/*
 * Copyright (c) 2021 The ZMK Contributors
 *
 * SPDX-License-Identifier: MIT
 */

/dts-v1/;
#include <nordic/nrf52840_qiaa.dtsi>
#include <dt-bindings/zmk/matrix_transform.h>

/ {
    model = "S40NC";
    compatible = "s40nc";

    chosen {
        zephyr,code-partition = &code_partition;
        zephyr,sram = &sram0;
        zephyr,flash = &flash0;
        zephyr,console = &cdc_acm_uart;
        zmk,battery = &vbatt;
        zmk,kscan = &kscan0;
        zmk,matrix-transform = &default_transform;
    };

    default_transform: keymap_transform_0 {
        compatible = "zmk,matrix-transform";
        columns = <12>;
        rows = <4>;
        map = <
            RC(0,0) RC(0,1) RC(0,2) RC(0,3) RC(0,4) RC(0,5) RC(0,6) RC(0,7) RC(0,8) RC(0,9) RC(0,10) RC(0,11)
            RC(1,0)  RC(1,1) RC(1,2) RC(1,3) RC(1,4) RC(1,5) RC(1,6) RC(1,7) RC(1,8) RC(1,9)         RC(1,11)
            RC(2,0)      RC(2,2)   RC(2,3) RC(2,4) RC(2,5) RC(2,6) RC(2,7) RC(2,8) RC(2,9) RC(2,10) RC(2,11)
            RC(3,0)  RC(3,1) RC(3,2)       RC(3,4)         RC(3,6)         RC(3,8) RC(3,9) RC(3,10) RC(3,11)
        >;
    };


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

        diode-direction = "col2row";
        row-gpios
            = <&gpio1 4  (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&gpio1 6  (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&gpio0 9  (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&gpio0 10 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            ;
        col-gpios
            = <&gpio1 2  GPIO_ACTIVE_HIGH>
            , <&gpio1 1  GPIO_ACTIVE_HIGH>
            , <&gpio1 3  GPIO_ACTIVE_HIGH>
            , <&gpio1 0  GPIO_ACTIVE_HIGH>
            , <&gpio0 22 GPIO_ACTIVE_HIGH>
            , <&gpio1 15 GPIO_ACTIVE_HIGH>
            , <&gpio0 3  GPIO_ACTIVE_HIGH>
            , <&gpio0 2  GPIO_ACTIVE_HIGH>
            , <&gpio0 28 GPIO_ACTIVE_HIGH>
            , <&gpio0 29 GPIO_ACTIVE_HIGH>
            , <&gpio0 30 GPIO_ACTIVE_HIGH>
            , <&gpio0 31 GPIO_ACTIVE_HIGH>
            ;
    };

    leds {
        compatible = "gpio-leds";
        blue_led: led_0 {
            gpios = <&gpio0 21 GPIO_ACTIVE_HIGH>;
        };
    };

    vbatt: vbatt {
        compatible = "zmk,battery-voltage-divider";
        io-channels = <&adc 2>;
        output-ohms = <2000000>;
        full-ohms = <(2000000 + 820000)>;
    };
};

&adc {
    status = "okay";
};

&gpiote {
    status = "okay";
};

&gpio0 {
    status = "okay";
};

&gpio1 {
    status = "okay";
};

&usbd {
    status = "okay";
    cdc_acm_uart: cdc_acm_uart {
        compatible = "zephyr,cdc-acm-uart";
    };
};

&flash0 {
    /*
     * For more information, see:
     * http://docs.zephyrproject.org/latest/devices/dts/flash_partitions.html
     */
    partitions {
        compatible = "fixed-partitions";
        #address-cells = <1>;
        #size-cells = <1>;

        sd_partition: partition@0 {
            reg = <0x00000000 0x00001000>;
        };

        code_partition: partition@1000 {
            reg = <0x00001000 0x000d3000>;
        };

        /*
         * The flash starting at 0x000d4000 and ending at
         * 0x000f3fff is reserved for use by the application.
         */

        /*
         * Storage partition will be used by FCB/LittleFS/NVS
         * if enabled.
         */
        storage_partition: partition@d4000 {
            reg = <0x000d4000 0x00020000>;
        };

        boot_partition: partition@f4000 {
            reg = <0x000f4000 0x0000c000>;
        };
    };
};