revxlp.overlay

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

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

&xiao_spi {
	status = "okay";
	cs-gpios = <&xiao_d 9 GPIO_ACTIVE_LOW>;
	shifter: 595@0 {
		compatible = "zmk,gpio-595";
		status = "okay";
		gpio-controller;
		spi-max-frequency = <200000>;
		reg = <0>;
		label = "4HC595";
		#gpio-cells = <2>;
		ngpios = <8>;
	};
};

/ {
    chosen {
        zmk,kscan = &kscan0;
        zmk,matrix_transform = &default_transform;
        zmk,backlight = &backlight;
    };

	backlight: leds {
		compatible = "gpio-leds";
		led_mosfet {
			gpios = <&xiao_d 7 GPIO_ACTIVE_HIGH>;
			label = "Backlight LED 0";
		};
	};

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

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

        col-gpios
            = <&shifter 7 GPIO_ACTIVE_HIGH>
            , <&shifter 6 GPIO_ACTIVE_HIGH>
            , <&shifter 5 GPIO_ACTIVE_HIGH>
            , <&shifter 4 GPIO_ACTIVE_HIGH>
            , <&shifter 3 GPIO_ACTIVE_HIGH>
            , <&shifter 2 GPIO_ACTIVE_HIGH>
            ;

        row-gpios
            = <&xiao_d 0 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&xiao_d 6 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&xiao_d 1 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&xiao_d 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&xiao_d 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&xiao_d 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&xiao_d 3 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            ;
    };
};