zmk_mf68/app/boards/shields/crbn/crbn.overlay

/*
 * Copyright (c) 2020 The ZMK Contributors
 *
 * SPDX-License-Identifier: MIT
 */

#include <dt-bindings/zmk/matrix_transform.h>

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

	kscan0: kscan_0 {
		compatible = "zmk,kscan-gpio-matrix";
		label = "KSCAN";
		diode-direction = "col2row";

		col-gpios
			= <&pro_micro 1 GPIO_ACTIVE_HIGH>
			, <&pro_micro 0 GPIO_ACTIVE_HIGH>
			, <&pro_micro 2 GPIO_ACTIVE_HIGH>
			, <&pro_micro 3 GPIO_ACTIVE_HIGH>
			, <&pro_micro 4 GPIO_ACTIVE_HIGH>
			, <&pro_micro 5 GPIO_ACTIVE_HIGH>
			, <&pro_micro 6 GPIO_ACTIVE_HIGH>
			, <&pro_micro 7 GPIO_ACTIVE_HIGH>
			, <&pro_micro 8 GPIO_ACTIVE_HIGH>
			, <&pro_micro 9 GPIO_ACTIVE_HIGH>
			, <&pro_micro 10 GPIO_ACTIVE_HIGH>
			, <&pro_micro 16 GPIO_ACTIVE_HIGH>
			;

		row-gpios
			= <&pro_micro 14 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&pro_micro 15 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&pro_micro 18 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&pro_micro 19 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			;
	};

	encoder: encoder {
		compatible = "alps,ec11";
		label = "ENCODER";
		a-gpios = <&pro_micro 20 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
		b-gpios = <&pro_micro 21 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
		resolution = <2>;
		status = "okay";
	};

	sensors {
		compatible = "zmk,keymap-sensors";
		sensors = <&encoder>;
	};
};