/dts-v1/;

#include <tactility/bindings/root.h>
#include <tactility/bindings/esp32_wifi_pinned.h>
#include <tactility/bindings/esp32_gpio.h>
#include <tactility/bindings/esp32_grove.h>
#include <tactility/bindings/esp32_i2c.h>
#include <tactility/bindings/esp32_i2s.h>
#include <tactility/bindings/esp32_sdspi.h>
#include <tactility/bindings/esp32_spi.h>
#include <tactility/bindings/esp32_uart.h>
#include <bindings/mpu6886.h>
#include <bindings/bm8563.h>
#include <bindings/axp192.h>
#include <bindings/ft5x06.h>
#include <bindings/ili9341.h>
#include <bindings/dummy_i2s_amp.h>
#include <bindings/pdm_mic.h>

// Reference: https://docs.m5stack.com/en/core/Core2
/ {
	compatible = "root";
	model = "M5Stack Core2";

	wifi0 {
		compatible = "espressif,esp32-wifi-pinned";
		status = "disabled";
	};

	gpio0 {
		compatible = "espressif,esp32-gpio";
		gpio-count = <40>;
	};

	i2c_internal {
		compatible = "espressif,esp32-i2c";
		port = <I2C_NUM_0>;
		clock-frequency = <400000>;
		pin-sda = <&gpio0 21 GPIO_FLAG_NONE>;
		pin-scl = <&gpio0 22 GPIO_FLAG_NONE>;

		mpu6886 {
			compatible = "invensense,mpu6886";
			reg = <0x68>;
		};

		bm8563 {
			compatible = "belling,bm8563";
			reg = <0x51>;
		};

		axp192 {
			compatible = "x-powers,axp192";
			reg = <0x34>;
			dcdc1-enable; // ESP32 + peripherals main 3V3 rail - must stay on
			dcdc1-voltage = <3300>;
			dcdc3-enable; // LCD backlight
			dcdc3-voltage = <3300>;
			ldo2-enable; // LCD logic + SD card
			ldo2-voltage = <3300>;
			// ldo3 (vibration motor) intentionally left disabled
			exten-enable; // 5V boost (speaker amp etc.)
			gpio1-pwm; // GPIO1 as PWM1 output, drives the notification LED
			gpio1-pwm1-duty-cycle = <255>; // 255 = LED off
		};

		// FT6x36 driver doesn't reliably work when power cycling,
		// or when the driver was powering on with its own power supply (not USB-C).
		// The driver would not find the device and init would fail.
		touch {
			compatible = "focaltech,ft5x06";
			reg = <0x38>;
			x-max = <320>;
			y-max = <240>;
			pin-interrupt = <&gpio0 39 GPIO_FLAG_NONE>;
		};
	};

	port_a: grove0 {
		compatible = "espressif,esp32-grove";
		defaultMode = <GROVE_MODE_I2C>;
		pinSdaTx = <&gpio0 32 GPIO_FLAG_NONE>;
		pinSclRx = <&gpio0 33 GPIO_FLAG_NONE>;
		uartPort = <UART_NUM_1>;
		i2cPort = <I2C_NUM_1>;
		i2cClockFrequency = <400000>;
	};

	spi0 {
		compatible = "espressif,esp32-spi";
		host = <SPI2_HOST>;
		cs-gpios = <&gpio0 5 GPIO_FLAG_NONE>, // Display
				   <&gpio0 4 GPIO_FLAG_NONE>; // SD card
		pin-mosi = <&gpio0 23 GPIO_FLAG_NONE>;
		pin-miso = <&gpio0 38 GPIO_FLAG_NONE>;
		pin-sclk = <&gpio0 18 GPIO_FLAG_NONE>;
	
		display@0 {
			compatible = "ilitek,ili9341";
			horizontal-resolution = <320>;
			vertical-resolution = <240>;
			invert-color;
			bgr-order;
			pixel-clock-hz = <40000000>;
			pin-dc = <&gpio0 15 GPIO_FLAG_NONE>;
		};

		sdcard@1 {
			compatible = "espressif,esp32-sdspi";
			frequency-khz = <20000>;
		};
	};

	i2s0 {
		compatible = "espressif,esp32-i2s";
		port = <I2S_NUM_0>;
		pin-bclk = <&gpio0 12 GPIO_FLAG_NONE>;
		pin-ws = <&gpio0 0 GPIO_FLAG_NONE>;
		pin-data-out = <&gpio0 2 GPIO_FLAG_NONE>;
		pin-data-in = <&gpio0 34 GPIO_FLAG_NONE>;
	};

	speaker0 {
		compatible = "nsiway,ns4168";
		i2s = <&i2s0>;
	};

	mic0 {
		compatible = "generic,spm1423";
		i2s = <&i2s0>;
		channels = <1>;
	};
};