/ { chosen { zmk,kscan = &kscan0; }; kscan0: kscan { compatible = "gpio-kscan"; label = "KSCAN"; diode-direction = "row2col"; row-gpios = <&arduino_header 8 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>, <&arduino_header 10 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; col-gpios = <&arduino_header 13 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>, <&arduino_header 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; }; };