boards/nxp/frdm_mcxn236/frdm_mcxn236.dts

/*
 * Copyright 2024-2025 NXP
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;

#include <nxp/nxp_mcxn23x.dtsi>
#include "frdm_mcxn236-pinctrl.dtsi"
#include <zephyr/dt-bindings/i2c/i2c.h>
#include <zephyr/dt-bindings/gpio/arduino-header-r3.h>
#include <zephyr/dt-bindings/input/input-event-codes.h>
#include <zephyr/dt-bindings/gpio/dvp-20pin-connector.h>

/ {
	model = "NXP FRDM_N236 board";
	compatible = "nxp,mcxn236", "nxp,mcx";

	chosen {
		zephyr,sram = &sram0;
		zephyr,flash = &flash;
		zephyr,flash-controller = &fmu;
		zephyr,code-partition = &slot0_partition;
		zephyr,uart-mcumgr = &flexcomm4_lpuart4;
		zephyr,console = &flexcomm4_lpuart4;
		zephyr,shell-uart = &flexcomm4_lpuart4;
		zephyr,canbus = &flexcan1;
	};

	aliases {
		watchdog0 = &wwdt0;
		pwm-0 = &flexpwm1_pwm0;
		rtc = &rtc;
		die-temp0 = &temp0;
		led0 = &red_led;
		led1 = &green_led;
		led2 = &blue_led;
		sw0 = &user_button_2;
		sw1 = &user_button_3;
		mcuboot-button0 = &user_button_2;
	};

	leds {
		compatible = "gpio-leds";

		green_led: led_1 {
			gpios = <&gpio4 19 GPIO_ACTIVE_LOW>;
			label = "Green LED";
		};

		blue_led: led_2 {
			gpios = <&gpio4 17 GPIO_ACTIVE_LOW>;
			label = "Blue LED";
		};

		red_led: led_3 {
			gpios = <&gpio4 18 GPIO_ACTIVE_LOW>;
			label = "Red LED";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";

		user_button_2: button_0 {
			label = "User SW2";
			gpios = <&gpio0 20 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
			zephyr,code = <INPUT_KEY_WAKEUP>;
		};

		user_button_3: button_1 {
			label = "User SW3";
			gpios = <&gpio0 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
			zephyr,code = <INPUT_KEY_0>;
		};
	};

	arduino_header: arduino-connector {
		compatible = "arduino-header-r3";
		#gpio-cells = <2>;
		gpio-map-mask = <0xffffffff 0xffffffc0>;
		gpio-map-pass-thru = <0 0x3f>;
		gpio-map = <ARDUINO_HEADER_R3_A0 0 &gpio4 6 0>,
			   <ARDUINO_HEADER_R3_A1 0 &gpio4 15 0>,
			   <ARDUINO_HEADER_R3_A2 0 &gpio4 16 0>,
			   <ARDUINO_HEADER_R3_A3 0 &gpio4 17 0>,
			   <ARDUINO_HEADER_R3_A4 0 &gpio4 12 0>,
			   <ARDUINO_HEADER_R3_A5 0 &gpio4 13 0>,
			   <ARDUINO_HEADER_R3_D0 0 &gpio4 3 0>,
			   <ARDUINO_HEADER_R3_D1 0 &gpio4 2 0>,
			   <ARDUINO_HEADER_R3_D2 0 &gpio2 0 0>,
			   <ARDUINO_HEADER_R3_D3 0 &gpio3 12 0>,
			   <ARDUINO_HEADER_R3_D4 0 &gpio0 21 0>,
			   <ARDUINO_HEADER_R3_D5 0 &gpio2 7 0>,
			   <ARDUINO_HEADER_R3_D6 0 &gpio3 17 0>,
			   <ARDUINO_HEADER_R3_D7 0 &gpio0 22 0>,
			   <ARDUINO_HEADER_R3_D8 0 &gpio0 23 0>,
			   <ARDUINO_HEADER_R3_D9 0 &gpio3 14 0>,
			   <ARDUINO_HEADER_R3_D10 0 &gpio1 3 0>,
			   <ARDUINO_HEADER_R3_D11 0 &gpio1 0 0>,
			   <ARDUINO_HEADER_R3_D12 0 &gpio1 2 0>,
			   <ARDUINO_HEADER_R3_D13 0 &gpio1 1 0>,
			   <ARDUINO_HEADER_R3_D14 0 &gpio1 16 0>,
			   <ARDUINO_HEADER_R3_D15 0 &gpio1 17 0>;
	};

	/*
	 * This node describes the GPIO pins of the LCD-PAR-S035 panel 8080 interface.
	 */
	nxp_lcd_8080_connector: lcd-8080-connector {
		compatible = "nxp,lcd-8080";
		#gpio-cells = <2>;
		gpio-map-mask = <0xffffffff 0xffffffc0>;
		gpio-map-pass-thru = <0 0x3f>;
		gpio-map = <9 0 &gpio0 23 0>,	/* Pin 9, LCD touch INT */
			   <10 0 &gpio4 6 0>,	/* Pin 10, LCD backlight control */
			   <11 0 &gpio4 7 0>;	/* Pin 11, LCD and touch reset */
	};

	dvp_20pin_connector: dvp-20pin-connector {
		compatible = "arducam,dvp-20pin-connector";
		#gpio-cells = <2>;
		gpio-map-mask = <0xffffffff 0xffffffc0>;
		gpio-map-pass-thru = <0x0 GPIO_DT_FLAGS_MASK>;
		gpio-map = <DVP_20PIN_PEN 0 &gpio1 19 0>,
			   <DVP_20PIN_PDN 0 &gpio1 18 0>;
	};
};

&sram0 {
	compatible = "mmio-sram";
	reg = <0x20000000 DT_SIZE_K(192)>;
};

&gpio4 {
	status = "okay";
};

&gpio1 {
	status = "okay";
};

&gpio0 {
	status = "okay";
};

&green_led {
	status = "okay";
};

&red_led {
	status = "okay";
};

&user_button_2 {
	status = "okay";
};

&edma0 {
	status = "okay";
};

&flexcomm2 {
	status = "okay";
};

/*
 * LPFLEXCOMM supports UART and I2C on the same instance, enable this for
 * LFLEXCOMM2
 */
&flexcomm2_lpuart2 {
	status = "okay";
};

&flexcomm2_lpi2c2 {
	status = "okay";
};

&flexcomm3 {
	status = "okay";
};

&flexcomm3_lpspi3 {
	status = "okay";
};

&flexcomm4 {
	status = "okay";
};

&flexcomm4_lpuart4 {
	status = "okay";
};

&flexcomm5 {
	status = "okay";
};

&flexcomm5_lpi2c5 {
	status = "okay";
};

&wwdt0 {
	status = "okay";
};

&flexpwm1_pwm0 {
	status = "okay";
};

&flexcan1 {
	status = "okay";
};

&ctimer0 {
	status = "okay";
};

&vref {
	status = "okay";
};

&lpadc0 {
	status = "okay";
};

zephyr_udc0: &usb1 {
	status = "okay";
	phy-handle = <&usbphy1>;
};

&usbphy1 {
	status = "okay";
	tx-d-cal = <4>;
	tx-cal-45-dp-ohms = <7>;
	tx-cal-45-dm-ohms = <7>;
};

&lpcmp0 {
	status = "okay";
};

&i3c1 {
	status = "okay";
};

&flexio0 {
	status = "okay";
};

&lptmr0 {
	status = "okay";
};

&mrt0_channel0 {
	status = "okay";
};

&rtc {
	status = "okay";
};

&flexcomm0_lpuart0 {
	current-speed = <115200>;
	pinctrl-0 = <&pinmux_flexcomm0_lpuart>;
	pinctrl-names = "default";
};

&flexcomm2_lpuart2 {
	current-speed = <115200>;
	pinctrl-0 = <&pinmux_flexcomm2_lpuart>;
	pinctrl-names = "default";
};

&flexcomm2_lpi2c2 {
	pinctrl-0 = <&pinmux_flexcomm2_lpi2c>;
	pinctrl-names = "default";
	clock-frequency = <I2C_BITRATE_STANDARD>;
};

nxp_8080_touch_panel_i2c: &flexcomm2_lpi2c2 {
	pinctrl-0 = <&pinmux_flexcomm2_lpi2c>;
	pinctrl-names = "default";
	clock-frequency = <I2C_BITRATE_STANDARD>;
};

&flexcomm3_lpspi3 {
	pinctrl-0 = <&pinmux_flexcomm3_lpspi>;
	pinctrl-names = "default";
};

&flexcomm4_lpuart4 {
	current-speed = <115200>;
	pinctrl-0 = <&pinmux_flexcomm4_lpuart>;
	pinctrl-names = "default";
};

&flexcomm5_lpi2c5 {
	pinctrl-0 = <&pinmux_flexcomm5_lpi2c>;
	pinctrl-names = "default";
	clock-frequency = <I2C_BITRATE_STANDARD>;
};

/*
 * MCXN236 board uses OS timer as the kernel timer
 * In case we need to switch to SYSTICK timer, then
 * replace &os_timer with &systick
 */
&os_timer {
	status = "disabled";
};

&systick {
	status = "okay";
};

&flash {
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		/*
		 * Partition sizes must be aligned
		 * to the flash memory sector size of 8KB.
		 */
		boot_partition: partition@0 {
			label = "mcuboot";
			reg = <0x00000000 DT_SIZE_K(80)>;
		};

		/* For the MCUBoot "upgrade only" method,
		 * the slot sizes must be equal.
		 */
		slot0_partition: partition@14000 {
			label = "image-0";
			reg = <0x00014000 DT_SIZE_K(440)>;
		};

		slot1_partition: partition@84000 {
			label = "image-1";
			reg = <0x0084000 DT_SIZE_K(440)>;
		};

		storage_partition: partition@F0000 {
			label = "storage";
			reg = <0x000F0000 DT_SIZE_K(64)>;
		};
	};
};

&flexpwm1_pwm0 {
	pinctrl-0 = <&pinmux_flexpwm1_pwm0>;
	pinctrl-names = "default";
};

&lpadc0 {
	pinctrl-0 = <&pinmux_lpadc0>;
	pinctrl-names = "default";
};

&lpcmp0 {
	pinctrl-0 = <&pinmux_lpcmp0>;
	pinctrl-names = "default";
};

&flexcan1 {
	pinctrl-0 = <&pinmux_flexcan1>;
	pinctrl-names = "default";
};

zephyr_mipi_dbi_parallel: &flexio0_lcd {
	/* DMA channels 0, muxed to FlexIO TX */
	dmas = <&edma0 0 61>;
	dma-names = "tx";
	shifters-count = <8>;
	timers-count = <1>;
	enwr-pin = <28>;
	rd-pin = <27>;
	data-pin-start = <4>;
	reset-gpios = <&gpio4 7 GPIO_ACTIVE_HIGH>;
	cs-gpios = <&gpio4 14 GPIO_ACTIVE_HIGH>;
	rs-gpios = <&gpio0 24 GPIO_ACTIVE_HIGH>;
	pinctrl-0 = <&pinmux_flexio_lcd>;
	pinctrl-names = "default";
};

&i3c1 {
	pinctrl-0 = <&pinmux_i3c1>;
	pinctrl-names = "default";
};

p3t1755dp_ard_i3c_interface: &i3c1 {};

p3t1755dp_ard_i2c_interface: &flexcomm5_lpi2c5 {};

/* SmartDMA is used for video driver on this board */
&smartdma {
	/* Shields do not enable video-sdma parent node so enable it by default */
	status = "okay";
	program-mem = <0x4000000>;

	video_sdma: video-sdma {
		status = "disabled";
		compatible = "nxp,video-smartdma";
		pinctrl-0 = <&pinmux_smartdma_camera>;
		pinctrl-names = "default";
		vsync-pin = <4>;
		hsync-pin = <5>;
		pclk-pin = <7>;
	};
};

dvp_20pin_i2c: &flexcomm2_lpi2c2 {};

dvp_20pin_interface: &video_sdma {};

&sai0 {
	status = "okay";
	pinctrl-0 = <&pinmux_sai0>;
	pinctrl-names = "default";
};

&sai1 {
	status = "okay";
	pinctrl-0 = <&pinmux_sai1>;
	pinctrl-names = "default";
};