cyber.scope/boards/MAPS/cyber_nrf52840/cyber_nrf52840.dts

/dts-v1/;
#include <nordic/nrf52840_qiaa.dtsi>
#include "cyber_nrf52840-pinctrl.dtsi"
/* For use with WS2812 LEDs. */
#include <zephyr/dt-bindings/led/led.h>

/ {
	model = "MAPS - Cyber NRF52840 Board";
	compatible = "MAPS,cyber-nrf52840";

	chosen {
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,code-partition = &slot0_partition;
		zephyr,console = &uart0;
	};

	zephyr,user {
		io-channels = <&adc 0>;
	};

	aliases {
		mcuboot-led                 = &mcuboot_led;
        left-button                 = &left_button;
		center-button               = &center_button;
		right-button                = &right_button;
		pwr-5v-enable               = &pwr_5v_enable;
		led-ring-pwr                = &led_ring_pwr;
		led-ring-level-shift-enable = &led_ring_level_shift_enable;
		led-ring-din                = &led_ring_din;
		battery-check-enable        = &battery_check_enable;
		imu-int                     = &imu_int;
		

        bubble-led                  = &bubble_led;
        pin-led                     = &pin_led;
		fiber-led                   = &fiber_led;
		
        led-ring                    = &led_ring;

		watchdog0                   = &wdt0;

		// spi-flash0 = &mx25r64;
		// bootloader-led0 = &bubble_led;
		// mcuboot-button0 = &center_button;
		// mcuboot-led0 = &bubble_led;
	};

	// GPIO enable assumes true is whatever the logic level is set to.  Set everything to active high here so we can control in code.
    gpios {
		compatible = "gpio-keys";
		mcuboot_led: mcuboot_led {
			gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>;
		};
		left_button: left_button {
			gpios = <&gpio0 13 GPIO_ACTIVE_HIGH>;
		};
		center_button: center_button {
			gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
		};
		right_button: right_button {
			gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
		};
		pwr_5v_enable: pwr_5v_enable {
			gpios = <&gpio0 12 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>;
		};
		led_ring_pwr: led_ring_pwr {
			gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
		};
		led_ring_level_shift_enable: led_ring_level_shift_enable {
			gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
		};
		led_ring_din: led_ring_din {
			gpios = <&gpio0 10 GPIO_ACTIVE_HIGH>;
		};
		battery_check_enable: battery_check_enable {
			gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
		};
		imu_int: imu_int {
			gpios = <&gpio0 11 (GPIO_PULL_DOWN | GPIO_ACTIVE_HIGH)>;
		};
		charger_status: charger_status {
			gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>;
		};
		
	};

    pwmleds: pwmleds {
        compatible = "pwm-leds";
        
        bubble_led: bubble_led {
            pwms = <&pwm0 0 PWM_USEC(4000) PWM_POLARITY_NORMAL>;
        };

        pin_led: pin_led {
            pwms = <&pwm0 1 PWM_USEC(4000) PWM_POLARITY_NORMAL>;
        };

		fiber_led: fiber_led {
            pwms = <&pwm0 2 PWM_USEC(4000) PWM_POLARITY_NORMAL>;
        };   
    };
};

&flash0 {
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		boot_partition: partition@0 {
			label = "mcuboot";
			reg = <0x00000000 DT_SIZE_K(48)>;
		};

		slot0_partition: partition@c000 {
			label = "image-0";
			reg = <0x0000c000 DT_SIZE_K(472)>;
		};

		slot1_partition: partition@82000 {
			label = "image-1";
			reg = <0x00082000 DT_SIZE_K(472)>;
		};

		storage_partition: partition@f8000 {
			label = "storage";
			reg = <0x000f8000 DT_SIZE_K(32)>;
		};
	};
};

&uicr {
	/* Pins P0.09 and P0.10 are defaulted to be used with NFC, need to configure for standard GPIO
	 * https://devzone.nordicsemi.com/f/nordic-q-a/35505/nrf52-enabling-gpio-on-nfc-pins
	 */
	nfct-pins-as-gpios;
};

&adc {
	status = "okay";
	#address-cells = <1>;
	#size-cells = <0>;

	channel@0 {
		reg = <0>;
		zephyr,gain = "ADC_GAIN_1_6";
		zephyr,reference = "ADC_REF_INTERNAL";
		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
		zephyr,input-positive = <NRF_SAADC_AIN0>; /* P0.02 */
		zephyr,resolution = <12>;
	};
};

&gpio0 {
	status = "okay";
};

&gpio1 {
	status = "okay";
};

&gpiote {
	status = "okay";
};

&i2c0 {
	compatible = "nordic,nrf-twi";
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
	pinctrl-0 = <&i2c0_default>;
	pinctrl-1 = <&i2c0_sleep>;
	pinctrl-names = "default", "sleep";
};

&i2c1 {
	compatible = "nordic,nrf-twim";
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
	pinctrl-0 = <&i2c1_default>;
	pinctrl-1 = <&i2c1_sleep>;
	pinctrl-names = "default", "sleep";
};

i2s_led: &i2s0 {
	status = "okay";
	pinctrl-0 = <&i2s0_default>;
	pinctrl-1 = <&i2s0_sleep>;
	pinctrl-names = "default", "sleep";

	led_ring: ws2812 {
		compatible = "worldsemi,ws2812-i2s";

		i2s-dev = < &i2s_led >;
		chain-length = <24>;
		color-mapping = <LED_COLOR_ID_GREEN
					LED_COLOR_ID_RED
					LED_COLOR_ID_BLUE>;
		// out-active-low;
		reset-delay = <120>;
	};
};

&spi2 {
	compatible = "nordic,nrf-spim";
	status = "okay";
	pinctrl-0 = <&spi2_default>;
	pinctrl-1 = <&spi2_sleep>;
	pinctrl-names = "default", "sleep";
	cs-gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
};

&uart0 {
	status = "okay";
	pinctrl-0 = <&uart0_default>;
	pinctrl-1 = <&uart0_sleep>;
	pinctrl-names = "default", "sleep";
	current-speed = <115200>;
};

&pwm0 {
	status = "okay";
	pinctrl-0 = <&pwm0_default>;
	pinctrl-1 = <&pwm0_sleep>;
	pinctrl-names = "default", "sleep";
};

&qspi {
	status = "disabled";
	pinctrl-0 = <&qspi_default>;
	pinctrl-1 = <&qspi_sleep>;
	pinctrl-names = "default", "sleep";
};

&rtc2 {
	status = "okay";
	clock-frequency = <32768>;
	prescaler = <4095>; 			/* +1 for prescaler */
};

&wdt0 {
	status = "okay";
};