irrigation_system/software/boards/iten/valve_node/valve_node.dts

/*
 * Copyright (c) 2017 Linaro Limited
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/f1/stm32f1.dtsi>
#include <st/f1/stm32f103Xb.dtsi>
#include <st/f1/stm32f103r(8-b)tx-pinctrl.dtsi>
#include <zephyr/dt-bindings/input/input-event-codes.h>

/ {
	model = "Iten engineering Valve Node";
	compatible = "st,stm32f103rb";

	can_loopback0: can_loopback0 {
		status = "disabled";
		compatible = "zephyr,can-loopback";
	};

	chosen {
		zephyr,console = &usart1;
		zephyr,shell-uart = &usart1;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,canbus = &can1;
	};

	leds: leds {
		compatible = "gpio-leds";

		green_led_2: led_2 {
			gpios = <&gpiob 2 GPIO_ACTIVE_HIGH>;
			label = "User LD2";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";

		user_button: button {
			label = "User";
			gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
			zephyr,code = <INPUT_KEY_0>;
		};

		endstopopen: endstop_open {
			gpios = <&gpiob 4 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
			label = "Endstop Open";
		};

		endstopclose: endstop_closed {
			gpios = <&gpiob 5 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
			label = "Endstop Close";
		};

		statusopen: status_open {
			gpios = <&gpiob 14 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
			label = "Status Open";
		};

		statusclose: status_close {
			gpios = <&gpioa 8 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
			label = "Status Close";
		};
	};

	aliases {
		led0 = &green_led_2;
		sw0 = &user_button;
		watchdog0 = &iwdg;
		die-temp0 = &die_temp;
		adc-motor-current = &motor_current_channel;
		adc-vref = &vref_channel;
	};

};

&clk_lsi {
	status = "okay";
};

&clk_hse {
	clock-frequency = <DT_FREQ_M(8)>;
	status = "okay";
};

&pll {
	mul = <9>;
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(72)>;
	ahb-prescaler = <1>;
	apb1-prescaler = <2>;
	apb2-prescaler = <1>;
	adc-prescaler = <6>;
};

&usart1 {
	pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
	pinctrl-names = "default";
	status = "okay";
	current-speed = <115200>;
};

&usart2 {
	pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
	current-speed = <9600>;
	pinctrl-names = "default";
	status = "okay";
	modbus0 {
		compatible = "zephyr,modbus-serial";
		status = "okay";
	};
};

&usart3 {
	pinctrl-0 = <&usart3_tx_pb10 &usart3_rx_pb11>;
	current-speed = <115200>;
	pinctrl-names = "default";
};

&i2c1 {
	pinctrl-0 = <&i2c1_scl_remap1_pb8 &i2c1_sda_remap1_pb9>;
	pinctrl-names = "default";
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
};

&iwdg {
	status = "okay";
};

&rtc {
	clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
		   <&rcc STM32_SRC_LSI RTC_SEL(2)>;
	status = "okay";
};

&adc1 {
	pinctrl-0 = <&adc_pb1_pins>;
	pinctrl-names = "default";
	status = "okay";

	#address-cells = <1>;
	#size-cells = <0>;

	motor_current_channel: channel@9 {
		reg = <0x9>;
		zephyr,gain = "ADC_GAIN_1";
		zephyr,reference = "ADC_REF_VDD_1";
		zephyr,acquisition-time = <49159>;
		zephyr,resolution = <12>;
	};

	vref_channel: channel@11 { /* 17 dezimal = 11 hex */
		reg = <0x11>;
		zephyr,gain = "ADC_GAIN_1";
		zephyr,reference = "ADC_REF_VDD_1";
		zephyr,acquisition-time = <49159>;
		zephyr,resolution = <12>;
	};
};

&die_temp {
	status = "okay";
};

&dma1 {
	status = "okay";
};

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

		storage_partition: partition@1f800 {
			label = "storage";
			reg = <0x0001f800 DT_SIZE_K(2)>;
		};
	};
};

&can1 {
	pinctrl-0 = <&can_rx_pa11 &can_tx_pa12>;
	pinctrl-names = "default";
	status= "okay";
	bitrate = <125000>;
};

&exti {
	status = "okay";
};

&pinctrl {
	adc_pb1_pins: adc_pb1_pins {
		pinmux = <STM32F1_PINMUX('B', 1, ANALOG, NO_REMAP)>;
	};
};