/dts-v1/; /plugin/; / { metadata { title = "Enable UART2-M2"; compatible = "radxa,rock-5b"; category = "misc"; exclusive = "GPIO3_B1", "GPIO3_B2"; description = "Enable UART2-M2.\nOn Radxa ROCK 5B this is TX pin 36 and this is RX pin 38."; }; fragment@0 { target = <&fiq_debugger>; __overlay__ { status = "okay"; rockchip,serial-id = <0xffffffff>; }; }; fragment1 { target = <&uart2>; __overlay__ { status = "okay"; pinctrl-0 = <&uart2m2_xfer>; }; }; };