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

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

&arduino_i2c {
    status = "okay";
};

nice_view_spi: &arduino_spi {
    status = "okay";

    cs-gpios = <&arduino_header 16 GPIO_ACTIVE_HIGH>;

    // Needed so the nice_view shield will enhance the existing node which falls *first*
    // on the bus, properly picking up the first `cs-gpios` specifier.
    ls0xx@0 {
        reg = <0>;

        power-domain = <&core_power_domain>;
        zephyr,pm-device-runtime-auto;
    };

    led_strip: ws2812@0 {
        compatible = "worldsemi,ws2812-spi";

        power-domain = <&rgb_power>;
        zephyr,pm-device-runtime-auto;

        /* SPI */
        reg = <0>; /* ignored, but necessary for SPI bindings */
        spi-max-frequency = <4000000>;

        /* WS2812 */
        chain-length = <7>; /* 4 underglow + 3 per-key LEDs */
        spi-one-frame = <0x70>;
        spi-zero-frame = <0x40>;

        color-mapping = <LED_COLOR_ID_GREEN LED_COLOR_ID_RED LED_COLOR_ID_BLUE>;

    };
};

/ {
    chosen {
        zmk,backlight = &backlight;
        zmk,underglow = &led_strip;
        zephyr,display = &oled;
        zmk,display-default-power-domain = &core_power_domain;
    };

    core_power_domain: core_power_domain {
        // The "power-domain" compatible is needed for any PDs used for that have dynamic deps,
        // e.g. for displays or RGB not assigned to the PD in the devicetree statically.
        compatible = "power-domain-gpio", "power-domain";
        startup-delay-us = <2000>;
        off-on-delay-us = <2000>;
        enable-gpios = <&arduino_header 0 GPIO_ACTIVE_LOW>;
        zephyr,pm-device-runtime-auto;
    };

    rgb_power: rgb_power {
        compatible = "power-domain-gpio";
        startup-delay-us = <200>;
        off-on-delay-us = <2000>;
        enable-gpios = <&arduino_header 1 GPIO_ACTIVE_LOW>;
        power-domain = <&core_power_domain>;
        zephyr,pm-device-runtime-auto;
    };

    backlight: gpioleds {
        compatible = "gpio-leds";
        gpio_led_0 {
            gpios = <&arduino_header 12 GPIO_ACTIVE_HIGH>;
        };
    };

    matrix_transform: matrix_transform {
        compatible = "zmk,matrix-transform";
        rows = <3>;
        columns = <4>;

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

    direct_matrix_transform: direct_matrix_transform {
        compatible = "zmk,matrix-transform";
        rows = <3>;
        columns = <4>;

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

    kscan_matrix: kscan_matrix {
        compatible = "zmk,kscan-gpio-matrix";
        wakeup-source;

        diode-direction = "col2row";

        col-gpios
        = <&arduino_header 10 GPIO_ACTIVE_HIGH>
        , <&arduino_header 9  GPIO_ACTIVE_HIGH>
        ;

        row-gpios
        = <&arduino_header 13 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
        , <&arduino_header 11 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
        ;

    };

    kscan_direct: kscan_direct {
        compatible = "zmk,kscan-gpio-direct";
        wakeup-source;

        input-gpios
        = <&arduino_header 10 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
        , <&arduino_header 9  (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
        , <&arduino_header 13 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
        , <&arduino_header 11 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>
        ;

    };

    kscan_sp3t_toggle: kscan_sp3t_toggle {
        compatible = "zmk,kscan-gpio-direct";
        toggle-mode;

        input-gpios
        = <&arduino_header 4 GPIO_ACTIVE_LOW>
        , <&arduino_header 3 GPIO_ACTIVE_LOW>
        , <&arduino_header 2 GPIO_ACTIVE_LOW>
        ;
    };

    encoder: encoder {
        steps = <80>;
        compatible = "alps,ec11";
        a-gpios = <&arduino_header 15 GPIO_PULL_UP>;
        b-gpios = <&arduino_header 14 GPIO_PULL_UP>;
    };
};