boards/arm/nucleo_h745zi_q/nucleo_h745zi_q_m7.dts

/*
 * Copyright (c) 2020 Alexander Kozhinov <AlexanderKozhinov@yandex.com>
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/h7/stm32h745Xi_m7.dtsi>
#include <st/h7/stm32h745zitx-pinctrl.dtsi>
#include "nucleo_h745zi_q.dtsi"

/*
 * WARNING:
 * Possible pin conflicts: The pins PA2 and PB13 may conflict on selection of
 * ETH_STM32_HAL, since they are used in ST Zio or ST morpho connectors. To
 * avoid conflicting states the jumpers JP6 and JP7 must be in ON state.
 */

/ {
	model = "STMicroelectronics STM32H745ZI-Q-NUCLEO board";
	compatible = "st,stm32h745zi-q-nucleo";

	/* HW resources belonging to CM7 */
	chosen {
		zephyr,console = &usart3;
		zephyr,shell-uart = &usart3;
		zephyr,dtcm = &dtcm;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
	};

	pwmleds {
		compatible = "pwm-leds";

		red_pwm_led: red_pwm_led {
			pwms = <&pwm12 1 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
			label = "User LD3 - PWM12";
		};
	};

	aliases {
		led0 = &green_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 = <120>;
	div-p = <2>;
	div-q = <2>;
	div-r = <2>;
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(480)>;
};

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

&rtc {
	status = "okay";
};

&i2c1 {
	pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
	pinctrl-names = "default";
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
};

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

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

&mac {
	status = "okay";
	pinctrl-0 = <&eth_ref_clk_pa1
		     &eth_mdio_pa2
		     &eth_crs_dv_pa7
		     &eth_mdc_pc1
		     &eth_rxd0_pc4
		     &eth_rxd1_pc5
		     &eth_tx_en_pg11
		     &eth_txd0_pg13
		     &eth_txd1_pb13>;
	pinctrl-names = "default";
};

&rng {
	status = "okay";
};