Linux preempt-rt

Check our new training course

Real-Time Linux with PREEMPT_RT

Check our new training course
with Creative Commons CC-BY-SA
lecture and lab materials

Bootlin logo

Elixir Cross Referencer

/*
 * Copyright (c) 2018 Yurii Hamann
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/f7/stm32f746Xg.dtsi>
#include <st/f7/stm32f746nghx-pinctrl.dtsi>
#include "arduino_r3_connector.dtsi"

/ {
	model = "STMicroelectronics STM32F746G DISCOVERY board";
	compatible = "st,stm32f746g-disco";

	chosen {
		zephyr,console = &usart1;
		zephyr,shell-uart = &usart1;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,dtcm = &dtcm;
		zephyr,flash-controller = &n25q128a1;
	};

	leds {
		compatible = "gpio-leds";
		green_led_1: led_1 {
			gpios = <&gpioi 1 GPIO_ACTIVE_HIGH>;
			label = "User LD1";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		user_button: button {
			label = "User";
			gpios = <&gpioi 11 GPIO_ACTIVE_HIGH>;
		};
	};

	aliases {
		led0 = &green_led_1;
		sw0 = &user_button;
		kscan0 = &touch_controller;
	};
};

&clk_hse {
	clock-frequency = <DT_FREQ_M(25)>;
	status = "okay";
};

&pll {
	div-m = <25>;
	mul-n = <432>;
	div-p = <2>;
	div-q = <9>;
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(216)>;
	ahb-prescaler = <1>;
	apb1-prescaler = <4>;
	apb2-prescaler = <2>;
};

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

&i2c3 {
	pinctrl-0 = <&i2c3_scl_ph7 &i2c3_sda_ph8>;
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;

	touch_controller: ft5336@38 {
		compatible = "focaltech,ft5336";
		reg = <0x38>;
		label = "FT5336";
		int-gpios = <&gpioi 13 0>;
	};
};

&spi2 {
	pinctrl-0 = <&spi2_sck_pi1 &spi2_miso_pb14 &spi2_mosi_pb15>;
	cs-gpios = <&gpioa 8 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
	status = "okay";
};

&usart1 {
	pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pb7>;
	current-speed = <115200>;
	status = "okay";
};

&usart6 {
	pinctrl-0 = <&usart6_tx_pc6 &usart6_rx_pc7>;
	current-speed = <115200>;
	status = "okay";
};

zephyr_udc0: &usbotg_fs {
	pinctrl-0 = <&usb_otg_fs_dm_pa11 &usb_otg_fs_dp_pa12>;
	status = "okay";
};

&timers3 {
	status = "okay";

	pwm3: pwm {
		status = "okay";
		st,prescaler = <10000>;
		pinctrl-0 = <&tim3_ch1_pb4>;
	};
};

&rtc {
	status = "okay";
};

&sdmmc1 {
	status = "okay";
	pinctrl-0 = <&sdmmc1_d0_pc8 &sdmmc1_d1_pc9
		     &sdmmc1_d2_pc10 &sdmmc1_d3_pc11
		     &sdmmc1_ck_pc12 &sdmmc1_cmd_pd2>;
	cd-gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
};

&mac {
	status = "okay";
	pinctrl-0 = <&eth_mdc_pc1
		     &eth_rxd0_pc4
		     &eth_rxd1_pc5
		     &eth_ref_clk_pa1
		     &eth_mdio_pa2
		     &eth_crs_dv_pa7
		     &eth_tx_en_pg11
		     &eth_txd0_pg13
		     &eth_txd1_pg14>;
};

&quadspi {
	pinctrl-0 = <&quadspi_clk_pb2 &quadspi_bk1_ncs_pb6
		     &quadspi_bk1_io0_pd11 &quadspi_bk1_io1_pd12
		     &quadspi_bk1_io2_pe2 &quadspi_bk1_io3_pd13>;
	status = "okay";

	n25q128a1: qspi-nor-flash@0 {
		compatible = "st,stm32-qspi-nor";
		label = "N25Q128A1";
		reg = <0>;
		qspi-max-frequency = <72000000>;
		size = <DT_SIZE_M(16*8)>;
		status = "okay";

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

			slot1_partition: partition@0 {
				label = "image-1";
				reg = <0x00000000 0x000a0000>;
				};

			storage_partition: partition@a0000 {
				label = "storage";
				reg = <0x000a0000 DT_SIZE_M(15)>;
			};
		};
	};
};