zmk_mf68/app/boards/shields/romac/romac.overlay

/*
 * Copyright (c) 2020 Pete Johanson, Richard Jones
 *
 * SPDX-License-Identifier: MIT
 */

#include <dt-bindings/zmk/matrix-transform.h>

/ {
	chosen {
		zmk,kscan = &kscan0;
	};

	kscan0: kscan {
		compatible = "zmk,kscan-gpio-matrix";
		label = "KSCAN";

		diode-direction = "col2row";
		row-gpios
			= <&pro_micro_d 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&pro_micro_d 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&pro_micro_d 6 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&pro_micro_d 7 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			;

		col-gpios
			= <&pro_micro_a  0 GPIO_ACTIVE_HIGH>
			, <&pro_micro_d 15 GPIO_ACTIVE_HIGH>
			, <&pro_micro_d 14 GPIO_ACTIVE_HIGH>
			;

	};
};