/*
 * Copyright (c) 2020 Pete Johanson, TJ Campie
 *
 * SPDX-License-Identifier: MIT
 */

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

/ {
	model = "Ahokore";
	compatible = "ahokore";

  chosen {
          zephyr,code-partition = &code_partition;
      		zephyr,sram = &sram0;
      		zephyr,flash = &flash0;

          zmk,kscan = &kscan0;
          zmk,matrix_transform = &default_transform;
      };

      default_transform: keymap_transform_0 {
          compatible = "zmk,matrix-transform";
          columns = <10>;
          rows = <4>;
          map = <

      // | SW1  | SW2  | SW3  | SW4  | SW5  |         | SW6  | SW7  | SW8  | SW9  | SW10 |
      // | SW11 | SW12 | SW13 | SW14 | SW15 |         | SW16 | SW17 | SW18 | SW19 | SW20 |
      // | SW21 | SW22 | SW23 | SW24 | SW25 |         | SW26 | SW27 | SW28 | SW29 | SW30 |
      //               | SW31 | SW32 | SW33 |         | SW34 | SW35 | SW36 |
      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(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(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(3,2) RC(3,3) RC(3,4) RC(3,5) RC(3,6) RC(3,7)
          >;
      };

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

        col-gpios
            = <&gpio0 10 GPIO_ACTIVE_HIGH>
            , <&gpio0 9 GPIO_ACTIVE_HIGH>
            , <&gpio1 6 GPIO_ACTIVE_HIGH>
            , <&gpio1 4 GPIO_ACTIVE_HIGH>
            , <&gpio1 2 GPIO_ACTIVE_HIGH>
            , <&gpio0 2 GPIO_ACTIVE_HIGH>
            , <&gpio0 3 GPIO_ACTIVE_HIGH>
            , <&gpio1 13 GPIO_ACTIVE_HIGH>
            , <&gpio1 10 GPIO_ACTIVE_HIGH>
            , <&gpio1 11 GPIO_ACTIVE_HIGH>
            ;

        row-gpios
            = <&gpio0 22 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&gpio1 00 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&gpio1 03 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&gpio1 01 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            ;
    };

};

	ext-power {
		compatible = "zmk,ext-power-generic";
		label = "EXT_POWER";
		control-gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
	};

	vbatt {
		compatible = "zmk,battery-voltage-divider";
		label = "BATTERY";
		io-channels = <&adc 2>;
		output-ohms = <2000000>;
		full-ohms = <(2000000 + 806000)>;
	};
};

&adc {
	status = "okay";
};

&gpiote {
	status = "okay";
};

&gpio0 {
	status = "okay";
};

&gpio1 {
	status = "okay";
};

&i2c0 {
	status = "okay";
	compatible = "nordic,nrf-twi";
	sda-pin = <21>;
	scl-pin = <19>;

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

};

&uart0 {
 	compatible = "nordic,nrf-uarte";
 	status = "okay";
 	current-speed = <115200>;
 	tx-pin = <16>;
 	rx-pin = <14>;
 	rts-pin = <13>;
	cts-pin = <15>;
 };

&usbd {
	status = "okay";
};

&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 = "softdevice";
			reg = <0x00000000 0x00026000>;
		};
		code_partition: partition@26000 {
			label = "code_partition";
			reg = <0x00026000 0x000c6000>;
		};

		/*
		 * The flash starting at 0x000ec000 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@ec000 {
			label = "storage";
			reg = <0x000ec000 0x00008000>;
		};

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