minico2-firmware/boards/xtensa/minico2/minico2.dts

/dts-v1/;
#include <espressif/esp32/esp32_wroom_32ue_n4.dtsi>
#include "minico2-pinctrl.dtsi"

/ {
	model = "MiniCO2 Revision 0";
	compatible = "espressif,esp32";

	chosen {
		zephyr,sram = &sram0;
		zephyr,console = &uart0;
		zephyr,shell-uart = &uart0;
		zephyr,flash = &flash0;
		zephyr,display = &epd;
	};
};

&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";
};

&gpio0 {
	status = "okay";
};

&gpio1 {
	status = "okay";
};

&i2c0 {
	status = "okay";
	clock-frequency = <I2C_BITRATE_STANDARD>;
	sda-gpios = <&gpio0 32 GPIO_OPEN_DRAIN>;
	scl-gpios = <&gpio0 33 GPIO_OPEN_DRAIN>;
	pinctrl-0 = <&i2c0_default>;
	pinctrl-names = "default";
};

&spi2 {
	status = "okay";
	pinctrl-0 = <&spi2_default>;
	pinctrl-names = "default";
	cs-gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
	#address-cells = <1>;
	#size-cells = <0>;

	epd: sd16xxfb@0 {
		compatible = "gooddisplay,gdey0213b74", "solomon,ssd1680";
		spi-max-frequency = <4000000>;
		reg = <0>;
		width = <250>;
		height = <122>;
		dc-gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
		reset-gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
		busy-gpios = <&gpio0 19 GPIO_ACTIVE_HIGH>;
	};
};

&trng0 {
	status = "okay";
};

/* Stolen from an Espressif devkit's dts, thanks Espressif */
&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>;
		};
	};
};