zmk/app/boards/shields/reviung41/reviung41.overlay

/*
 * Copyright (c) 2020 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 = <6>;
        rows = <7>;

        map = <
RC(0,0) RC(0,1) RC(0,2) RC(0,3) RC(0,4) RC(0,5) RC(3,0) RC(3,1) RC(3,2) RC(3,3) RC(3,4) RC(3,5)
RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4) RC(1,5) RC(4,0) RC(4,1) RC(4,2) RC(4,3) RC(4,4) RC(4,5)
RC(2,0) RC(2,1) RC(2,2) RC(2,3) RC(2,4) RC(2,5) RC(5,0) RC(5,1) RC(5,2) RC(5,3) RC(5,4) RC(5,5)
                        RC(6,0)    RC(6,1)  RC(6,2)  RC(6,3)    RC(6,4)
        >;
    };

    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>
            , <&pro_micro 9 GPIO_ACTIVE_HIGH>
            ;

        row-gpios
            = <&pro_micro 21 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 20 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 19 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 18 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 15 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 14 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 16 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            ;
    };
};