| /* |
| * Copyright (c) 2023 STMicroelectronics |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /dts-v1/; |
| #include <st/h7/stm32h750Xb.dtsi> |
| #include <st/h7/stm32h750xbhx-pinctrl.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; |
| }; |
| |
| 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) )>; |
| }; |
| |
| 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; |
| spi-flash0 = &mt25ql512ab1; |
| }; |
| }; |
| |
| &clk_hse { |
| clock-frequency = <DT_FREQ_M(25)>; |
| hse-bypass; |
| status = "okay"; |
| }; |
| |
| &pll { |
| div-m = <5>; |
| mul-n = <192>; |
| div-p = <2>; |
| div-q = <4>; |
| div-r = <4>; |
| 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>; |
| flash-id = <1>; |
| 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>; |
| 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 = <0x220>; |
| 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_0>; |
| st,sdram-timing = <2 7 4 7 2 2 2>; |
| }; |
| }; |
| }; |