boards/st/stm32u5g9j_dk2/stm32u5g9j_dk2.dts

/*
 * Copyright (c) 2025 STMicroelectronics
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/u5/stm32u5g9Xj.dtsi>
#include <st/u5/stm32u5g9zjtxq-pinctrl.dtsi>
#include <zephyr/dt-bindings/display/panel.h>
#include <zephyr/dt-bindings/input/input-event-codes.h>

/ {
	model = "STMicroelectronics STM32U5G9J DISCOVERY-2 KIT board";
	compatible = "st,stm32u5g9j-dk2";

	chosen {
		zephyr,console = &usart1;
		zephyr,shell-uart = &usart1;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,code-partition = &slot0_partition;
		zephyr,display = &ltdc;
		zephyr,touch = &gt911;
	};

	leds {
		compatible = "gpio-leds";

		green_led_0: led_3 {
			gpios = <&gpiod 4 GPIO_ACTIVE_HIGH>;
			label = "User LD3";
		};

		red_led_0: led_2 {
			gpios = <&gpiod 2 GPIO_ACTIVE_HIGH>;
			label = "User LD2";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";

		user_button: button_0 {
			label = "User";
			gpios = <&gpioc 13 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>;
			zephyr,code = <INPUT_KEY_0>;
		};
	};

	aliases {
		led0 = &green_led_0;
		led1 = &red_led_0;
		sw0 = &user_button;
		sdhc0 = &sdmmc1; /* disabled by default : conflict with ltdc node */
		watchdog0 = &iwdg;
		die-temp0 = &die_temp;
		volt-sensor0 = &vref1;
		volt-sensor1 = &vbat4;
	};

	ext_memory: memory@a0000000 {
		compatible = "zephyr,memory-region";
		reg = <0xa0000000 DT_SIZE_M(128)>;
		zephyr,memory-region = "EXTMEM";
		/* The ATTR_MPU_EXTMEM attribut causing a MPU FAULT */
		zephyr,memory-attr = <DT_MEM_ARM(ATTR_MPU_IO)>;
	};
};

&ltdc {
	pinctrl-0 = <&ltdc_r0_pc6 &ltdc_r1_pc7 &ltdc_r2_pe15 &ltdc_r3_pd8
		     &ltdc_r4_pd9 &ltdc_r5_pd10 &ltdc_r6_pd11 &ltdc_r7_pd12
		     &ltdc_g0_pc8 &ltdc_g1_pc9 &ltdc_g2_pe9 &ltdc_g3_pe10
		     &ltdc_g4_pe11 &ltdc_g5_pe12 &ltdc_g6_pe13 &ltdc_g7_pe14
		     &ltdc_b0_pb9 &ltdc_b1_pb2 &ltdc_b2_pd14 &ltdc_b3_pd15
		     &ltdc_b4_pd0 &ltdc_b5_pd1 &ltdc_b6_pe7 &ltdc_b7_pe8
		     &ltdc_de_pd6 &ltdc_clk_pd3 &ltdc_hsync_pe0 &ltdc_vsync_pd13>;
	pinctrl-names = "default";
	disp-on-gpios = <&gpioe 4 GPIO_ACTIVE_HIGH>;
	bl-ctrl-gpios = <&gpioe 6 GPIO_ACTIVE_HIGH>;
	status = "okay";

	width = <800>;
	height = <480>;
	pixel-format = <PANEL_PIXEL_FORMAT_RGB_888>;

	def-back-color-red = <0x00>;
	def-back-color-green = <0x00>;
	def-back-color-blue = <0x00>;

	display-timings {
		compatible = "zephyr,panel-timing";
		de-active = <0>;
		pixelclk-active = <0>;
		hsync-active = <0>;
		vsync-active = <0>;
		hsync-len = <5>;
		vsync-len = <5>;
		hback-porch = <8>;
		vback-porch = <8>;
		hfront-porch = <8>;
		vfront-porch = <14>;
	};
};

&clk_hsi48 {
	status = "okay";
};

&clk_hse {
	clock-frequency = <DT_FREQ_M(16)>;
	status = "okay";
};

&clk_msis {
	status = "okay";
	msi-range = <4>; /* 4MHz (reset value) */
	msi-pll-mode;
};

&clk_lse {
	status = "okay";
};

&pll1 {
	div-m = <4>;
	mul-n = <80>;
	div-p = <2>;
	div-q = <2>;
	div-r = <2>;
	clocks = <&clk_hse>;
	status = "okay";
};

&pll2 {
	div-m = <4>;
	mul-n = <66>;
	div-p = <2>;
	div-q = <2>;
	div-r = <2>;
	clocks = <&clk_hse>;
	status = "okay";
};

&pll3 {
	div-m = <4>;
	mul-n = <125>;
	div-p = <20>;
	div-q = <20>;
	div-r = <20>;
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll1>;
	clock-frequency = <DT_FREQ_M(160)>;
	ahb-prescaler = <1>;
	apb1-prescaler = <1>;
	apb2-prescaler = <1>;
	apb3-prescaler = <1>;
};

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

&usart2 {
	pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
	pinctrl-names = "default";
	current-speed = <115200>;
	status = "okay";
};

&i2c1 {
	pinctrl-0 = <&i2c1_scl_pg14 &i2c1_sda_pg13>;
	pinctrl-names = "default";
	status = "okay";
	clock-frequency = <I2C_BITRATE_STANDARD>;
};

&i2c2 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c2_scl_pf1 &i2c2_sda_pf0>;
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;

	gt911: gt911@5d {
		compatible = "goodix,gt911";
		reg = <0x5d>;
		irq-gpios = <&gpioe 5 GPIO_ACTIVE_HIGH>;
		reset-gpios = <&gpiod 2 GPIO_ACTIVE_LOW>;
	};
};

&spi1 {
	pinctrl-0 = <&spi1_sck_pa5 &spi1_miso_pa6 &spi1_mosi_pb5>;
	pinctrl-names = "default";
	cs-gpios = <&gpiob 11 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
	status = "okay";
};

&timers1 {
	st,prescaler = <1>;
	status = "okay";

	pwm1: pwm {
		status = "okay";
		pinctrl-0 = <&tim1_ch2_pe11>;
		pinctrl-names = "default";
	};
};

&timers2 {
	st,prescaler = <1>;
	status = "okay";

	pwm2: pwm {
		status = "okay";
		pinctrl-0 = <&tim2_ch4_pa3>;
		pinctrl-names = "default";
	};
};

/* Connected to onboard 4-Gbyte eMMC flash memory */
&sdmmc1 {
	pinctrl-0 = <&sdmmc1_d0_pc8 &sdmmc1_d1_pc9
		     &sdmmc1_d2_pc10 &sdmmc1_d3_pc11
		     &sdmmc1_d4_pb8 &sdmmc1_d5_pb9
		     &sdmmc1_d6_pc6 &sdmmc1_d7_pc7
		     &sdmmc1_ck_pc12 &sdmmc1_cmd_pd2>;
	pinctrl-names = "default";
	/* disabled due to conflicting pins pc6, pc7, pc8
	 * pc9 and pb9 with LTDC node.
	 */
	status = "disabled";
};

&gpdma1 {
	status = "okay";
};

&adc1 {
	pinctrl-0 = <&adc1_in5_pa0 &adc1_in12_pa7>;
	pinctrl-names = "default";
	st,adc-clock-source = "ASYNC";
	st,adc-prescaler = <1>;
	status = "okay";

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

	channel@5 {
		reg = <0x5>;
		zephyr,gain = "ADC_GAIN_1";
		zephyr,reference = "ADC_REF_INTERNAL";
		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
		zephyr,resolution = <14>;
	};

	channel@c {
		reg = <0xc>;
		zephyr,gain = "ADC_GAIN_1";
		zephyr,reference = "ADC_REF_INTERNAL";
		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
		zephyr,resolution = <14>;
	};
};

&adc4 {
	pinctrl-0 = <&adc4_in4_pc3>;
	pinctrl-names = "default";
	st,adc-clock-source = "ASYNC";
	st,adc-prescaler = <1>;
	status = "okay";

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

	channel@4 {
		reg = <0x4>;
		zephyr,gain = "ADC_GAIN_1";
		zephyr,reference = "ADC_REF_INTERNAL";
		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
		zephyr,resolution = <12>;
	};
};

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

&otghs_phy {
	clock-reference = "SYSCFG_OTG_HS_PHY_CLK_16MHz";
	status = "okay";
};

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

		/*
		 * Following flash partition is dedicated to the use of bootloader
		 */
		boot_partition: partition@0 {
			label = "mcuboot";
			reg = <0x00000000 DT_SIZE_K(64)>;
		};

		slot0_partition: partition@10000 {
			label = "image-0";
			reg = <0x00010000 DT_SIZE_K(1952)>;
		};

		slot1_partition: partition@1f8000 {
			label = "image-1";
			reg = <0x001f8000 DT_SIZE_K(1960)>;
		};

		storage_partition: partition@3e2000 {
			label = "storage";
			reg = <0x003e2000 DT_SIZE_K(120)>;
		};
	};
};

&xspi1 {
	clocks = <&rcc STM32_CLOCK(AHB2_2, 12)>,
		 <&rcc STM32_SRC_PLL2_Q HSPI_SEL(2)>;

	pinctrl-0 = <&hspi1_dqs0_pi2 &hspi1_ncs_ph9
		     &hspi1_io0_ph10 &hspi1_io1_ph11
		     &hspi1_io2_ph12 &hspi1_io3_ph13
		     &hspi1_io4_ph14 &hspi1_io5_ph15
		     &hspi1_io6_pi0 &hspi1_io7_pi1
		     &hspi1_clk_pi3>;
	pinctrl-names = "default";
	status = "okay";

	mx66lm1g45: xspi-nor-flash@0 {
		compatible = "st,stm32-xspi-nor";
		reg = <0>;
		size = <DT_SIZE_M(1024)>; /* 1 Gbits */
		ospi-max-frequency = <DT_FREQ_M(133)>;
		spi-bus-width = <XSPI_OCTO_MODE>;
		data-rate = <XSPI_DTR_TRANSFER>;
		four-byte-opcodes;
		status = "okay";

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

			extflash_partition: partition@0 {
				label = "ext_storage";
				reg = <0 DT_SIZE_M(128)>;
			};
		};
	};
};

&rtc {
	clocks = <&rcc STM32_CLOCK(APB3, 21)>,
		 <&rcc STM32_SRC_LSE RTC_SEL(1)>;
	status = "okay";
};

&iwdg {
	status = "okay";
};

&rng {
	status = "okay";
};

&die_temp {
	status = "okay";
};

&vref1 {
	status = "okay";
};

&vbat4 {
	status = "okay";
};