/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_spi.h>
#include <tactility/bindings/esp32_sdspi.h>
#include <bindings/xl9555.h>

// Reference: https://github.com/Xinyuan-LilyGO/T-Deck-MAX
// lib/TDeckMaxBoard/src/TDeckMaxBoard.h, docs/pinmap.md
/ {
	compatible = "root";
	model = "LilyGO T-Deck Max";

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

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

	i2c0 {
		compatible = "espressif,esp32-i2c-master";
		port = <I2C_NUM_0>;
		clock-frequency = <100000>;
		pin-sda = <&gpio0 13 GPIO_FLAG_NONE>;
		pin-scl = <&gpio0 14 GPIO_FLAG_NONE>;

		xl9555 {
			compatible = "xlsemi,xl9555";
			reg = <0x20>;
		};
	};

	spi0 {
		compatible = "espressif,esp32-spi";
		host = <SPI2_HOST>;
		cs-gpios = <&gpio0 34 GPIO_FLAG_NONE>, // 0: EPD display
		           <&gpio0 48 GPIO_FLAG_NONE>, // 1: SD card
		           <&gpio0 3 GPIO_FLAG_NONE>;  // 2: LoRa radio (SX1262, not wired up yet)
		pin-mosi = <&gpio0 33 GPIO_FLAG_NONE>;
		pin-miso = <&gpio0 47 GPIO_FLAG_NONE>;
		pin-sclk = <&gpio0 36 GPIO_FLAG_NONE>;
		// The EPD pushes its whole 9600-byte framebuffer in one SPI write, which
		// exceeds the default ~4 KB transfer limit. Raise the bus limit to fit it.
		max-transfer-size = <65536>;

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