/dts-v1/; /plugin/; /* enable mmc1 */ / { fragment@0 { target-path = "/ahb/apb/mmc@f000c000"; __overlay__ { status = "okay"; slot@0 { reg = <0>; bus-width = <4>; cd-gpios = <&pioA 1 GPIO_ACTIVE_HIGH>; }; }; }; };