/dts-v1/; #include "jz4780.dtsi" / { compatible = "img,ci20", "ingenic,jz4780"; aliases { serial0 = &uart0; serial1 = &uart1; serial3 = &uart3; serial4 = &uart4; }; chosen { stdout-path = &uart4; }; memory { device_type = "memory"; reg = <0x0 0x10000000 0x30000000 0x30000000>; }; }; &ext { clock-frequency = <48000000>; }; &uart0 { status = "okay"; }; &uart1 { status = "okay"; }; &uart3 { status = "okay"; }; &uart4 { status = "okay"; };