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

/dts-v1/;
#include <nordic/nrf52840_qiaa.dtsi>
#include <dt-bindings/led/led.h>
#include "glove80.dtsi"

/ {
	model = "glove80_lh";
	compatible = "glove80_lh";

	chosen {
		zmk,underglow = &led_strip;
        zmk,backlight = &back_led_backlight;
		zmk,battery   = &vbatt;
		zmk,underglow-indicators = &underglow_indicators;
	};

	back_led_backlight: pwmleds {
		compatible = "pwm-leds";
		label = "BACK LED";
		pwm_led_0 {
			pwms = <&pwm0 47>; 
			label = "Back LED configured as backlight";
		};
	};

	ext-power {
		compatible = "zmk,ext-power-generic";
		label = "EXT_POWER";
		control-gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>; /* WS2812_CE */
		init-delay-ms = <100>;
	};

	vbatt: vbatt-divider {
		compatible = "zmk,battery-voltage-divider";
		label = "BATTERY";
		io-channels = <&adc 5>;
		output-ohms = <820000>; 
		full-ohms = <(1500000 + 820000)>;
	};

	vbatt-vddh {
		compatible = "zmk,battery-nrf-vddh";
		label = "BATTERY-VDDH";
	};

/*
  MoErgo 40 LEDs

  34 28 22 16 10
  35 29 23 17 11 6
  36 30 24 18 12 7
  37 31 25 19 13 8
  38 32 26 20 14 9
  39 33 27 21 15
                0 1 2
                3 4 5
*/

	underglow_indicators: underglow-indicators {
		compatible  = "zmk,underglow-indicators";
		layer-state = <35 29 23 17 11 6>;
		bat-lhs     = <36 30 24 18 12 7>;
		bat-rhs     = <37 31 25 19 13 8>;
		capslock    = <22>;
		numlock     = <16>;
		scrolllock  = <10>;
		ble-state   = <3 4 0 1>;
		usb-state   = <5>;
		output-fallback = <15>;
	};
};

&spi1 {
	compatible = "nordic,nrf-spim";
	/* Cannot be used together with i2c0. */
	status = "okay";
	mosi-pin = <27>; /* WS2812_VEXT_DATA */
	// Unused pins, needed for SPI definition, but not used by the ws2812 driver itself.
	sck-pin = <13>; /* Must select a not connected pin */
	miso-pin = <14>; /* Must select a not connected pin */

	led_strip: ws2812@0 {
		compatible = "worldsemi,ws2812-spi";
		label = "WS2812C-2020";

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

		/* WS2812 */
		chain-length = <40>; /* 40 keys have underglow at the moment */
		spi-one-frame = <0x70>;
		spi-zero-frame = <0x40>;

		color-mapping = <LED_COLOR_ID_GREEN LED_COLOR_ID_RED LED_COLOR_ID_BLUE>;
	};
};

&pwm0 {
	status = "okay";
	ch0-pin = <47>; 
};


/* [SC] Pretty sure this is not required
&uart0 {
	compatible = "nordic,nrf-uarte";
	tx-pin = <6>;
	rx-pin = <8>;
};
*/

&kscan0 {
	row-gpios
		= <&gpio0 26 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // LH ROW1
		, <&gpio0 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // LH ROW2
		, <&gpio0 6 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // LH ROW3
		, <&gpio0 8 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // LH ROW4
		, <&gpio0 7 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // LH ROW5
		, <&gpio1 9 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)> // LH ROW6
		;
	col-gpios
		= <&gpio1 8 GPIO_ACTIVE_HIGH> // LH COL6
		, <&gpio1 4 GPIO_ACTIVE_HIGH> // LH COL5
		, <&gpio1 6 GPIO_ACTIVE_HIGH> // LH COL4
		, <&gpio1 7 GPIO_ACTIVE_HIGH> // LH COL3
		, <&gpio1 5 GPIO_ACTIVE_HIGH> // LH COL2
		, <&gpio1 3 GPIO_ACTIVE_HIGH> // LH COL1
		, <&gpio1 1 GPIO_ACTIVE_HIGH> // LH Thumb
		;
};