boards/iar/stm32f429ii_aca/stm32f429ii_aca.dts

/*
 * Copyright (c) 2017 Linaro Limited
 * Copyright (c) 2024 STMicroelectronics
 * Copyright (c) 2025 IAR Systems
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/f4/stm32f429Xi.dtsi>
#include <st/f4/stm32f429iitx-pinctrl.dtsi>
#include <zephyr/dt-bindings/input/input-event-codes.h>

/ {
	model = "IAR STM32F429II-ACA board";
	compatible = "iar,stm32f429ii-aca";

	chosen {
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,ccm = &ccm0;
	};

	sdram2: sdram@d0000000 {
		compatible = "zephyr,memory-region", "mmio-sram";
		device_type = "memory";
		reg = <0xd0000000 DT_SIZE_M(8)>;
		zephyr,memory-region = "SDRAM2";
	};

	leds {
		compatible = "gpio-leds";

		traffic_red_led: led_0 {
			gpios = <&gpioa 4 GPIO_ACTIVE_LOW>;
			label = "LED0";
		};

		traffic_yellow_led: led_1 {
			gpios = <&gpiod 4 GPIO_ACTIVE_LOW>;
			label = "LED1";
		};

		traffic_green_led: led_2 {
			gpios = <&gpiod 5 GPIO_ACTIVE_LOW>;
			label = "LED2";
		};

		car_led: led_3 {
			gpios = <&gpiod 6 GPIO_ACTIVE_LOW>;
			label = "LED3";
		};

		pedestrian_red_led: led_4 {
			gpios = <&gpiod 7 GPIO_ACTIVE_LOW>;
			label = "LED4";
		};

		pedestrian_green_led: led_5 {
			gpios = <&gpiod 11 GPIO_ACTIVE_LOW>;
			label = "LED5";
		};

		user_led_1: led_6 {
			gpios = <&gpiod 12 GPIO_ACTIVE_LOW>;
			label = "LED6";
		};

		user_led_2: led_7 {
			gpios = <&gpiod 13 GPIO_ACTIVE_LOW>;
			label = "LED7";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";

		button0: button_0 {
			label = "BUT0";
			gpios = <&gpioa 0 GPIO_ACTIVE_LOW>;
			zephyr,code = <INPUT_KEY_0>;
		};

		button1: button_1 {
			label = "BUT1";
			gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
			zephyr,code = <INPUT_KEY_1>;
		};

		button2: button_2 {
			label = "BUT2";
			gpios = <&gpiog 9 GPIO_ACTIVE_LOW>;
			zephyr,code = <INPUT_KEY_2>;
		};

		open_close_switch: switch_0 {
			label = "OPEN/CLOSE SWITCH";
			gpios = <&gpioi 11 GPIO_ACTIVE_HIGH>;
			zephyr,code = <INPUT_KEY_3>;
		};

		interior_light_switch_on: switch_1 {
			label = "ON";
			gpios = <&gpioi 10 GPIO_ACTIVE_LOW>;
			zephyr,code = <INPUT_KEY_4>;
		};

		interior_light_switch_auto: switch_2 {
			label = "AUTO";
			gpios = <&gpioi 9 GPIO_ACTIVE_LOW>;
			zephyr,code = <INPUT_KEY_5>;
		};

		interior_light_switch_off: switch_3 {
			label = "OFF";
			gpios = <&gpioi 8 GPIO_ACTIVE_LOW>;
			zephyr,code = <INPUT_KEY_6>;
		};

		cap_button0: cap_button_0 {
			label = "CAP_BUT0";
			gpios = <&gpioh 6 GPIO_ACTIVE_LOW>;
			zephyr,code = <INPUT_KEY_7>;
		};

		cap_button1: cap_button_1 {
			label = "CAP_BUT1";
			gpios = <&gpioh 7 GPIO_ACTIVE_LOW>;
			zephyr,code = <INPUT_KEY_8>;
		};
	};

	aliases {
		led0 = &traffic_red_led;
		led1 = &traffic_yellow_led;
		led2 = &traffic_green_led;
		led3 = &car_led;
		led4 = &pedestrian_red_led;
		led5 = &pedestrian_green_led;
		led6 = &user_led_1;
		led7 = &user_led_2;
		sw0 = &button0;
		sw1 = &button1;
		sw2 = &button2;
		sw3 = &open_close_switch;
		sw4 = &interior_light_switch_on;
		sw5 = &interior_light_switch_auto;
		sw6 = &interior_light_switch_off;
		sw7 = &cap_button0;
		sw8 = &cap_button1;
	};
};

&clk_lsi {
	status = "okay";
};

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

&pll {
	div-m = <8>;
	mul-n = <336>;
	div-p = <2>;
	div-q = <7>;
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(168)>;
	ahb-prescaler = <1>;
	apb1-prescaler = <4>;
	apb2-prescaler = <2>;
};

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

&i2c1 {
	pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb7>;
	pinctrl-names = "default";
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
};

&i2c2 {
	pinctrl-0 = <&i2c2_scl_ph4 &i2c2_sda_ph5>;
	pinctrl-names = "default";
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
};


&spi5 {
	pinctrl-0 = <&spi5_nss_pf6 &spi5_sck_pf7
		     &spi5_miso_pf8 &spi5_mosi_pf9>;
	pinctrl-names = "default";
	status = "okay";
	cs-gpios = <&gpioc 2 GPIO_ACTIVE_LOW>;
};

&fmc {
	status = "okay";
	pinctrl-0 = <&fmc_nbl0_pe0 &fmc_nbl1_pe1
		     &fmc_sdclk_pg8 &fmc_sdnwe_pc0 &fmc_sdcke0_pc3
		     &fmc_sdne0_pc2 &fmc_sdnras_pf11 &fmc_sdncas_pg15
		     &fmc_a0_pf0 &fmc_a1_pf1 &fmc_a2_pf2 &fmc_a3_pf3
		     &fmc_a4_pf4 &fmc_a5_pf5 &fmc_a6_pf12 &fmc_a7_pf13
		     &fmc_a8_pf14 &fmc_a9_pf15 &fmc_a10_pg0 &fmc_a11_pg1
		     &fmc_a12_pg2 &fmc_a13_pg3 &fmc_a14_pg4 &fmc_a15_pg5
		     &fmc_d0_pd14 &fmc_d1_pd15 &fmc_d2_pd0 &fmc_d3_pd1
		     &fmc_d4_pe7 &fmc_d5_pe8 &fmc_d6_pe9 &fmc_d7_pe10
		     &fmc_d8_pe11 &fmc_d9_pe12 &fmc_d10_pe13 &fmc_d11_pe14
		     &fmc_d12_pe15 &fmc_d13_pd8 &fmc_d14_pd9 &fmc_d15_pd10>;
	pinctrl-names = "default";

	sdram {
		status = "okay";

		power-up-delay = <100>;
		num-auto-refresh = <1>;
		mode-register = <0>;
		refresh-rate = <1386>;

		bank@1 {
			reg = <1>;

			st,sdram-control = <STM32_FMC_SDRAM_NC_8
					    STM32_FMC_SDRAM_NR_12
					    STM32_FMC_SDRAM_MWID_16
					    STM32_FMC_SDRAM_NB_4
					    STM32_FMC_SDRAM_CAS_2
					    STM32_FMC_SDRAM_SDCLK_PERIOD_3
					    STM32_FMC_SDRAM_RBURST_DISABLE
					    STM32_FMC_SDRAM_RPIPE_1>;
			st,sdram-timing = <2 7 4 7 2 2 2>;
		};
	};
};

&adc2 {
	compatible = "st,stm32f4-adc", "st,stm32-adc";
	pinctrl-0 = <&adc2_in6_pa6>;
	pinctrl-names = "default";
	st,adc-prescaler = <2>;
	status = "okay";

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

	channel@6 {
		reg = <6>;
		zephyr,gain = "ADC_GAIN_1";
		zephyr,reference = "ADC_REF_INTERNAL";
		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
		zephyr,resolution = <12>;
	};
};

&dac1 {
	pinctrl-0 = <&dac_out2_pa5>;
	pinctrl-names = "default";
	status = "okay";
};

zephyr_udc0: &usbotg_hs {
	pinctrl-0 = <&usb_otg_hs_dm_pb14 &usb_otg_hs_dp_pb15 &usb_otg_hs_id_pb12>;
	pinctrl-names = "default";
	status = "okay";
};