/dts-v1/; #include #include #include #include / { compatible = "root"; model = "unPhone"; gpio0 { compatible = "espressif,esp32-gpio"; gpio-count = <49>; }; i2c_internal { compatible = "espressif,esp32-i2c"; port = ; clock-frequency = <400000>; pin-sda = <3>; pin-scl = <4>; }; sdcard_spi: spi0 { compatible = "espressif,esp32-spi"; host = ; pin-mosi = <40>; pin-miso = <41>; pin-sclk = <39>; max-transfer-size = <65536>; }; };