Tactility/Devices/lilygo-tdeck/lilygo,tdeck.dts
2026-07-11 02:10:32 +02:00

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/dts-v1/;
#include <tactility/bindings/battery_sense.h>
#include <tactility/bindings/root.h>
#include <tactility/bindings/esp32_adc_oneshot.h>
#include <tactility/bindings/esp32_ble.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_ledc_backlight.h>
#include <tactility/bindings/esp32_sdspi.h>
#include <tactility/bindings/esp32_spi.h>
#include <tactility/bindings/esp32_wifi_pinned.h>
#include <tactility/bindings/esp32_uart.h>
#include <bindings/gt911.h>
#include <bindings/st7789.h>
#include <bindings/tdeck_keyboard.h>
#include <bindings/tdeck_keyboard_backlight.h>
// Reference: https://wiki.lilygo.cc/get_started/en/Wearable/T-Deck-Plus/T-Deck-Plus.html#Pin-Overview
/ {
compatible = "root";
model = "LilyGO T-Deck";
adc0 {
compatible = "espressif,esp32-adc-oneshot";
unit-id = <ADC_UNIT_1>;
clk-src = <ADC_RTC_CLK_SRC_DEFAULT>;
channels = <ADC_CHANNEL_3 ADC_ATTEN_DB_12 ADC_BITWIDTH_DEFAULT>;
};
battery-sense {
compatible = "battery-sense";
io-channels = <&adc0 0>;
reference-voltage-mv = <3300>;
multiplier = <2110>;
};
wifi0 {
compatible = "espressif,esp32-wifi-pinned";
status = "disabled";
};
ble0 {
compatible = "espressif,esp32-ble";
status = "disabled";
};
gpio0 {
compatible = "espressif,esp32-gpio";
gpio-count = <49>;
};
i2c_internal: i2c0 {
compatible = "espressif,esp32-i2c";
port = <I2C_NUM_0>;
clock-frequency = <100000>;
pin-sda = <&gpio0 18 GPIO_FLAG_NONE>;
pin-scl = <&gpio0 8 GPIO_FLAG_NONE>;
touch {
compatible = "goodix,gt911";
reg = <0x5D>;
x-max = <240>;
y-max = <320>;
swap-xy;
mirror-x;
pin-interrupt = <&gpio0 16 GPIO_FLAG_NONE>;
};
keyboard {
compatible = "lilygo,tdeck-keyboard";
reg = <0x55>;
};
keyboard_backlight {
compatible = "lilygo,tdeck-keyboard-backlight";
reg = <0x55>;
};
};
i2s0 {
compatible = "espressif,esp32-i2s";
port = <I2S_NUM_0>;
pin-bclk = <&gpio0 7 GPIO_FLAG_NONE>;
pin-ws = <&gpio0 5 GPIO_FLAG_NONE>;
pin-data-out = <&gpio0 6 GPIO_FLAG_NONE>;
};
display_backlight {
compatible = "espressif,esp32-ledc-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";
pin-backlight = <&gpio0 42 GPIO_FLAG_NONE>;
// 32 KHz and higher causes the screen to start dimming again above 80% brightness
// when moving the brightness slider rapidly from a lower setting to 100% (debug-traced, not a slider bug).
frequency-hz = <30000>;
};
spi0 {
compatible = "espressif,esp32-spi";
host = <SPI2_HOST>;
cs-gpios = <&gpio0 12 GPIO_FLAG_NONE>, // Display
<&gpio0 39 GPIO_FLAG_NONE>, // SD card
<&gpio0 9 GPIO_FLAG_NONE>; // Radio
pin-mosi = <&gpio0 41 GPIO_FLAG_NONE>;
pin-miso = <&gpio0 38 GPIO_FLAG_NONE>;
pin-sclk = <&gpio0 40 GPIO_FLAG_NONE>;
display@0 {
compatible = "sitronix,st7789";
horizontal-resolution = <320>;
vertical-resolution = <240>;
swap-xy;
mirror-x;
invert-color;
pixel-clock-hz = <62500000>;
pin-dc = <&gpio0 11 GPIO_FLAG_NONE>;
backlight = <&display_backlight>;
};
// Must be started after display
sdcard@1 {
compatible = "espressif,esp32-sdspi";
status = "disabled";
frequency-khz = <20000>;
};
};
uart0 {
compatible = "espressif,esp32-uart";
port = <UART_NUM_1>;
pin-tx = <&gpio0 43 GPIO_FLAG_NONE>;
pin-rx = <&gpio0 44 GPIO_FLAG_NONE>;
};
};