zmk/app/boards/shields/reviung5/reviung5.overlay

/*
 * Copyright (c) 2022 The ZMK Contributors
 *
 * SPDX-License-Identifier: MIT
 */

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

/ {
    chosen {
            zmk,kscan = &kscan0;
            zmk,matrix-transform = &default_transform;
    };

    default_transform: keymap_transform_0 {
        compatible = "zmk,matrix-transform";
        columns = <5>;
        rows = <1>;

        map = <RC(0,0) RC(0,1) RC(0,2) RC(0,3) RC(0,4)>;
    };

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

            col-gpios
                = <&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>
                ;

            row-gpios
                = <&pro_micro 21 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
                ;
    };

    encoder: encoder {
        compatible = "alps,ec11";
        a-gpios = <&pro_micro 3 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
        b-gpios = <&pro_micro 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
        steps = <80>;
        status = "okay";
    };

    sensors: sensors {
        compatible = "zmk,keymap-sensors";
        sensors = <&encoder>;
        triggers-per-rotation = <20>;
    };
};