boards/m5stack/m5stack_atom_lite/m5stack_atom_lite_esp32_procpu.dts

/*
 * Copyright (c) 2024 Nikola Trifunovic <nikola@trifunovic.at>
 * Copyright (c) 2023 Benjamin Cabé <benjamin@zephyrproject.org>
 * Copyright (c) 2023 Martin Kiepfer <mrmarteng@teleschirm.org>
 *
 * SPDX-License-Identifier: Apache-2.0
 */
/dts-v1/;

#include <espressif/esp32/esp32_pico_d4.dtsi>
#include "m5stack_atom_lite-pinctrl.dtsi"
#include "grove_connectors.dtsi"
#include <zephyr/dt-bindings/input/input-event-codes.h>
#include <zephyr/dt-bindings/led/led.h>
#include <zephyr/dt-bindings/led/worldsemi_ws2812c.h>

/ {
	model = "M5Stack ATOM Lite PROCPU";
	compatible = "m5stack,m5stack-atom-lite";

	chosen {
		zephyr,sram = &sram0;
		zephyr,console = &uart0;
		zephyr,shell-uart = &uart0;
		zephyr,flash = &flash0;
		zephyr,code-partition = &slot0_partition;
	};

	aliases {
		sw0 = &user_button_0;
		watchdog0 = &wdt0;
		i2c-0 = &i2c0;
		led-strip = &status_rgb_led;
	};

	leds {
		compatible = "gpio-leds";

		ir_led: led_0 {
			gpios =  <&gpio0 12 GPIO_ACTIVE_HIGH>;
			label = "Infrared LED";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";

		user_button_0: button_0 {
			label = "User button 0";
			gpios = <&gpio1 7 GPIO_ACTIVE_LOW>; // G39
			zephyr,code = <INPUT_KEY_0>;
		};
	};
};

&cpu0 {
	clock-frequency = <ESP32_CLK_CPU_240M>;
};

&cpu1 {
	clock-frequency = <ESP32_CLK_CPU_240M>;
};

&uart0 {
	status = "okay";
	current-speed = <115200>;
	pinctrl-0 = <&uart0_default>;
	pinctrl-names = "default";
};

&i2c0 {
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
	pinctrl-0 = <&i2c0_default>;
	pinctrl-names = "default";
	sda-gpios = <&gpio0 25 GPIO_OPEN_DRAIN>;
	scl-gpios = <&gpio0 21 GPIO_OPEN_DRAIN>;

};

&i2c1 {
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
	pinctrl-0 = <&i2c1_default>;
	pinctrl-names = "default";
	sda-gpios = <&gpio0 26 GPIO_OPEN_DRAIN>;
	scl-gpios = <&gpio1 0 GPIO_OPEN_DRAIN>;
};


&timer0 {
	status = "okay";
};

&timer1 {
	status = "okay";
};

&timer2 {
	status = "okay";
};

&timer3 {
	status = "okay";
};

&trng0 {
	status = "okay";
};

&spi2 {
	#address-cells = <1>;
	#size-cells = <0>;
	pinctrl-0 = <&spim2_default>;
	pinctrl-names = "default";
};

/* used for SK6812 */
&spi3 {
	#address-cells = <1>;
	#size-cells = <0>;
	status = "okay";
	line-idle-low;
	pinctrl-0 = <&spim3_ws2812_led>;
	pinctrl-names = "default";

	status_rgb_led: ws2812@0 {
		compatible = "worldsemi,ws2812-spi";
		reg = <0>;
		spi-max-frequency = <WS2812C_SPI_FREQ>;

		chain-length = <1>;
		color-mapping =	<LED_COLOR_ID_GREEN>,
			<LED_COLOR_ID_RED>,
			<LED_COLOR_ID_BLUE>;
		spi-one-frame = <WS2812C_ONE_FRAME>;
		spi-zero-frame = <WS2812C_ZERO_FRAME>;
	};
};

&gpio0 {
	status = "okay";
};

&gpio1 {
	status = "okay";
};

&wdt0 {
	status = "okay";
};

&flash0 {
	status = "okay";
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		/* Reserve 60kB for the bootloader */
		boot_partition: partition@1000 {
			label = "mcuboot";
			reg = <0x00001000 0x0000F000>;
			read-only;
		};

		/* Reserve 1024kB for the application in slot 0 */
		slot0_partition: partition@10000 {
			label = "image-0";
			reg = <0x00010000 0x00100000>;
		};

		/* Reserve 1024kB for the application in slot 1 */
		slot1_partition: partition@110000 {
			label = "image-1";
			reg = <0x00110000 0x00100000>;
		};

		/* Reserve 256kB for the scratch partition */
		scratch_partition: partition@210000 {
			label = "image-scratch";
			reg = <0x00210000 0x00040000>;
		};

		storage_partition: partition@250000 {
			label = "storage";
			reg = <0x00250000 0x00006000>;
		};
	};
};