/dts-v1/;

#include <tactility/bindings/root.h>
#include <tactility/bindings/esp32_ble.h>
#include <tactility/bindings/esp32_gpio.h>
#include <tactility/bindings/esp32_i2c_master.h>
#include <tactility/bindings/esp32_i2s.h>
#include <tactility/bindings/esp32_pwm_ledc.h>
#include <tactility/bindings/esp32_sdspi.h>
#include <tactility/bindings/esp32_sleep.h>
#include <tactility/bindings/esp32_spi.h>
#include <tactility/bindings/esp32_wifi_pinned.h>
#include <tactility/bindings/esp32_usbdevice.h>
#include <tactility/bindings/gpio_hog.h>
#include <tactility/bindings/pwm_backlight.h>

#include <bindings/st7789.h>
#include <bindings/dummy_i2s_amp.h>
#include <bindings/pdm_mic.h>
#include <bindings/bq25896.h>
#include <bindings/bq27220.h>
#include <bindings/gpio_encoder.h>
#include <bindings/esp32_led_strip.h>
#include <bindings/cc1101.h>

#define WAKEUP_BUTTON_FLAGS (GPIO_FLAG_ACTIVE_LOW | GPIO_FLAG_PULL_UP)

// Reference:
// https://wiki.lilygo.cc/products/t-embed-series/t-embed-cc1101/
// https://github.com/Xinyuan-LilyGO/T-Embed-CC1101
// https://lilygo.cc/products/t-embed-cc1101
/ {
	compatible = "root";
	model = "T-Embed CC1101";

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

	ble0 {
		compatible = "espressif,esp32-ble";
	};

	gpio0 {
		compatible = "espressif,esp32-gpio";
		gpio-count = <49>;
	};

	// Required to enable peripherals like BQ25896
	peripheral-power-hog {
		compatible = "gpio-hog";
		pin = <&gpio0 15 GPIO_FLAG_NONE>;
		mode = <GPIO_HOG_MODE_OUTPUT_HIGH>;
	};

	// Speaker I2S (MAX98357A amplifier)
	i2s0 {
		compatible = "espressif,esp32-i2s";
		port = <I2S_NUM_0>;
		pin-bclk = <&gpio0 46 GPIO_FLAG_NONE>;
		pin-ws = <&gpio0 40 GPIO_FLAG_NONE>;
		pin-data-out = <&gpio0 7 GPIO_FLAG_NONE>;
		pin-data-in = <&gpio0 42 GPIO_FLAG_NONE>;
		pin-mclk = <&gpio0 39 GPIO_FLAG_NONE>;
	};

	// MAX98357A class-D speaker amplifier. No I2C.
	speaker0 {
		compatible = "maxim,max98357a";
		i2s = <&i2s0>;
	};

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

	// WS2812 RGB LED Ring
	// TODO - Sync on/off with DisplayIdle?
	ledstrip0 {
		compatible = "espressif,esp32-led-strip";
		pin-data = <&gpio0 14 GPIO_FLAG_NONE>;
		led-count = <8>;
	};

	i2c_internal: i2c0 {
		compatible = "espressif,esp32-i2c-master";
		port = <I2C_NUM_0>;
		clock-frequency = <100000>;
		pin-sda = <&gpio0 8 GPIO_FLAG_NONE>;
		pin-scl = <&gpio0 18 GPIO_FLAG_NONE>;

		bq27220 {
			compatible = "ti,bq27220";
			reg = <0x55>;
		};

		bq25896 {
			compatible = "ti,bq25896";
			reg = <0x6B>;
		};

		// TODO - Add PN532 NFC - IRQ GPIO 17, RES GPIO 45, address 0x24 - driver needed
	};

	display_backlight_pwm {
		compatible = "espressif,esp32-pwm-ledc";
		pin = <&gpio0 21 GPIO_FLAG_NONE>;
		period-ns = <33333>;
		ledc-timer = <0>;
		ledc-channel = <0>;
	};

	display_backlight {
		compatible = "pwm-backlight";
		// Off by default so dispaly power-on won't show the screen from before the last power loss.
		// The display backlight is turned on during the boot process.
		status = "disabled";
		pwm = <&display_backlight_pwm>;
	};

	spi0 {
		compatible = "espressif,esp32-spi";
		host = <SPI2_HOST>;
		cs-gpios = <&gpio0 41 GPIO_FLAG_NONE>, // Display
			<&gpio0 13 GPIO_FLAG_NONE>, // SD card
			<&gpio0 12 GPIO_FLAG_NONE>; // Radio - CC1101
		pin-mosi = <&gpio0 9 GPIO_FLAG_NONE>;
		pin-miso = <&gpio0 10 GPIO_FLAG_NONE>;
		pin-sclk = <&gpio0 11 GPIO_FLAG_NONE>;

		display@0 {
			compatible = "sitronix,st7789";
			horizontal-resolution = <320>;
			vertical-resolution = <170>;
			gap-x = <35>;
			swap-xy;
			mirror-y;
			invert-color;
			pixel-clock-hz = <80000000>;
			pin-dc = <&gpio0 16 GPIO_FLAG_NONE>;
			backlight = <&display_backlight>;
		};

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

		// CC1101 transceiver: CS/GDO0 = GPIO 12/3. SW1/SW0 (GPIO 47/48) select the
		// antenna matching network: 315 MHz = 1/0, 433 MHz = 1/1, 868/915 MHz = 0/1.
		// Module power comes from the peripheral power hog (GPIO 15).
		radio@2 {
			compatible = "ti,cc1101";
			reg = <2>;
			pin-gdo0 = <&gpio0 3 GPIO_FLAG_NONE>;
			pin-band-switch-0 = <&gpio0 48 GPIO_FLAG_NONE>;
			pin-band-switch-1 = <&gpio0 47 GPIO_FLAG_NONE>;
			band-switch-low = <2>;
			band-switch-mid = <3>;
			band-switch-high = <1>;
		};
	};

	encoder {
		compatible = "tactility,gpio-encoder";
		pin-a = <&gpio0 5 GPIO_FLAG_NONE>;
		pin-b = <&gpio0 4 GPIO_FLAG_NONE>;
		pin-enter = <&gpio0 0 GPIO_FLAG_NONE>;
		pulses-per-detent = <2>;
		pending-capacity = <8>;
	};

	sleep {
		compatible = "espressif,esp32-sleep";
		wakeup-gpios = <&gpio0 6 WAKEUP_BUTTON_FLAGS>;
	};

	usbdevice0 {
		compatible = "espressif,esp32-usbdevice";

		usbdevicemsc0 {
			compatible = "espressif,esp32-usbdevice-msc";
		};
	};
};