Linux preempt-rt

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/*
 * Copyright (c) 2019, NXP
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;

#include <nxp/nxp_lpc55S6x_ns.dtsi>
#include "lpcxpresso55s69.dtsi"

/ {
	model = "NXP LPCXpresso55S69 board";
	compatible = "nxp,lpc55xxx", "nxp,lpc";

	cpus {
		/delete-node/ cpu@1;
	};

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

	chosen {
		zephyr,sram = &non_secure_ram;
		zephyr,flash = &flash0;
		zephyr,code-partition = &slot1_partition;
		zephyr,console = &flexcomm0;
		zephyr,shell-uart = &flexcomm0;
		zephyr,entropy = &rng;
	};

	gpio_keys {
		compatible = "gpio-keys";
		user_button_1: button_0 {
			label = "User SW1";
			gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
		};
		user_button_2: button_1 {
			label = "User SW2";
			gpios = <&gpio1 18 GPIO_ACTIVE_LOW>;
		};
		user_button_3: button_2 {
			label = "User SW3";
			gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
		};
	};
};

&gpio0 {
	status = "okay";
};

&gpio1 {
	status = "okay";
};

&green_led {
	status = "okay";
};

&red_led {
	status = "okay";
};

&blue_led {
	status = "okay";
};

&flexcomm0 {
	status = "okay";
};

&flexcomm4 {
	status = "okay";
};

&hs_lspi {
	status = "okay";
};

&wwdt0 {
	status = "okay";
};