boards/arm/mps3/mps3_common.dtsi

/*
 * Copyright 2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/* /dts-v1/; */

#include <arm/armv8.1-m.dtsi>
#include <zephyr/dt-bindings/i2c/i2c.h>
#include <zephyr/dt-bindings/input/input-event-codes.h>
#include <zephyr/dt-bindings/memory-attr/memory-attr-arm.h>
#include <mem.h>

/ {
	aliases {
		led0 = &led_0;
		led1 = &led_1;
		sw0 = &user_button_0;
		sw1 = &user_button_1;
	};

	leds {
		compatible = "gpio-leds";
		led_0: led_0 {
			gpios = <&gpio_led0 0>;
			label = "USERLED0";
		};
		led_1: led_1 {
			gpios = <&gpio_led0 1>;
			label = "USERLED1";
		};
		led_2: led_2 {
			gpios = <&gpio_led0 2>;
			label = "USERLED2";
		};
		led_3: led_3 {
			gpios = <&gpio_led0 3>;
			label = "USERLED3";
		};
		led_4: led_4 {
			gpios = <&gpio_led0 4>;
			label = "USERLED4";
		};
		led_5: led_5 {
			gpios = <&gpio_led0 5>;
			label = "USERLED5";
		};
		led_6: led_6 {
			gpios = <&gpio_led0 6>;
			label = "USERLED6";
		};
		led_7: led_7 {
			gpios = <&gpio_led0 7>;
			label = "USERLED7";
		};
		led_8: led_8 {
			gpios = <&gpio_led0 8>;
			label = "PB1LED";
		};
		led_9: led_9 {
			gpios = <&gpio_led0 9>;
			label = "PB2LED";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		user_button_0: button_0 {
			label = "USERPB0";
			gpios = <&gpio_button 0>;
			zephyr,code = <INPUT_KEY_0>;
		};
		user_button_1: button_1 {
			label = "USERPB1";
			gpios = <&gpio_button 1>;
			zephyr,code = <INPUT_KEY_1>;
		};
	};

	null_ptr_detect: null_ptr_detect@0 {
		compatible = "zephyr,memory-region";
		/* 0 - CONFIG_CORTEX_M_NULL_POINTER_EXCEPTION_PAGE_SIZE> */
		reg = <0x0 0x400>;
		zephyr,memory-region = "NULL_PTR_DETECT";
		zephyr,memory-attr = <( DT_MEM_ARM(ATTR_MPU_FLASH) )>;
	};
	/* DDR4 - 2G, alternates non-secure/secure every 256M */
	ddr4: memory@60000000 {
		device_type = "memory";
		compatible = "zephyr,memory-region";
		reg = <0x60000000 DT_SIZE_M(256)
		       0x70000000 DT_SIZE_M(256)
		       0x80000000 DT_SIZE_M(256)
		       0x90000000 DT_SIZE_M(256)
		       0xa0000000 DT_SIZE_M(256)
		       0xb0000000 DT_SIZE_M(256)
		       0xc0000000 DT_SIZE_M(256)
		       0xd0000000 DT_SIZE_M(256)>;
		zephyr,memory-region = "DDR4";
	};
};

&nvic {
	arm,num-irq-priority-bits = <3>;
};