zmk/app/boards/shields/tidbit/tidbit.dtsi

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

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

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

        diode-direction = "row2col";

        row-gpios
            = <&pro_micro 15 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 7 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 6 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            ;

        col-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)>
            ;

    };

    default_transform: keymap_transform_0 {
        compatible = "zmk,matrix-transform";
        columns = <4>;
        rows = <5>;

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

    encoder_1_top_row: encoder_1_top_row {
        compatible = "alps,ec11";
        a-gpios = <&pro_micro 16 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
        b-gpios = <&pro_micro 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
        steps = <80>;
        status = "disabled";
    };

    encoder_1: encoder_1 {
        compatible = "alps,ec11";
        a-gpios = <&pro_micro 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
        b-gpios = <&pro_micro 16 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
        steps = <80>;
        status = "disabled";
    };

    encoder_2: encoder_2 {
        compatible = "alps,ec11";
        a-gpios = <&pro_micro 8 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
        b-gpios = <&pro_micro 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
        steps = <80>;
        status = "disabled";
    };

    encoder_3: encoder_3 {
        compatible = "alps,ec11";
        a-gpios = <&pro_micro 3 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
        b-gpios = <&pro_micro 2 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
        steps = <80>;
        status = "disabled";
    };

    encoder_4: encoder_4 {
        compatible = "alps,ec11";
        a-gpios = <&pro_micro 1 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
        b-gpios = <&pro_micro 0 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
        steps = <80>;
        status = "disabled";
    };

    chosen {
        zephyr,display = &oled;
        zmk,kscan = &kscan0;
        zmk,matrix-transform = &default_transform;
    };
};

&pro_micro_i2c {
    status = "okay";

    oled: ssd1306@3c {
        compatible = "solomon,ssd1306fb";
        reg = <0x3c>;
        width = <128>;
        height = <32>;
        segment-offset = <0>;
        page-offset = <0>;
        display-offset = <0>;
        multiplex-ratio = <31>;
        segment-remap;
        com-invdir;
        com-sequential;
        inversion-on;
        prechargep = <0x22>;
    };
};