/dts-v1/; #include #include #include #include #include #include // Reference: https://wiki.lilygo.cc/get_started/en/LoRa_GPS/T-LoraPager/T-LoraPager.html#Pin-Overview / { compatible = "lilygo,tlora-pager"; model = "LilyGO T-Lora Pager"; gpio0 { compatible = "espressif,esp32-gpio"; gpio-count = <49>; }; i2c0 { compatible = "espressif,esp32-i2c"; port = ; clock-frequency = <100000>; pin-sda = <&gpio0 3 GPIO_FLAG_NONE>; pin-scl = <&gpio0 2 GPIO_FLAG_NONE>; }; spi0 { compatible = "espressif,esp32-spi"; host = ; pin-mosi = <&gpio0 34 GPIO_FLAG_NONE>; pin-miso = <&gpio0 33 GPIO_FLAG_NONE>; pin-sclk = <&gpio0 35 GPIO_FLAG_NONE>; }; // ES8311 // TODO: init via I2C to enable audio playback i2s0 { compatible = "espressif,esp32-i2s"; port = ; pin-bclk = <&gpio0 11 GPIO_FLAG_NONE>; pin-ws = <&gpio0 18 GPIO_FLAG_NONE>; pin-data-out = <&gpio0 45 GPIO_FLAG_NONE>; pin-data-in = <&gpio0 17 GPIO_FLAG_NONE>; pin-mclk = <&gpio0 10 GPIO_FLAG_NONE>; }; uart_internal: uart0 { compatible = "espressif,esp32-uart"; port = ; pin-tx = <&gpio0 12 GPIO_FLAG_NONE>; pin-rx = <&gpio0 4 GPIO_FLAG_NONE>; }; uart_external: uart1 { compatible = "espressif,esp32-uart"; port = ; pin-tx = <&gpio0 43 GPIO_FLAG_NONE>; pin-rx = <&gpio0 44 GPIO_FLAG_NONE>; }; };