zephyr/boards/m5stack/m5stack_fire/m5stack_fire_procpu.dts

/*
 * Copyright (c) 2023 Martin Kiepfer <mrmarteng@teleschirm.org>
 * Copyright (c) 2025 Jakub Novák <jakubnovak.cz@outlook.cz>
 *
 * SPDX-License-Identifier: Apache-2.0
 */
/dts-v1/;

#include <espressif/esp32/esp32_d0wd_v3.dtsi>
#include "m5stack_fire-pinctrl.dtsi"
#include "grove_connectors.dtsi"
#include "m5stack_mbus_connectors.dtsi"
#include <zephyr/dt-bindings/display/ili9xxx.h>
#include <espressif/partitions_0x1000_amp.dtsi>
#include <zephyr/dt-bindings/input/input-event-codes.h>

/ {
	model = "M5Stack Fire PROCPU";
	compatible = "m5stack,fire";

	aliases {
		uart-0 = &uart0;
		i2c-0 = &i2c0;
		watchdog0 = &wdt0;
		accel0 = &mpu6886;
		sw0 = &button0;
		pwm0 = &ledc0;
		lcd-bg = &lcd_bg;
	};

	chosen {
		zephyr,sram = &sram1;
		zephyr,console = &uart0;
		zephyr,shell-uart = &uart0;
		zephyr,flash = &flash0;
		zephyr,display = &ili9342c;
		zephyr,code-partition = &slot0_partition;
		zephyr,bt-hci = &esp32_bt_hci;
	};

	pwm {
		compatible = "pwm-leds";

		lcd_bg: lcd_bg {
			label = "PWM LED0";
			/* The cycle duration is taken from the ILI9342c spec section 8.3.15 */
			pwms = <&ledc0 7 PWM_KHZ(16000 / 256) PWM_POLARITY_NORMAL>;
		};

		speaker: speaker {
			label = "PWM speaker";
			pwms = <&ledc0 8 1000 PWM_POLARITY_NORMAL>;
		};
	};

	buttons {
		compatible = "gpio-keys";

		button0: button_0 {
			gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
			label = "button left";
			zephyr,code = <INPUT_KEY_0>;
		};

		button1: button_1 {
			gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
			label = "button middle";
			zephyr,code = <INPUT_KEY_1>;
		};

		button2: button_2 {
			gpios = <&gpio1 5 GPIO_ACTIVE_LOW>;
			label = "button right";
			zephyr,code = <INPUT_KEY_2>;
		};

		button3: button_3 {
			gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
			label = "button 2";
			zephyr,code = <INPUT_KEY_3>;
		};

	};

	mipi_dbi {
		compatible = "zephyr,mipi-dbi-spi";
		dc-gpios = <&gpio0 27 GPIO_ACTIVE_HIGH>;
		reset-gpios = <&gpio1 1 (GPIO_OPEN_DRAIN | GPIO_ACTIVE_LOW)>;
		spi-dev = <&spi3>;
		write-only;
		#address-cells = <1>;
		#size-cells = <0>;

		ili9342c: ili9342c@0 {
			status = "okay";
			compatible = "ilitek,ili9342c";
			mipi-max-frequency = <30000000>;
			reg = <0>;
			pixel-format = <ILI9XXX_PIXEL_FORMAT_RGB565>;
			display-inversion;
			width = <320>;
			height = <240>;
			rotation = <0>;
		};
	};
};

&flash0 {
	reg = <0x0 DT_SIZE_M(16)>;
};

&psram0 {
	size = <DT_SIZE_M(8)>;
};

&uart0 {
	status = "okay";
	current-speed = <115200>;
	pinctrl-0 = <&uart0_tx_gpio1 &uart0_rx_gpio3>;
	pinctrl-names = "default";
};

&uart1 {
	status = "disabled";
	current-speed = <115200>;
	pinctrl-0 = <&uart1_rx_gpio33 &uart1_tx_gpio32>;
	pinctrl-names = "default";
};

&gpio0 {
	status = "okay";
};

&gpio1 {
	status = "okay";
};

&i2c0 {
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
	sda-gpios = <&gpio0 21 GPIO_OPEN_DRAIN>;
	scl-gpios = <&gpio0 22 GPIO_OPEN_DRAIN>;
	pinctrl-0 = <&i2c0_default>;
	scl-timeout-us = <0>;
	pinctrl-names = "default";

	mpu6886: mpu6886@68 {
		status = "okay";
		compatible = "invensense,mpu6050";
		reg = <0x68>;
	};
};

&spi3 {
	status = "okay";
	#address-cells = <1>;
	#size-cells = <0>;
	pinctrl-0 = <&spim3_default>;
	pinctrl-names = "default";
	dma-enabled;
	clock-frequency = <20000000>;
	cs-gpios = <&gpio0 14 GPIO_ACTIVE_LOW>, <&gpio0 4 GPIO_ACTIVE_LOW>;

	sd0: sd@1 {
		status = "okay";
		compatible = "zephyr,sdhc-spi-slot";
		reg = <1>;
		spi-max-frequency = <20000000>;
		mmc {
			status = "okay";
			compatible = "zephyr,sdmmc-disk";
			disk-name = "SD";
		};

	};
};

&ledc0 {
	pinctrl-0 = <&ledc0_default>;
	pinctrl-names = "default";
	status = "okay";
	#address-cells = <1>;
	#size-cells = <0>;

	hispeed0@7 {
		reg = <0x7>;
		timer = <0>;
	};

	hispeed1@8 {
		reg = <0x8>;
		timer = <0>;
	};
};

&timer0 {
	status = "okay";
};

&timer1 {
	status = "okay";
};

&timer2 {
	status = "okay";
};

&timer3 {
	status = "okay";
};

&trng0 {
	status = "okay";
};

&esp32_bt_hci {
	status = "okay";
};

&wifi {
	status = "okay";
};