/dts-v1/; #include #include #include #include #include #include #include #include #include #include #include #include / { compatible = "root"; model = "CYD 2432S028R"; wifi0 { compatible = "espressif,esp32-wifi-pinned"; status = "disabled"; }; gpio0 { compatible = "espressif,esp32-gpio"; gpio-count = <40>; }; i2c_cn1 { compatible = "espressif,esp32-i2c"; port = ; clock-frequency = <400000>; pin-sda = <&gpio0 27 GPIO_FLAG_NONE>; pin-scl = <&gpio0 22 GPIO_FLAG_NONE>; }; rgb_led_channel_red { compatible = "espressif,esp32-pwm-ledc"; pin = <&gpio0 4 GPIO_FLAG_NONE>; period-ns = <500000>; ledc-timer = <0>; ledc-channel = <0>; inverted; }; rgb_led_channel_green { compatible = "espressif,esp32-pwm-ledc"; pin = <&gpio0 16 GPIO_FLAG_NONE>; period-ns = <500000>; ledc-timer = <0>; ledc-channel = <1>; inverted; }; rgb_led_channel_blue { compatible = "espressif,esp32-pwm-ledc"; pin = <&gpio0 17 GPIO_FLAG_NONE>; period-ns = <500000>; ledc-timer = <0>; ledc-channel = <2>; inverted; }; display_backlight_pwm { compatible = "espressif,esp32-pwm-ledc"; pin = <&gpio0 21 GPIO_FLAG_NONE>; period-ns = <1953125>; ledc-timer = <1>; ledc-channel = <3>; }; rgb_led_pwm { compatible = "rgb-led-pwm"; pwm-red = <&rgb_led_channel_red>; pwm-green = <&rgb_led_channel_green>; pwm-blue = <&rgb_led_channel_blue>; // Default is red, and we want to reset it to off by default default-color = <0 0 0>; enabled; }; 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>; }; touch { compatible = "xptek,xpt2046-softspi"; pin-mosi = <&gpio0 32 GPIO_FLAG_NONE>; pin-miso = <&gpio0 39 GPIO_FLAG_NONE>; pin-sck = <&gpio0 25 GPIO_FLAG_NONE>; pin-cs = <&gpio0 33 GPIO_FLAG_NONE>; x-max = <240>; y-max = <320>; mirror-x; }; spi0 { compatible = "espressif,esp32-spi"; host = ; cs-gpios = <&gpio0 15 GPIO_FLAG_NONE>; pin-mosi = <&gpio0 13 GPIO_FLAG_NONE>; pin-miso = <&gpio0 12 GPIO_FLAG_NONE>; pin-sclk = <&gpio0 14 GPIO_FLAG_NONE>; display@0 { compatible = "ilitek,ili9341"; horizontal-resolution = <240>; vertical-resolution = <320>; mirror-x; bgr-order; pixel-clock-hz = <40000000>; pin-dc = <&gpio0 2 GPIO_FLAG_NONE>; backlight = <&display_backlight>; }; }; spi1 { compatible = "espressif,esp32-spi"; host = ; pin-mosi = <&gpio0 23 GPIO_FLAG_NONE>; pin-miso = <&gpio0 19 GPIO_FLAG_NONE>; pin-sclk = <&gpio0 18 GPIO_FLAG_NONE>; cs-gpios = <&gpio0 5 GPIO_FLAG_NONE>; sdcard@0 { compatible = "espressif,esp32-sdspi"; frequency-khz = <20000>; }; }; uart1 { compatible = "espressif,esp32-uart"; port = ; pin-tx = <&gpio0 3 GPIO_FLAG_NONE>; pin-rx = <&gpio0 1 GPIO_FLAG_NONE>; }; };