/*
 * Copyright (c) 2021 Nick Winans
 *
 * SPDX-License-Identifier: MIT
 */

/dts-v1/;
#include <nordic/nrf52840_qiaa.dtsi>

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

/ {
	model = "samnrf";
	compatible = "samnrf";

	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 = <15>;
            rows = <6>;
    // | MX1 | MX7  | MX13 | MX19 | MX25 | MX30 | MX35 | MX41 | MX46 | MX51 | MX57 | MX63 | MX69 | MX75 | MX80 |    | MX81 |
    // | MX2 | MX8  | MX14 | MX20 | MX26 | MX31 | MX36 | MX42 | MX47 | MX52 | MX58 | MX64 | MX70 |     MX76    |    | MX82 |
    // |  MX3  | MX9  | MX15 | MX21 | MX27 | MX32 | MX37 | MX43 | MX48 | MX53 | MX59 | MX65 | MX71 |   MX77    |    | MX79 |
    // |   MX4   | MX10 | MX16 | MX22 | MX28 | MX33 | MX38 | MX44 | MX49 | MX54 | MX60 | MX66 |      MX72      |    | MX83 |
    // |    MX5    | MX11 | MX17 | MX23 | MX29 | MX34 | MX39 | MX45 | MX50 | MX55 | MX61 | MX67 |    MX73    | MX73 |
    // |  MX6  |  MX12  |  MX18  |  MX24  |                 MX40                  |   MX56   |   MX62 | MX68 | MX74 | MX78 |
            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(0,12) RC(0,13) RC(0,14)      RC(1,14)
        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(1,10) RC(1,11) RC(1,12)      RC(1,13)          RC(2,14)
        RC(2,0)    RC(2,1) 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(2,12)   RC(2,13)          RC(3,13)
        RC(3,0)     RC(3,1) RC(3,2) RC(3,3) RC(3,4) RC(3,5) RC(3,6) RC(3,7) RC(3,8) RC(3,9) RC(3,10) RC(3,11)          RC(3,12)           RC(4,13)
        RC(4,0)       RC(4,1) RC(4,2) RC(4,3) RC(4,4) RC(4,5) RC(4,6) RC(4,7) RC(4,8) RC(4,9) RC(4,10)                RC(4,11)   RC(4,12) 
        RC(5,0)    RC(5,1)   RC(5,2)   RC(5,3)                     RC(5,6)                    RC(5,9)    RC(5,10)       RC(5,11) RC(5,12) RC(5,13)
            >;
	};

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

		diode-direction = "col2row";
		col-gpios
            = <&gpio0 7 GPIO_ACTIVE_HIGH>
            , <&gpio0 12 GPIO_ACTIVE_HIGH>
            , <&gpio0 4 GPIO_ACTIVE_HIGH>
            , <&gpio0 8 GPIO_ACTIVE_HIGH>
            , <&gpio1 11 GPIO_ACTIVE_HIGH>
            , <&gpio0 26 GPIO_ACTIVE_HIGH>
            , <&gpio0 6 GPIO_ACTIVE_HIGH>
            , <&gpio0 30 GPIO_ACTIVE_HIGH>
            , <&gpio0 5 GPIO_ACTIVE_HIGH>
            , <&gpio0 22 GPIO_ACTIVE_HIGH>
            , <&gpio1 2 GPIO_ACTIVE_HIGH>
            , <&gpio1 6 GPIO_ACTIVE_HIGH>
            , <&gpio0 20 GPIO_ACTIVE_HIGH>
            , <&gpio0 17 GPIO_ACTIVE_HIGH>
            , <&gpio0 15 GPIO_ACTIVE_HIGH>
            ;

        row-gpios
            = <&gpio0 3 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&gpio0 28 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&gpio1 13 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&gpio0 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&gpio0 29 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&gpio0 10 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            ;
	};

	vbatt: vbatt {
		compatible = "zmk,battery-voltage-divider";
		label = "BATTERY";
		io-channels = <&adc 7>;
		output-ohms = <2000000>;
		full-ohms = <(2000000 + 806000)>;
	};
};

&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";
		label = "CDC_ACM_0";
	};
};

&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 {
			label = "mbr";
			reg = <0x00000000 0x00001000>;
		};

		code_partition: partition@1000 {
			label = "code_partition";
			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 {
			label = "storage";
			reg = <0x000d4000 0x00020000>;
		};

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