/dts-v1/;

#include <tactility/bindings/root.h>
#include <tactility/bindings/battery_sense.h>
#include <tactility/bindings/esp32_adc_oneshot.h>
#include <tactility/bindings/esp32_wifi_pinned.h>
#include <tactility/bindings/esp32_gpio.h>
#include <tactility/bindings/esp32_i2c.h>
#include <tactility/bindings/esp32_spi.h>
#include <tactility/bindings/esp32_sdspi.h>
#include <tactility/bindings/esp32_pwm_ledc.h>
#include <tactility/bindings/pwm_backlight.h>
#include <tactility/bindings/rgb_led_pwm.h>
#include <bindings/st7789.h>
#include <bindings/xpt2046.h>

/ {
	compatible = "root";
	model = "CYD E32R32P";

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

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

	i2c_external {
		compatible = "espressif,esp32-i2c";
		port = <I2C_NUM_0>;
		clock-frequency = <400000>;
		pin-sda = <&gpio0 32 GPIO_FLAG_NONE>;
		pin-scl = <&gpio0 25 GPIO_FLAG_NONE>;
	};

	adc0 {
		compatible = "espressif,esp32-adc-oneshot";
		unit-id = <ADC_UNIT_1>;
		channels = <ADC_CHANNEL_6 ADC_ATTEN_DB_12 ADC_BITWIDTH_DEFAULT>;
	};

	rgb_led_channel_red {
		compatible = "espressif,esp32-pwm-ledc";
		pin = <&gpio0 22 GPIO_FLAG_NONE>;
		period-ns = <500000>;
		ledc-timer = <0>;
		ledc-channel = <0>;
		inverted;
	};

	rgb_led_channel_green {
		compatible = "espressif,esp32-pwm-ledc";
		pin = <&gpio0 16 GPIO_FLAG_NONE>;
		period-ns = <500000>;
		ledc-timer = <0>;
		ledc-channel = <1>;
		inverted;
	};

	rgb_led_channel_blue {
		compatible = "espressif,esp32-pwm-ledc";
		pin = <&gpio0 17 GPIO_FLAG_NONE>;
		period-ns = <500000>;
		ledc-timer = <0>;
		ledc-channel = <2>;
		inverted;
	};

	rgb_led_pwm {
		compatible = "rgb-led-pwm";
		pwm-red = <&rgb_led_channel_red>;
		pwm-green = <&rgb_led_channel_green>;
		pwm-blue = <&rgb_led_channel_blue>;
		// Default is red, and we want to reset it to off by default
		default-color = <0 0 0>;
		enabled;
	};

	// Matches the deprecated HAL's old ChargeFromAdcVoltage config: adcMultiplier=2.11,
	// adcRefVoltage=3.3 (default), voltageMin/Max=3.2/4.2 (default, same as battery-sense's own
	// fixed curve - see TactilityKernel/source/drivers/battery_sense.cpp).
	battery-sense {
		compatible = "battery-sense";
		io-channel = <&adc0 0>;
		reference-voltage-mv = <3300>;
		multiplier = <2110>;
	};

	display_backlight_pwm {
		compatible = "espressif,esp32-pwm-ledc";
		pin = <&gpio0 27 GPIO_FLAG_NONE>;
		period-ns = <25000>;
		ledc-timer = <1>;
		ledc-channel = <3>;
	};

	display_backlight {
		compatible = "pwm-backlight";
		// Off by default so display 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 15 GPIO_FLAG_NONE>, // Display
		            <&gpio0 33 GPIO_FLAG_NONE>; // Touch
		pin-mosi = <&gpio0 13 GPIO_FLAG_NONE>;
		pin-miso = <&gpio0 12 GPIO_FLAG_NONE>;
		pin-sclk = <&gpio0 14 GPIO_FLAG_NONE>;

		display@0 {
			compatible = "sitronix,st7789";
			horizontal-resolution = <240>;
			vertical-resolution = <320>;
			bgr-order;
			pixel-clock-hz = <40000000>;
			pin-dc = <&gpio0 2 GPIO_FLAG_NONE>;
			backlight = <&display_backlight>;
		};

		touch@1 {
			compatible = "xptek,xpt2046";
			x-max = <240>;
			y-max = <320>;
			mirror-x;
			mirror-y;
		};
	};

	spi1 {
		compatible = "espressif,esp32-spi";
		host = <SPI3_HOST>;
		cs-gpios = <&gpio0 5 GPIO_FLAG_NONE>;
		pin-mosi = <&gpio0 23 GPIO_FLAG_NONE>;
		pin-miso = <&gpio0 19 GPIO_FLAG_NONE>;
		pin-sclk = <&gpio0 18 GPIO_FLAG_NONE>;

		sdcard@0 {
			compatible = "espressif,esp32-sdspi";
			frequency-khz = <20000>;
		};
	};
};