|  | /* | 
|  | * Copyright (c) 2017 Linaro Limited | 
|  | * Copyright (c) 2024 STMicroelectronics | 
|  | * | 
|  | * SPDX-License-Identifier: Apache-2.0 | 
|  | */ | 
|  |  | 
|  | /dts-v1/; | 
|  | #include <st/f4/stm32f429Xi.dtsi> | 
|  | #include <st/f4/stm32f429zitx-pinctrl.dtsi> | 
|  | #include <zephyr/dt-bindings/display/ili9xxx.h> | 
|  | #include <zephyr/dt-bindings/input/input-event-codes.h> | 
|  |  | 
|  | / { | 
|  | model = "STMicroelectronics STM32F429I_DISC1 board"; | 
|  | compatible = "st,stm32f4discovery"; | 
|  |  | 
|  | chosen { | 
|  | zephyr,console = &usart1; | 
|  | zephyr,shell-uart = &usart1; | 
|  | zephyr,sram = &sram0; | 
|  | zephyr,flash = &flash0; | 
|  | zephyr,ccm = &ccm0; | 
|  | zephyr,display = <dc; | 
|  | zephyr,touch = &stmpe811; | 
|  | }; | 
|  |  | 
|  | 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"; | 
|  |  | 
|  | green_led_3: led_3 { | 
|  | gpios = <&gpiog 13 GPIO_ACTIVE_HIGH>; | 
|  | label = "User LD3"; | 
|  | }; | 
|  |  | 
|  | red_led_4: led_4 { | 
|  | gpios = <&gpiog 14 GPIO_ACTIVE_HIGH>; | 
|  | label = "User LD4"; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | gpio_keys { | 
|  | compatible = "gpio-keys"; | 
|  |  | 
|  | user_button: button { | 
|  | label = "User"; | 
|  | gpios = <&gpioa 0 GPIO_ACTIVE_LOW>; | 
|  | zephyr,code = <INPUT_KEY_0>; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | aliases { | 
|  | led0 = &green_led_3; | 
|  | sw0 = &user_button; | 
|  | }; | 
|  |  | 
|  | lvgl_pointer { | 
|  | compatible = "zephyr,lvgl-pointer-input"; | 
|  | input = <&stmpe811>; | 
|  | }; | 
|  |  | 
|  | mipi_dbi { | 
|  | compatible = "zephyr,mipi-dbi-spi"; | 
|  | dc-gpios = <&gpiod 13 GPIO_ACTIVE_HIGH>; | 
|  | write-only; | 
|  | #address-cells = <1>; | 
|  | #size-cells = <0>; | 
|  | spi-dev = <&spi5>; | 
|  |  | 
|  | ili9341: ili9341@0 { | 
|  | compatible = "ilitek,ili9341"; | 
|  | mipi-max-frequency = <5625000>; | 
|  | reg = <0>; | 
|  | width = <240>; | 
|  | height = <320>; | 
|  | rotation = <180>; | 
|  | pixel-format = <ILI9XXX_PIXEL_FORMAT_RGB565>; | 
|  | pwctrla = [39 2c 00 34 02]; | 
|  | pwctrlb = [00 c1 30]; | 
|  | timctrla = [85 00 78]; | 
|  | timctrlb = [00 00]; | 
|  | pwseqctrl = [64 03 12 81]; | 
|  | pumpratioctrl = [20]; | 
|  | disctrl = [08 82 27 04]; | 
|  | vmctrl1 = [45 15]; | 
|  | vmctrl2 = [90]; | 
|  | enable3g = [00]; | 
|  | ifctl = [01 00 06]; | 
|  | ifmode = [c2]; | 
|  | gamset = [01]; | 
|  | frmctr1 = [00 1b]; | 
|  | pwctrl1 = [10]; | 
|  | pwctrl2 = [10]; | 
|  | pgamctrl = [0F 29 24 0c 0e 09 4e 78 3c 09 13 05 17 11 00]; | 
|  | ngamctrl = [00 16 1b 04 11 07 31 33 42 05 0c 0a 28 2f 0f]; | 
|  | }; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | &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>; | 
|  | }; | 
|  |  | 
|  | &usart1 { | 
|  | pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>; | 
|  | pinctrl-names = "default"; | 
|  | current-speed = <115200>; | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &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_pb9>; | 
|  | pinctrl-names = "default"; | 
|  | status = "okay"; | 
|  | clock-frequency = <I2C_BITRATE_FAST>; | 
|  | }; | 
|  |  | 
|  | &i2c2 { | 
|  | pinctrl-0 = <&i2c2_scl_pb10 &i2c2_sda_pb11>; | 
|  | pinctrl-names = "default"; | 
|  | status = "okay"; | 
|  | clock-frequency = <I2C_BITRATE_FAST>; | 
|  | }; | 
|  |  | 
|  | &i2c3 { | 
|  | pinctrl-0 = <&i2c3_scl_pa8 &i2c3_sda_pc9>; | 
|  | pinctrl-names = "default"; | 
|  | status = "okay"; | 
|  | clock-frequency = <I2C_BITRATE_FAST>; | 
|  |  | 
|  | stmpe811: stmpe811@41 { | 
|  | compatible = "st,stmpe811"; | 
|  | status = "okay"; | 
|  | reg = <0x41>; | 
|  | int-gpios = <&gpioa 15 GPIO_ACTIVE_LOW>; | 
|  | screen-width = <240>; | 
|  | screen-height = <320>; | 
|  | raw-x-min = <240>; | 
|  | raw-y-min = <200>; | 
|  | raw-x-max = <3680>; | 
|  | raw-y-max = <3800>; | 
|  | panel-driver-settling-time-us = <1000>; | 
|  | touch-detect-delay-us = <5000>; | 
|  | touch-average-control = <8>; | 
|  | tracking-index = <127>; | 
|  | inverted-x; | 
|  | inverted-y; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | &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_sdcke1_pb5 | 
|  | &fmc_sdne1_pb6 &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>; | 
|  | }; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | <dc { | 
|  | pinctrl-0 = <<dc_r2_pc10 <dc_r3_pb0 <dc_r4_pa11 <dc_r5_pa12 | 
|  | <dc_r6_pb1 <dc_r7_pg6 <dc_g2_pa6 <dc_g3_pg10 | 
|  | <dc_g4_pb10 <dc_g5_pb11 <dc_g6_pc7 <dc_g7_pd3 | 
|  | <dc_b2_pd6 <dc_b3_pg11 <dc_b4_pg12 <dc_b5_pa3 | 
|  | <dc_b6_pb8 <dc_b7_pb9 <dc_de_pf10 <dc_clk_pg7 | 
|  | <dc_hsync_pc6 <dc_vsync_pa4>; | 
|  | pinctrl-names = "default"; | 
|  | ext-sdram = <&sdram2>; | 
|  | display-controller = <&ili9341>; | 
|  | status = "okay"; | 
|  |  | 
|  | width = <240>; | 
|  | height = <320>; | 
|  | pixel-format = <PANEL_PIXEL_FORMAT_RGB_565>; | 
|  |  | 
|  | display-timings { | 
|  | compatible = "zephyr,panel-timing"; | 
|  | de-active = <0>; | 
|  | pixelclk-active = <0>; | 
|  | hsync-active = <0>; | 
|  | vsync-active = <0>; | 
|  | hsync-len = <10>; | 
|  | vsync-len = <2>; | 
|  | hback-porch= <20>; | 
|  | vback-porch = <2>; | 
|  | hfront-porch = <10>; | 
|  | vfront-porch = <4>; | 
|  | }; | 
|  |  | 
|  | def-back-color-red = <0xFF>; | 
|  | def-back-color-green = <0xFF>; | 
|  | def-back-color-blue = <0xFF>; | 
|  | }; | 
|  |  | 
|  | 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"; | 
|  | }; |