = <0x00030000 DT_SIZE_K(64)>;
		};
	};
};