boards/arm/lpcxpresso55s28/lpcxpresso55s28.dts

/*
 * Copyright (c) 2020 Lemonbeat GmbH
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;

#include <nxp/nxp_lpc55S2x.dtsi>
#include "lpcxpresso55s28_common.dtsi"

/ {
	model = "NXP LPCXpresso55S28 board";
	compatible = "nxp,lpc55xxx", "nxp,lpc";

	aliases{
		sw0 = &user_button_1;
		sw1 = &user_button_2;
		sw2 = &user_button_3;
		watchdog0 = &wwdt0;
		accel0 = &mma8652fc;
	};

	chosen {
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		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_HIGH | GPIO_PULL_UP)>;
		};
		user_button_2: button_1 {
			label = "User SW2";
			gpios = <&gpio1 18 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		};
		user_button_3: button_2 {
			label = "User SW3";
			gpios = <&gpio1 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
		};
	};
};

&gpio0 {
	status = "okay";
};

&gpio1 {
	status = "okay";
};

&green_led {
	status = "okay";
};

&red_led {
	status = "okay";
};

&flexcomm0 {
	status = "okay";
};

&flexcomm4 {
	status = "okay";
};

&hs_lspi {
	status = "okay";
	dmas = <&dma0 2>, <&dma0 3>;
	dma-names = "rx", "tx";
};

&wwdt0 {
	status = "okay";
};

&adc0 {
	status = "okay";
	pinctrl-0 = <&pinmux_lpadc0>;
	pinctrl-names = "default";
};

&dma0 {
	/*
	 * The total number of dma channels available is defined by
	 * FSL_FEATURE_DMA_NUMBER_OF_CHANNELS in the SoC features file.
	 * Since memory from the heap pool is allocated based on the number
	 * of DMA channels, set this property to as many channels is needed
	 * for the platform. Adjust HEAP_MEM_POOL_SIZE in case you need more
	 * memory.
	 */
	dma-channels = <20>;
	status = "okay";
};

&flash0 {
	/*
	 * LPC flash controller requires minimum 512 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(448)>;
		};
		storage_partition: partition@70000 {
			label = "storage";
			reg = <0x00070000 DT_SIZE_K(64)>;
		};
	};
};