/dts-v1/; #include #include #include #include #include #include #include #include #include #include #include / { compatible = "root"; model = "LilyGO T-Display S3"; wifi0 { compatible = "espressif,esp32-wifi-pinned"; status = "disabled"; }; ble0 { compatible = "espressif,esp32-ble"; status = "disabled"; }; gpio0 { compatible = "espressif,esp32-gpio"; gpio-count = <49>; }; // Board peripheral power rail (GPIO15). The kernel_init() module-start pass (source/module.cpp) // asserts it before any devicetree device is constructed/started - see that file's start(). adc0 { compatible = "espressif,esp32-adc-oneshot"; unit-id = ; channels = ; }; 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 38 GPIO_FLAG_NONE>; period-ns = <33333>; ledc-timer = <0>; ledc-channel = <0>; }; 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>; }; i8080_0 { compatible = "espressif,esp32-i8080"; pin-dc = <&gpio0 7 GPIO_FLAG_NONE>; pin-wr = <&gpio0 8 GPIO_FLAG_NONE>; pin-rd = <&gpio0 9 GPIO_FLAG_NONE>; pin-d0 = <&gpio0 39 GPIO_FLAG_NONE>; pin-d1 = <&gpio0 40 GPIO_FLAG_NONE>; pin-d2 = <&gpio0 41 GPIO_FLAG_NONE>; pin-d3 = <&gpio0 42 GPIO_FLAG_NONE>; pin-d4 = <&gpio0 45 GPIO_FLAG_NONE>; pin-d5 = <&gpio0 46 GPIO_FLAG_NONE>; pin-d6 = <&gpio0 47 GPIO_FLAG_NONE>; pin-d7 = <&gpio0 48 GPIO_FLAG_NONE>; // horizontal-resolution * (vertical-resolution / 10 partial buffer) * 2 bytes/pixel max-transfer-bytes = <10880>; cs-gpios = <&gpio0 6 GPIO_FLAG_NONE>; display@0 { compatible = "sitronix,st7789-i8080"; horizontal-resolution = <170>; vertical-resolution = <320>; gap-x = <35>; pixel-clock-hz = <10000000>; pin-reset = <&gpio0 5 GPIO_FLAG_NONE>; backlight = <&display_backlight>; }; }; buttons { compatible = "tactility,button-control"; pin-primary = <&gpio0 0 GPIO_FLAG_NONE>; pin-secondary = <&gpio0 14 GPIO_FLAG_NONE>; }; };