/dts-v1/; #include #include #include #include #include #include #include #include #include #include #include #include / { compatible = "root"; model = "Waveshare ESP32-S3-Geek"; wifi0 { compatible = "espressif,esp32-wifi-pinned"; status = "disabled"; }; ble0 { compatible = "espressif,esp32-ble"; status = "disabled"; }; gpio0 { compatible = "espressif,esp32-gpio"; gpio-count = <49>; }; i2c0 { compatible = "espressif,esp32-i2c"; port = ; clock-frequency = <400000>; pin-sda = <&gpio0 16 GPIO_FLAG_NONE>; pin-scl = <&gpio0 17 GPIO_FLAG_NONE>; }; display_backlight_pwm { compatible = "espressif,esp32-pwm-ledc"; pin = <&gpio0 7 GPIO_FLAG_NONE>; period-ns = <1953125>; 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 10 GPIO_FLAG_NONE>; pin-mosi = <&gpio0 11 GPIO_FLAG_NONE>; pin-sclk = <&gpio0 12 GPIO_FLAG_NONE>; display@0 { compatible = "sitronix,st7789"; horizontal-resolution = <135>; vertical-resolution = <240>; gap-x = <52>; gap-y = <40>; mirror-x; mirror-y; invert-color; pixel-clock-hz = <62500000>; pin-dc = <&gpio0 8 GPIO_FLAG_NONE>; pin-reset = <&gpio0 9 GPIO_FLAG_NONE>; backlight = <&display_backlight>; }; }; buttons { compatible = "tactility,button-control"; pin-primary = <&gpio0 0 GPIO_FLAG_NONE>; }; sdmmc0 { compatible = "espressif,esp32-sdmmc"; pin-clk = <&gpio0 36 GPIO_FLAG_NONE>; pin-cmd = <&gpio0 35 GPIO_FLAG_NONE>; pin-d0 = <&gpio0 37 GPIO_FLAG_NONE>; pin-d1 = <&gpio0 33 GPIO_FLAG_NONE>; pin-d2 = <&gpio0 38 GPIO_FLAG_NONE>; pin-d3 = <&gpio0 34 GPIO_FLAG_NONE>; slot = ; bus-width = <4>; }; uart0 { compatible = "espressif,esp32-uart"; port = ; pin-tx = <&gpio0 43 GPIO_FLAG_NONE>; pin-rx = <&gpio0 44 GPIO_FLAG_NONE>; }; };