boards/st/stm32h750b_dk/stm32h750b_dk.dts

/*
 * Copyright (c) 2023-2024 STMicroelectronics
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/h7/stm32h750Xb.dtsi>
#include <st/h7/stm32h750xbhx-pinctrl.dtsi>
#include "arduino_r3_connector.dtsi"
#include <zephyr/dt-bindings/input/input-event-codes.h>

/ {
	model = "STMicroelectronics STM32H750B DISCOVERY KIT";
	compatible = "st,stm32h750b-dk";

	chosen {
		zephyr,console = &usart3;
		zephyr,shell-uart = &usart3;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,flash-controller = &mt25ql512ab1;
		zephyr,display = &ltdc;
	};

	sdram2: sdram@d0000000 {
		compatible = "zephyr,memory-region", "mmio-sram";
		device_type = "memory";
		reg = <0xd0000000 DT_SIZE_M(16)>; /* 128Mbit */
		zephyr,memory-region = "SDRAM2";
		zephyr,memory-attr = <( DT_MEM_ARM(ATTR_MPU_RAM) )>;
	};

	ext_memory: memory@90000000 {
		compatible = "zephyr,memory-region";
		reg = <0x90000000 DT_SIZE_M(256)>; /* max addressable area */
		zephyr,memory-region = "EXTMEM";
		/* The ATTR_MPU_EXTMEM attribut causing a MPU FAULT */
		zephyr,memory-attr = <( DT_MEM_ARM(ATTR_MPU_IO) )>;
	};

	leds {
		compatible = "gpio-leds";
		red_led: led_1 {
			gpios = <&gpioi 13 GPIO_ACTIVE_LOW>;
			label = "USER1 LD6";
		};
		green_led: led_2 {
			gpios = <&gpioj 2 GPIO_ACTIVE_LOW>;
			label = "USER2 LD7";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		user_button: button {
			label = "User";
			gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
			zephyr,code = <INPUT_KEY_0>;
		};
	};

	aliases {
		led0 = &green_led;
		led1 = &red_led;
		sw0 = &user_button;
		die-temp0 = &die_temp;
	};
};

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

&clk_lse {
	status = "okay";
};

&ltdc {
	pinctrl-0 = <&ltdc_r0_pi15 &ltdc_r1_pj0 &ltdc_r2_pj1 &ltdc_r3_ph9
		&ltdc_r4_pj3 &ltdc_r5_pj4 &ltdc_r6_pj5 &ltdc_r7_pj6
		&ltdc_g0_pj7 &ltdc_g1_pj8 &ltdc_g2_pj9 &ltdc_g3_pj10
		&ltdc_g4_pj11 &ltdc_g5_pi0 &ltdc_g6_pi1 &ltdc_g7_pk2
		&ltdc_b0_pj12 &ltdc_b1_pj13 &ltdc_b2_pj14 &ltdc_b3_pj15
		&ltdc_b4_pk3 &ltdc_b5_pk4 &ltdc_b6_pk5 &ltdc_b7_pk6
		&ltdc_de_pk7 &ltdc_clk_pi14 &ltdc_hsync_pi12 &ltdc_vsync_pi9>;
	pinctrl-names = "default";

	disp-on-gpios = <&gpiod 7 GPIO_ACTIVE_HIGH>;

	ext-sdram = <&sdram2>;
	status = "okay";

	clocks = <&rcc STM32_CLOCK_BUS_APB3 0x00000008>,
		<&rcc STM32_SRC_PLL3_R NO_SEL>;

	width = <480>;
	height = <272>;
	pixel-format = <PANEL_PIXEL_FORMAT_RGB_565>;
	display-timings {
		compatible = "zephyr,panel-timing";
		de-active = <1>;
		pixelclk-active = <0>;
		hsync-active = <0>;
		vsync-active = <0>;
		hsync-len = <1>;
		vsync-len = <10>;
		hback-porch = <43>;
		vback-porch = <12>;
		hfront-porch = <8>;
		vfront-porch = <4>;
	};
	def-back-color-red = <0xFF>;
	def-back-color-green = <0xFF>;
	def-back-color-blue = <0xFF>;
};

&pll {
	div-m = <5>;
	mul-n = <192>;
	div-p = <2>;
	div-q = <4>;
	div-r = <4>;
	clocks = <&clk_hse>;
	status = "okay";
};

&pll3 {
	div-m = <5>;
	mul-n = <192>;
	div-p = <2>;
	div-q = <20>;
	div-r = <99>;
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(480)>;
	d1cpre = <1>;
	hpre = <2>;
	d1ppre = <2>;
	d2ppre1 = <2>;
	d2ppre2 = <2>;
	d3ppre = <2>;
};

&usart3 {
	pinctrl-0 = <&usart3_tx_pb10 &usart3_rx_pb11>;
	pinctrl-names = "default";
	current-speed = <115200>;
	status = "okay";
};

&quadspi {
	pinctrl-names = "default";
	pinctrl-0 = <&quadspi_clk_pf10 &quadspi_bk1_ncs_pg6
		     &quadspi_bk1_io0_pd11 &quadspi_bk1_io1_pf9
		     &quadspi_bk1_io2_pf7 &quadspi_bk1_io3_pf6
		     &quadspi_bk2_io0_ph2 &quadspi_bk2_io1_ph3
		     &quadspi_bk2_io2_pg9 &quadspi_bk2_io3_pg14>;
	dual-flash;
	status = "okay";

	mt25ql512ab1: qspi-nor-flash-1@90000000 {
		compatible = "st,stm32-qspi-nor";
		reg = <0x90000000 DT_SIZE_M(64)>; /* 512 Mbits */
		qspi-max-frequency = <72000000>;
		spi-bus-width = <4>;
		reset-cmd;
		status = "okay";

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

			partition@0 {
				reg = <0x0 DT_SIZE_M(64)>;
			};
		};
	};

	mt25ql512ab2: qspi-nor-flash-2@90000000 {
		compatible = "st,stm32-qspi-nor";
		reg = <0x90000000 DT_SIZE_M(64)>; /* 512 Mbits */
		qspi-max-frequency = <72000000>;
		status = "okay";
	};
};

&fmc {
	pinctrl-0 = <&fmc_nbl0_pe0 &fmc_nbl1_pe1
		&fmc_sdclk_pg8 &fmc_sdnwe_ph5 &fmc_sdcke1_ph7
		&fmc_sdne1_ph6 &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_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";
	status = "okay";

	sdram {
		status = "okay";
		power-up-delay = <100>;
		num-auto-refresh = <8>;
		mode-register = <0x230>;
		refresh-rate = <0x603>;
		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_3
				STM32_FMC_SDRAM_SDCLK_PERIOD_2
				STM32_FMC_SDRAM_RBURST_ENABLE
				STM32_FMC_SDRAM_RPIPE_1>;
			st,sdram-timing = <2 7 4 7 2 2 2>;
		};
	};
};

&rtc {
	clocks = <&rcc STM32_CLOCK_BUS_APB4 0x00010000>,
		 <&rcc STM32_SRC_LSE RTC_SEL(1)>;
	status = "okay";
};

&die_temp {
	status = "okay";
};

&adc3 {
	st,adc-clock-source = <SYNC>;
	st,adc-prescaler = <4>;
	status = "okay";
};

/* Arduino Header pins: Tx:D1, Rx:D0 */
/* LPUART1 can also be used with this pins */
&usart1 {
	dma-names = "tx", "rx";
	pinctrl-0 = <&usart1_tx_pb6 &usart1_rx_pb7>;
	pinctrl-names = "default";
	current-speed = <115200>;
	status = "okay";
};