/dts-v1/;
#include <nordic/nrf52840_qiaa.dtsi>
#include "bparasite_nrf52840-pinctrl.dtsi"

/ {
	model = "A soil moisture sensor based on Nordic's nRF52840";
	compatible = "rbaron,bparasite_nrf52840";

	chosen {
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,code-partition = &slot0_partition;
		zephyr,ieee802154 = &ieee802154;
	};

	zephyr,user {
		io-channels = <&adc 0>, <&adc 2>;
	};

	leds {
		compatible = "gpio-leds";
		led0: led_0 {
			// P0.28.
			gpios = <&gpio0 28 GPIO_ACTIVE_HIGH>;
		};
	};

	buttons {
		compatible = "gpio-keys";
		button0: button_0 {
			// P0.30.
			gpios = <&gpio0 30 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
			label = "Push button SW1";
		};
	};

	soil_pwm: soil_pwm {
		compatible = "pwm-fixed";
		pwms = <&pwm0 0 PWM_USEC(2) PWM_POLARITY_NORMAL>;
		pulse = <PWM_USEC(1)>;
	};

	soil_calibration_coeffs: soil_calibration_coeffs {
		compatible = "soil-calibration-coeffs";
		dry = <306000 101000 (-11700)>;
		wet = <19000 (-4980) 3420>;
	};

	ctrl {
		compatible = "gpio-keys";
		fast_disch: fast_disch {
			// P1.10.
			gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
			label = "Fast discharge circuitry";
		};
	};
};

&uicr {
	gpio-as-nreset;
};

&gpiote {
	status = "okay";
};

&gpio0 {
	status = "okay";
	// For low-power EDGE interrupts.
	// github.com/zephyrproject-rtos/zephyr/issues/28499
	sense-edge-mask = <0xffffffff>;
};

&gpio1 {
	status = "okay";
};

&ieee802154 {
	status = "okay";
};

&uart0 {
	compatible = "nordic,nrf-uart";
	status = "disabled";
	current-speed = <115200>;
	pinctrl-0 = <&uart0_default>;
	pinctrl-1 = <&uart0_sleep>;
	pinctrl-names = "default", "sleep";
};

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

	shtc3: shtc3@70 {
		compatible = "i2c-device";
		reg = <0x70>;
		label = "SHTC3";
	};
};

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

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

	// Soil.
	channel@0 {
		reg = <0>;
		zephyr,gain = "ADC_GAIN_1_6";
		zephyr,reference = "ADC_REF_VDD_1_4";
		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
		// P0.03.
		zephyr,input-positive = <NRF_SAADC_AIN1>;
		zephyr,resolution = <10>;

	};

	// Battery.
	channel@2 {
		reg = <2>;
		zephyr,gain = "ADC_GAIN_1_6";
		zephyr,reference = "ADC_REF_INTERNAL";
		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
		zephyr,input-positive = <NRF_SAADC_VDD>;
		zephyr,resolution = <10>;
	};
};


&flash0 {

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

		boot_partition: partition@0 {
			label = "mcuboot";
			reg = <0x00000000 0x0000C000>;
		};
		slot0_partition: partition@c000 {
			label = "image-0";
			reg = <0x0000C000 0x00067000>;
		};
		slot1_partition: partition@73000 {
			label = "image-1";
			reg = <0x00073000 0x00067000>;
		};
		scratch_partition: partition@da000 {
			label = "image-scratch";
			reg = <0x000da000 0x0001e000>;
		};

		/*
		 * The flash starting at 0x000f8000 and ending at
		 * 0x000fffff is reserved for use by the application.
		 */

		/*
		 * Storage partition will be used by FCB/LittleFS/NVS
		 * if enabled.
		 */
		storage_partition: partition@f8000 {
			label = "storage";
			reg = <0x000f8000 0x00008000>;
		};
	};
};