zmk/app/boards/arm/nice60/nice60.dts

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

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

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

/ {
	model = "nice!60";
	compatible = "nice,60";

	chosen {
		zephyr,code-partition = &code_partition;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,console = &cdc_acm_uart;
		zmk,kscan = &kscan0;
		zmk,matrix_transform = &default_transform;
		zmk,underglow = &led_strip;
	};

	default_transform: keymap_transform_0 {
		compatible = "zmk,matrix-transform";
		columns = <14>;
		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(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(2,0)     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(2,13)
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(3,13)
RC(4,0)   RC(4,1)   RC(4,2)                      RC(4,5)                       RC(4,9)   RC(4,10)   RC(4,11)   RC(4,13)
		>;
	};

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

		diode-direction = "col2row";
		row-gpios
			= <&gpio1 14 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&gpio1 13 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&gpio1 12 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&gpio1 11 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			, <&gpio1 10 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
			;
		col-gpios
			= <&gpio1 15 GPIO_ACTIVE_HIGH>
			, <&gpio0 29 GPIO_ACTIVE_HIGH>
			, <&gpio0 31 GPIO_ACTIVE_HIGH>
			, <&gpio0 30 GPIO_ACTIVE_HIGH>
			, <&gpio0 28 GPIO_ACTIVE_HIGH>
			, <&gpio0 2  GPIO_ACTIVE_HIGH>
			, <&gpio0 3  GPIO_ACTIVE_HIGH>
			, <&gpio1 3  GPIO_ACTIVE_HIGH>
			, <&gpio1 7  GPIO_ACTIVE_HIGH>
			, <&gpio1 4  GPIO_ACTIVE_HIGH>
			, <&gpio1 6  GPIO_ACTIVE_HIGH>
			, <&gpio1 5  GPIO_ACTIVE_HIGH>
			, <&gpio1 1  GPIO_ACTIVE_HIGH>
			, <&gpio1 2  GPIO_ACTIVE_HIGH>
			;
	};

	leds {
		compatible = "gpio-leds";
		blue_led: led_0 {
			gpios = <&gpio0 26 GPIO_ACTIVE_HIGH>;
			label = "Blue LED";
		};
	};

	ext-power {
		compatible = "zmk,ext-power-generic";
		label = "EXT_POWER";
		control-gpios = <&gpio0 5 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";
};

&spi0 {
	compatible = "nordic,nrf-spim";
	/* Cannot be used together with i2c0. */
	status = "okay";
	sck-pin = <12>;
	mosi-pin = <27>;
	miso-pin = <13>;

	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 = <12>; /* LED strip length */
		spi-one-frame = <0x70>;
		spi-zero-frame = <0x40>;
		color-mapping = <LED_COLOR_ID_GREEN LED_COLOR_ID_RED LED_COLOR_ID_BLUE>;
	};
};

&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>;
		};
	};
};