/dts-v1/; #include #include #include #include #include #include #include #include #include #include #include #include // Reference: https://www.waveshare.com/wiki/ESP32-S3-Touch-LCD-1.47 / { compatible = "root"; model = "Waveshare S3 Touch LCD 1.47"; 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 { compatible = "espressif,esp32-i2c"; port = ; clock-frequency = <400000>; pin-sda = <&gpio0 42 GPIO_FLAG_NONE>; pin-scl = <&gpio0 41 GPIO_FLAG_NONE>; touch0 { compatible = "axs,axs5106"; reg = <0x63>; x-max = <172>; y-max = <320>; mirror-x; pin-reset = <&gpio0 47 GPIO_FLAG_NONE>; pin-interrupt = <&gpio0 48 GPIO_FLAG_NONE>; }; }; display_backlight_pwm { compatible = "espressif,esp32-pwm-ledc"; pin = <&gpio0 46 GPIO_FLAG_NONE>; period-ns = <100000>; 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>; }; spi0 { compatible = "espressif,esp32-spi"; host = ; cs-gpios = <&gpio0 21 GPIO_FLAG_NONE>; pin-mosi = <&gpio0 39 GPIO_FLAG_NONE>; pin-sclk = <&gpio0 38 GPIO_FLAG_NONE>; display@0 { compatible = "jadard,jd9853"; horizontal-resolution = <172>; vertical-resolution = <320>; gap-x = <34>; invert-color; pin-dc = <&gpio0 45 GPIO_FLAG_NONE>; pin-reset = <&gpio0 40 GPIO_FLAG_NONE>; backlight = <&display_backlight>; }; }; spi1 { compatible = "espressif,esp32-spi"; host = ; cs-gpios = <&gpio0 14 GPIO_FLAG_NONE>; pin-mosi = <&gpio0 15 GPIO_FLAG_NONE>; pin-miso = <&gpio0 17 GPIO_FLAG_NONE>; pin-sclk = <&gpio0 16 GPIO_FLAG_NONE>; sdcard@0 { compatible = "espressif,esp32-sdspi"; frequency-khz = <20000>; }; }; buttons { compatible = "tactility,button-control"; pin-primary = <&gpio0 0 GPIO_FLAG_NONE>; }; };