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

/dts-v1/;
#include "peach.dtsi"


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

	default_transform: keymap_transform_0 {
		compatible = "zmk,matrix-transform";
		columns = <16>;
		rows = <5>;
		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(0,15)
			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(1,12)  RC(1,13) RC(1,14) RC(1,15)
			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(2,11) RC(2,12)           RC(2,14) RC(2,15)
			RC(3,0)         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(3,13) RC(3,14) RC(3,15)
			RC(4,0) RC(4,1) RC(4,2)         RC(4,4)         RC(4,6)         RC(4,8)         RC(4,10) RC(4,11)           RC(4,13) RC(4,14) RC(4,15)
		>;
	};


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

		col-gpios
			= <&gpio1 10 GPIO_ACTIVE_HIGH>
			, <&gpio1 13 GPIO_ACTIVE_HIGH>
			, <&gpio1 15 GPIO_ACTIVE_HIGH>
			, <&gpio0 7  GPIO_ACTIVE_HIGH>
			, <&gpio0 3  GPIO_ACTIVE_HIGH>
			, <&gpio1 9  GPIO_ACTIVE_HIGH>
			, <&gpio1 4  GPIO_ACTIVE_HIGH>
			, <&gpio0 21 GPIO_ACTIVE_HIGH>
			, <&gpio0 22 GPIO_ACTIVE_HIGH>
			, <&gpio1 0  GPIO_ACTIVE_HIGH>
			, <&gpio1 3  GPIO_ACTIVE_HIGH>
			, <&gpio1 1  GPIO_ACTIVE_HIGH>
			, <&gpio0 19 GPIO_ACTIVE_HIGH>
			, <&gpio1 2  GPIO_ACTIVE_HIGH>
			, <&gpio0 9  GPIO_ACTIVE_HIGH>
			, <&gpio0 10 GPIO_ACTIVE_HIGH>
			;

		row-gpios
			= <&gpio0 30 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&gpio0 12 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&gpio0 23 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&gpio0 31 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&gpio1 11 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			;
	};

	leds {
		compatible = "gpio-leds";
		blue_led: led_0 {
			gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
			label = "Blue LED";
		};
	};

	ext-power {
		compatible = "zmk,ext-power-generic";
		label = "EXT_POWER";
		control-gpios = <&gpio0 29 GPIO_ACTIVE_LOW>;
	};

	vbatt {
		compatible = "zmk,battery-voltage-divider";
		label = "BATTERY";
		io-channels = <&adc 3>;
		output-ohms = <10000000>;
		full-ohms = <(10000000 + 4000000)>;
	};
};

&spi1 {
  mosi-pin = <4>;
  // Unused pins, needed for SPI definition, but not used by the ws2812 driver itself.
  sck-pin = <6>;
  miso-pin = <8>;

  led_strip: ws2812@0 {
    compatible = "worldsemi,ws2812-spi";
    label = "WS2812";

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

    /* WS2812 */
    chain-length = <20>; /* number of LEDs */
    spi-one-frame = <0x70>;
    spi-zero-frame = <0x40>;
  };
};