/*
 * Copyright (c) 2021 Electrolance Solutions
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/h7/stm32h7a3Xi.dtsi>
#include <st/h7/stm32h7a3z(g-i)txq-pinctrl.dtsi>
#include "arduino_r3_connector.dtsi"

/ {
	model = "STMicroelectronics STM32H7A3ZI-Q-NUCLEO board";
	compatible = "st,stm32h7a3zi-q-nucleo";

	chosen {
		zephyr,console = &usart3;
		zephyr,shell-uart = &usart3;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,dtcm = &dtcm;
		zephyr,itcm = &itcm;
	};

	leds {
		compatible = "gpio-leds";
		green_led: led_0 {
			gpios = <&gpiob 0 GPIO_ACTIVE_HIGH>;
			label = "User LD1";
		};
		yellow_led: led_1 {
			gpios = <&gpioe 1 GPIO_ACTIVE_HIGH>;
			label = "User LD2";
		};
	};

	pwmleds {
		compatible = "pwm-leds";

		red_pwm_led: red_pwm_led {
			pwms = <&pwm12 1 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		user_button: button_0 {
			label = "User";
			gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
		};
	};

	aliases {
		led0 = &green_led;
		led1 = &yellow_led;
		pwm-led0 = &red_pwm_led;
		sw0 = &user_button;
	};
};

&clk_hse {
	hse-bypass;
	clock-frequency = <DT_FREQ_M(8)>; /* STLink 8MHz clock */
	status = "okay";
};

&pll {
	div-m = <1>;
	mul-n = <35>;
	div-p = <1>;
	div-q = <5>;
	div-r = <2>;
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(280)>;
	d1cpre = <1>;
	hpre = <1>;
	d1ppre = <2>;
	d2ppre1 = <2>;
	d2ppre2 = <2>;
	d3ppre = <2>;
};

&usart3 {
	pinctrl-0 = <&usart3_tx_pd8 &usart3_rx_pd9>;
	pinctrl-names = "default";
	current-speed = <115200>;
	status = "okay";
};

&backup_sram {
	status = "okay";
};

&timers12 {
	st,prescaler = <10000>;
	status = "okay";

	pwm12: pwm {
		status = "okay";
		pinctrl-names = "default";
		pinctrl-0 = <&tim12_ch1_pb14>;
	};
};

&adc1 {
	pinctrl-0 = <&adc1_inp15_pa3>;
	pinctrl-names = "default";
	status = "okay";
};

zephyr_udc0: &usbotg_hs {
	pinctrl-0 = <&usb_otg_hs_dm_pa11 &usb_otg_hs_dp_pa12>;
	pinctrl-names = "default";
	status = "okay";
};