[PATCH v2 03/13] ARM: dts: stm32: convert stm23f7 boards to OF_UPSTREAM

Patrice CHOTARD patrice.chotard at foss.st.com
Mon Apr 28 15:21:01 CEST 2025



On 4/22/25 15:12, Patrice Chotard wrote:
> Enable OF_UPSTREAM flag for STM32F7 platforms.
> 
> Use upstream device tree for DSI and LTDC nodes,
> As now in upstream DT, in panel at 0 node, power-supply property is
> present, which is a fixed-regulator, add DM_REGULATOR_FIXED flag
> for stm32f769-disco boards.
> 
> Set also DEFAULT_FDT_FILE in defconfigs and use it in stm32f746-disco.h
> to indicate which FDT file to load (All STM32F7 boards are using this
> file).
> 
> If something is missing, it must be added in upstream device tree
> in linux kernel ("px_clk" for DSI by example).
> 
> Signed-off-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>
> Reviewed-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> ---
> 
> (no changes since v1)
> 
>  arch/arm/dts/Makefile                    |   4 -
>  arch/arm/dts/stm32746g-eval.dts          | 186 -------
>  arch/arm/dts/stm32f7-pinctrl.dtsi        | 415 ---------------
>  arch/arm/dts/stm32f746-disco-u-boot.dtsi |  13 +-
>  arch/arm/dts/stm32f746-disco.dts         | 169 -------
>  arch/arm/dts/stm32f746-pinctrl.dtsi      |  11 -
>  arch/arm/dts/stm32f746.dtsi              | 613 -----------------------
>  arch/arm/dts/stm32f769-disco-u-boot.dtsi |  60 +--
>  arch/arm/dts/stm32f769-disco.dts         | 133 -----
>  arch/arm/dts/stm32f769-pinctrl.dtsi      |  11 -
>  arch/arm/mach-stm32/Kconfig              |   1 +
>  configs/stm32746g-eval_defconfig         |   3 +-
>  configs/stm32746g-eval_spl_defconfig     |   3 +-
>  configs/stm32f746-disco_defconfig        |   3 +-
>  configs/stm32f746-disco_spl_defconfig    |   3 +-
>  configs/stm32f769-disco_defconfig        |   4 +-
>  configs/stm32f769-disco_spl_defconfig    |   4 +-
>  include/configs/stm32f746-disco.h        |   2 +-
>  18 files changed, 34 insertions(+), 1604 deletions(-)
>  delete mode 100644 arch/arm/dts/stm32746g-eval.dts
>  delete mode 100644 arch/arm/dts/stm32f7-pinctrl.dtsi
>  delete mode 100644 arch/arm/dts/stm32f746-disco.dts
>  delete mode 100644 arch/arm/dts/stm32f746-pinctrl.dtsi
>  delete mode 100644 arch/arm/dts/stm32f746.dtsi
>  delete mode 100644 arch/arm/dts/stm32f769-disco.dts
>  delete mode 100644 arch/arm/dts/stm32f769-pinctrl.dtsi
> 
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index 56cbbba3b98..2b025128db1 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -534,10 +534,6 @@ dtb-$(CONFIG_STM32F4) += stm32f429-disco.dtb \
>  	stm32429i-eval.dtb \
>  	stm32f469-disco.dtb
>  
> -dtb-$(CONFIG_STM32F7) += stm32f746-disco.dtb \
> -	stm32f769-disco.dtb \
> -	stm32746g-eval.dtb
> -
>  dtb-$(CONFIG_MACH_SUN4I) += \
>  	sun4i-a10-inet-3f.dtb \
>  	sun4i-a10-inet-3w.dtb
> diff --git a/arch/arm/dts/stm32746g-eval.dts b/arch/arm/dts/stm32746g-eval.dts
> deleted file mode 100644
> index 0e6445a539e..00000000000
> --- a/arch/arm/dts/stm32746g-eval.dts
> +++ /dev/null
> @@ -1,186 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0+ OR X11
> -/*
> - * Copyright 2015 - Maxime Coquelin <mcoquelin.stm32 at gmail.com>
> - *
> - */
> -
> -/dts-v1/;
> -#include "stm32f746.dtsi"
> -#include "stm32f746-pinctrl.dtsi"
> -#include <dt-bindings/input/input.h>
> -#include <dt-bindings/interrupt-controller/irq.h>
> -
> -/ {
> -	model = "STMicroelectronics STM32746g-EVAL board";
> -	compatible = "st,stm32746g-eval", "st,stm32f746";
> -
> -	chosen {
> -		bootargs = "root=/dev/ram";
> -		stdout-path = "serial0:115200n8";
> -	};
> -
> -	memory at c0000000 {
> -		device_type = "memory";
> -		reg = <0xc0000000 0x2000000>;
> -	};
> -
> -	aliases {
> -		serial0 = &usart1;
> -	};
> -
> -	leds {
> -		compatible = "gpio-leds";
> -		led-green {
> -			gpios = <&gpiof 10 1>;
> -			linux,default-trigger = "heartbeat";
> -		};
> -		led-orange {
> -			gpios = <&stmfx_pinctrl 17 1>;
> -		};
> -		led-red {
> -			gpios = <&gpiob 7 1>;
> -		};
> -		led-blue {
> -			gpios = <&stmfx_pinctrl 19 1>;
> -		};
> -	};
> -
> -	gpio-keys {
> -		compatible = "gpio-keys";
> -		autorepeat;
> -		button-0 {
> -			label = "Wake up";
> -			linux,code = <KEY_WAKEUP>;
> -			gpios = <&gpioc 13 0>;
> -		};
> -	};
> -
> -	joystick {
> -		compatible = "gpio-keys";
> -		pinctrl-0 = <&joystick_pins>;
> -		pinctrl-names = "default";
> -		button-0 {
> -			label = "JoySel";
> -			linux,code = <KEY_ENTER>;
> -			interrupt-parent = <&stmfx_pinctrl>;
> -			interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
> -		};
> -		button-1 {
> -			label = "JoyDown";
> -			linux,code = <KEY_DOWN>;
> -			interrupt-parent = <&stmfx_pinctrl>;
> -			interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
> -		};
> -		button-2 {
> -			label = "JoyLeft";
> -			linux,code = <KEY_LEFT>;
> -			interrupt-parent = <&stmfx_pinctrl>;
> -			interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
> -		};
> -		button-3 {
> -			label = "JoyRight";
> -			linux,code = <KEY_RIGHT>;
> -			interrupt-parent = <&stmfx_pinctrl>;
> -			interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
> -		};
> -		button-4 {
> -			label = "JoyUp";
> -			linux,code = <KEY_UP>;
> -			interrupt-parent = <&stmfx_pinctrl>;
> -			interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
> -		};
> -	};
> -
> -	usbotg_hs_phy: usb-phy {
> -		#phy-cells = <0>;
> -		compatible = "usb-nop-xceiv";
> -		clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
> -		clock-names = "main_clk";
> -	};
> -
> -	mmc_vcard: mmc_vcard {
> -		compatible = "regulator-fixed";
> -		regulator-name = "mmc_vcard";
> -		regulator-min-microvolt = <3300000>;
> -		regulator-max-microvolt = <3300000>;
> -	};
> -};
> -
> -&clk_hse {
> -	clock-frequency = <25000000>;
> -};
> -
> -&crc {
> -	status = "okay";
> -};
> -
> -&i2c1 {
> -	pinctrl-0 = <&i2c1_pins_b>;
> -	pinctrl-names = "default";
> -	i2c-scl-rising-time-ns = <185>;
> -	i2c-scl-falling-time-ns = <20>;
> -	status = "okay";
> -
> -	stmfx: stmfx at 42 {
> -		compatible = "st,stmfx-0300";
> -		reg = <0x42>;
> -		interrupts = <8 IRQ_TYPE_EDGE_RISING>;
> -		interrupt-parent = <&gpioi>;
> -
> -		stmfx_pinctrl: pinctrl {
> -			compatible = "st,stmfx-0300-pinctrl";
> -			gpio-controller;
> -			#gpio-cells = <2>;
> -			interrupt-controller;
> -			#interrupt-cells = <2>;
> -			gpio-ranges = <&stmfx_pinctrl 0 0 24>;
> -
> -			joystick_pins: joystick {
> -				pins = "gpio0", "gpio1", "gpio2", "gpio3", "gpio4";
> -				drive-push-pull;
> -				bias-pull-up;
> -			};
> -		};
> -	};
> -};
> -
> -&rtc {
> -	status = "okay";
> -};
> -
> -&sdio1 {
> -	status = "okay";
> -	vmmc-supply = <&mmc_vcard>;
> -	broken-cd;
> -	pinctrl-names = "default", "opendrain";
> -	pinctrl-0 = <&sdio_pins_a>;
> -	pinctrl-1 = <&sdio_pins_od_a>;
> -	bus-width = <4>;
> -};
> -
> -&timers5 {
> -	/* Override timer5 to act as clockevent */
> -	compatible = "st,stm32-timer";
> -	interrupts = <50>;
> -	status = "okay";
> -	/delete-property/#address-cells;
> -	/delete-property/#size-cells;
> -	/delete-property/clock-names;
> -	/delete-node/pwm;
> -	/delete-node/timer at 4;
> -};
> -
> -&usart1 {
> -	pinctrl-0 = <&usart1_pins_a>;
> -	pinctrl-names = "default";
> -	status = "okay";
> -};
> -
> -&usbotg_hs {
> -	dr_mode = "otg";
> -	phys = <&usbotg_hs_phy>;
> -	phy-names = "usb2-phy";
> -	pinctrl-0 = <&usbotg_hs_pins_a>;
> -	pinctrl-names = "default";
> -	status = "okay";
> -};
> diff --git a/arch/arm/dts/stm32f7-pinctrl.dtsi b/arch/arm/dts/stm32f7-pinctrl.dtsi
> deleted file mode 100644
> index d3706ee33b5..00000000000
> --- a/arch/arm/dts/stm32f7-pinctrl.dtsi
> +++ /dev/null
> @@ -1,415 +0,0 @@
> -// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
> -/*
> - * Copyright (C) STMicroelectronics 2017 - All Rights Reserved
> - * Author: Alexandre Torgue  <alexandre.torgue at st.com> for STMicroelectronics.
> - */
> -
> -#include <dt-bindings/pinctrl/stm32-pinfunc.h>
> -#include <dt-bindings/mfd/stm32f7-rcc.h>
> -
> -/ {
> -	soc {
> -		pinctrl: pinctrl at 40020000 {
> -			#address-cells = <1>;
> -			#size-cells = <1>;
> -			ranges = <0 0x40020000 0x3000>;
> -			interrupt-parent = <&exti>;
> -			st,syscfg = <&syscfg 0x8>;
> -			pins-are-numbered;
> -
> -			gpioa: gpio at 40020000 {
> -				gpio-controller;
> -				#gpio-cells = <2>;
> -				interrupt-controller;
> -				#interrupt-cells = <2>;
> -				reg = <0x0 0x400>;
> -				clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOA)>;
> -				st,bank-name = "GPIOA";
> -			};
> -
> -			gpiob: gpio at 40020400 {
> -				gpio-controller;
> -				#gpio-cells = <2>;
> -				interrupt-controller;
> -				#interrupt-cells = <2>;
> -				reg = <0x400 0x400>;
> -				clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOB)>;
> -				st,bank-name = "GPIOB";
> -			};
> -
> -			gpioc: gpio at 40020800 {
> -				gpio-controller;
> -				#gpio-cells = <2>;
> -				interrupt-controller;
> -				#interrupt-cells = <2>;
> -				reg = <0x800 0x400>;
> -				clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOC)>;
> -				st,bank-name = "GPIOC";
> -			};
> -
> -			gpiod: gpio at 40020c00 {
> -				gpio-controller;
> -				#gpio-cells = <2>;
> -				interrupt-controller;
> -				#interrupt-cells = <2>;
> -				reg = <0xc00 0x400>;
> -				clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOD)>;
> -				st,bank-name = "GPIOD";
> -			};
> -
> -			gpioe: gpio at 40021000 {
> -				gpio-controller;
> -				#gpio-cells = <2>;
> -				interrupt-controller;
> -				#interrupt-cells = <2>;
> -				reg = <0x1000 0x400>;
> -				clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOE)>;
> -				st,bank-name = "GPIOE";
> -			};
> -
> -			gpiof: gpio at 40021400 {
> -				gpio-controller;
> -				#gpio-cells = <2>;
> -				interrupt-controller;
> -				#interrupt-cells = <2>;
> -				reg = <0x1400 0x400>;
> -				clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOF)>;
> -				st,bank-name = "GPIOF";
> -			};
> -
> -			gpiog: gpio at 40021800 {
> -				gpio-controller;
> -				#gpio-cells = <2>;
> -				interrupt-controller;
> -				#interrupt-cells = <2>;
> -				reg = <0x1800 0x400>;
> -				clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOG)>;
> -				st,bank-name = "GPIOG";
> -			};
> -
> -			gpioh: gpio at 40021c00 {
> -				gpio-controller;
> -				#gpio-cells = <2>;
> -				interrupt-controller;
> -				#interrupt-cells = <2>;
> -				reg = <0x1c00 0x400>;
> -				clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOH)>;
> -				st,bank-name = "GPIOH";
> -			};
> -
> -			gpioi: gpio at 40022000 {
> -				gpio-controller;
> -				#gpio-cells = <2>;
> -				interrupt-controller;
> -				#interrupt-cells = <2>;
> -				reg = <0x2000 0x400>;
> -				clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOI)>;
> -				st,bank-name = "GPIOI";
> -			};
> -
> -			gpioj: gpio at 40022400 {
> -				gpio-controller;
> -				#gpio-cells = <2>;
> -				interrupt-controller;
> -				#interrupt-cells = <2>;
> -				reg = <0x2400 0x400>;
> -				clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOJ)>;
> -				st,bank-name = "GPIOJ";
> -			};
> -
> -			gpiok: gpio at 40022800 {
> -				gpio-controller;
> -				#gpio-cells = <2>;
> -				interrupt-controller;
> -				#interrupt-cells = <2>;
> -				reg = <0x2800 0x400>;
> -				clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOK)>;
> -				st,bank-name = "GPIOK";
> -			};
> -
> -			cec_pins_a: cec-0 {
> -				pins {
> -					pinmux = <STM32_PINMUX('A', 15, AF4)>; /* HDMI CEC */
> -					slew-rate = <0>;
> -					drive-open-drain;
> -					bias-disable;
> -				};
> -			};
> -
> -			usart1_pins_a: usart1-0 {
> -				pins1 {
> -					pinmux = <STM32_PINMUX('A', 9, AF7)>; /* USART1_TX */
> -					bias-disable;
> -					drive-push-pull;
> -					slew-rate = <0>;
> -				};
> -				pins2 {
> -					pinmux = <STM32_PINMUX('A', 10, AF7)>; /* USART1_RX */
> -					bias-disable;
> -				};
> -			};
> -
> -			usart1_pins_b: usart1-1 {
> -				pins1 {
> -					pinmux = <STM32_PINMUX('A', 9, AF7)>; /* USART1_TX */
> -					bias-disable;
> -					drive-push-pull;
> -					slew-rate = <0>;
> -				};
> -				pins2 {
> -					pinmux = <STM32_PINMUX('B', 7, AF7)>; /* USART1_RX */
> -					bias-disable;
> -				};
> -			};
> -
> -			i2c1_pins_b: i2c1-0 {
> -				pins {
> -					pinmux = <STM32_PINMUX('B', 9, AF4)>, /* I2C1 SDA */
> -						 <STM32_PINMUX('B', 8, AF4)>; /* I2C1 SCL */
> -					bias-disable;
> -					drive-open-drain;
> -					slew-rate = <0>;
> -				};
> -			};
> -
> -			i2c3_pins_a: i2c3-0 {
> -				pins {
> -					pinmux = <STM32_PINMUX('H', 8, AF4)>, /* I2C3_SDA */
> -						 <STM32_PINMUX('H', 7, AF4)>; /* I2C3_SCL */
> -					bias-disable;
> -					drive-open-drain;
> -					slew-rate = <0>;
> -				};
> -			};
> -
> -			usbotg_hs_pins_a: usbotg-hs-0 {
> -				pins {
> -					pinmux = <STM32_PINMUX('H', 4, AF10)>, /* OTG_HS_ULPI_NXT */
> -						 <STM32_PINMUX('I', 11, AF10)>, /* OTG_HS_ULPI_DIR */
> -						 <STM32_PINMUX('C', 0, AF10)>, /* OTG_HS_ULPI_STP */
> -						 <STM32_PINMUX('A', 5, AF10)>, /* OTG_HS_ULPI_CK */
> -						 <STM32_PINMUX('A', 3, AF10)>, /* OTG_HS_ULPI_D0 */
> -						 <STM32_PINMUX('B', 0, AF10)>, /* OTG_HS_ULPI_D1 */
> -						 <STM32_PINMUX('B', 1, AF10)>, /* OTG_HS_ULPI_D2 */
> -						 <STM32_PINMUX('B', 10, AF10)>, /* OTG_HS_ULPI_D3 */
> -						 <STM32_PINMUX('B', 11, AF10)>, /* OTG_HS_ULPI_D4 */
> -						 <STM32_PINMUX('B', 12, AF10)>, /* OTG_HS_ULPI_D5 */
> -						 <STM32_PINMUX('B', 13, AF10)>, /* OTG_HS_ULPI_D6 */
> -						 <STM32_PINMUX('B', 5, AF10)>; /* OTG_HS_ULPI_D7 */
> -					bias-disable;
> -					drive-push-pull;
> -					slew-rate = <2>;
> -				};
> -			};
> -
> -			usbotg_hs_pins_b: usbotg-hs-1 {
> -				pins {
> -					pinmux = <STM32_PINMUX('H', 4, AF10)>, /* OTG_HS_ULPI_NXT */
> -						 <STM32_PINMUX('C', 2, AF10)>, /* OTG_HS_ULPI_DIR */
> -						 <STM32_PINMUX('C', 0, AF10)>, /* OTG_HS_ULPI_STP */
> -						 <STM32_PINMUX('A', 5, AF10)>, /* OTG_HS_ULPI_CK */
> -						 <STM32_PINMUX('A', 3, AF10)>, /* OTG_HS_ULPI_D0 */
> -						 <STM32_PINMUX('B', 0, AF10)>, /* OTG_HS_ULPI_D1 */
> -						 <STM32_PINMUX('B', 1, AF10)>, /* OTG_HS_ULPI_D2 */
> -						 <STM32_PINMUX('B', 10, AF10)>, /* OTG_HS_ULPI_D3 */
> -						 <STM32_PINMUX('B', 11, AF10)>, /* OTG_HS_ULPI_D4 */
> -						 <STM32_PINMUX('B', 12, AF10)>, /* OTG_HS_ULPI_D5 */
> -						 <STM32_PINMUX('B', 13, AF10)>, /* OTG_HS_ULPI_D6 */
> -						 <STM32_PINMUX('B', 5, AF10)>; /* OTG_HS_ULPI_D7 */
> -					bias-disable;
> -					drive-push-pull;
> -					slew-rate = <2>;
> -				};
> -			};
> -
> -			usbotg_fs_pins_a: usbotg-fs-0 {
> -				pins {
> -					pinmux = <STM32_PINMUX('A', 10, AF10)>, /* OTG_FS_ID */
> -						 <STM32_PINMUX('A', 11, AF10)>, /* OTG_FS_DM */
> -						 <STM32_PINMUX('A', 12, AF10)>; /* OTG_FS_DP */
> -					bias-disable;
> -					drive-push-pull;
> -					slew-rate = <2>;
> -				};
> -			};
> -
> -			sdio_pins_a: sdio-pins-a-0 {
> -				pins {
> -					pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1 D0 */
> -						 <STM32_PINMUX('C', 9, AF12)>, /* SDMMC1 D1 */
> -						 <STM32_PINMUX('C', 10, AF12)>, /* SDMMC1 D2 */
> -						 <STM32_PINMUX('C', 11, AF12)>, /* SDMMC1 D3 */
> -						 <STM32_PINMUX('C', 12, AF12)>, /* SDMMC1 CLK */
> -						 <STM32_PINMUX('D', 2, AF12)>; /* SDMMC1 CMD */
> -					drive-push-pull;
> -					slew-rate = <2>;
> -				};
> -			};
> -
> -			sdio_pins_od_a: sdio-pins-od-a-0 {
> -				pins1 {
> -					pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDMMC1 D0 */
> -						 <STM32_PINMUX('C', 9, AF12)>, /* SDMMC1 D1 */
> -						 <STM32_PINMUX('C', 10, AF12)>, /* SDMMC1 D2 */
> -						 <STM32_PINMUX('C', 11, AF12)>, /* SDMMC1 D3 */
> -						 <STM32_PINMUX('C', 12, AF12)>; /* SDMMC1 CLK */
> -					drive-push-pull;
> -					slew-rate = <2>;
> -				};
> -
> -				pins2 {
> -					pinmux = <STM32_PINMUX('D', 2, AF12)>; /* SDMMC1 CMD */
> -					drive-open-drain;
> -					slew-rate = <2>;
> -				};
> -			};
> -
> -			sdio_pins_b: sdio-pins-b-0 {
> -				pins {
> -					pinmux = <STM32_PINMUX('G', 9, AF11)>, /* SDMMC2 D0 */
> -						 <STM32_PINMUX('G', 10, AF11)>, /* SDMMC2 D1 */
> -						 <STM32_PINMUX('B', 3, AF10)>, /* SDMMC2 D2 */
> -						 <STM32_PINMUX('B', 4, AF10)>, /* SDMMC2 D3 */
> -						 <STM32_PINMUX('D', 6, AF11)>, /* SDMMC2 CLK */
> -						 <STM32_PINMUX('D', 7, AF11)>; /* SDMMC2 CMD */
> -					drive-push-pull;
> -					slew-rate = <2>;
> -				};
> -			};
> -
> -			sdio_pins_od_b: sdio-pins-od-b-0 {
> -				pins1 {
> -					pinmux = <STM32_PINMUX('G', 9, AF11)>, /* SDMMC2 D0 */
> -						 <STM32_PINMUX('G', 10, AF11)>, /* SDMMC2 D1 */
> -						 <STM32_PINMUX('B', 3, AF10)>, /* SDMMC2 D2 */
> -						 <STM32_PINMUX('B', 4, AF10)>, /* SDMMC2 D3 */
> -						 <STM32_PINMUX('D', 6, AF11)>; /* SDMMC2 CLK */
> -					drive-push-pull;
> -					slew-rate = <2>;
> -				};
> -
> -				pins2 {
> -					pinmux = <STM32_PINMUX('D', 7, AF11)>; /* SDMMC2 CMD */
> -					drive-open-drain;
> -					slew-rate = <2>;
> -				};
> -			};
> -
> -			can1_pins_a: can1-0 {
> -				pins1 {
> -					pinmux = <STM32_PINMUX('A', 12, AF9)>; /* CAN1_TX */
> -				};
> -				pins2 {
> -					pinmux = <STM32_PINMUX('A', 11, AF9)>; /* CAN1_RX */
> -					bias-pull-up;
> -				};
> -			};
> -
> -			can1_pins_b: can1-1 {
> -				pins1 {
> -					pinmux = <STM32_PINMUX('B', 9, AF9)>; /* CAN1_TX */
> -				};
> -				pins2 {
> -					pinmux = <STM32_PINMUX('B', 8, AF9)>; /* CAN1_RX */
> -					bias-pull-up;
> -				};
> -			};
> -
> -			can1_pins_c: can1-2 {
> -				pins1 {
> -					pinmux = <STM32_PINMUX('D', 1, AF9)>; /* CAN1_TX */
> -				};
> -				pins2 {
> -					pinmux = <STM32_PINMUX('D', 0, AF9)>; /* CAN1_RX */
> -					bias-pull-up;
> -
> -				};
> -			};
> -
> -			can1_pins_d: can1-3 {
> -				pins1 {
> -					pinmux = <STM32_PINMUX('H', 13, AF9)>; /* CAN1_TX */
> -				};
> -				pins2 {
> -					pinmux = <STM32_PINMUX('H', 14, AF9)>; /* CAN1_RX */
> -					bias-pull-up;
> -
> -				};
> -			};
> -
> -			can2_pins_a: can2-0 {
> -				pins1 {
> -					pinmux = <STM32_PINMUX('B', 6, AF9)>; /* CAN2_TX */
> -				};
> -				pins2 {
> -					pinmux = <STM32_PINMUX('B', 5, AF9)>; /* CAN2_RX */
> -					bias-pull-up;
> -				};
> -			};
> -
> -			can2_pins_b: can2-1 {
> -				pins1 {
> -					pinmux = <STM32_PINMUX('B', 13, AF9)>; /* CAN2_TX */
> -				};
> -				pins2 {
> -					pinmux = <STM32_PINMUX('B', 12, AF9)>; /* CAN2_RX */
> -					bias-pull-up;
> -				};
> -			};
> -
> -			can3_pins_a: can3-0 {
> -				pins1 {
> -					pinmux = <STM32_PINMUX('A', 15, AF11)>; /* CAN3_TX */
> -				};
> -				pins2 {
> -					pinmux = <STM32_PINMUX('A', 8, AF11)>; /* CAN3_RX */
> -					bias-pull-up;
> -				};
> -			};
> -
> -			can3_pins_b: can3-1 {
> -				pins1 {
> -					pinmux = <STM32_PINMUX('B', 4, AF11)>;  /* CAN3_TX */
> -				};
> -				pins2 {
> -					pinmux = <STM32_PINMUX('B', 3, AF11)>; /* CAN3_RX */
> -					bias-pull-up;
> -				};
> -			};
> -
> -			ltdc_pins_a: ltdc-0 {
> -				pins {
> -					pinmux = <STM32_PINMUX('E', 4, AF14)>, /* LCD_B0 */
> -						 <STM32_PINMUX('G',12, AF9)>,  /* LCD_B4 */
> -						 <STM32_PINMUX('I', 9, AF14)>, /* LCD_VSYNC */
> -						 <STM32_PINMUX('I',10, AF14)>, /* LCD_HSYNC */
> -						 <STM32_PINMUX('I',14, AF14)>, /* LCD_CLK */
> -						 <STM32_PINMUX('I',15, AF14)>, /* LCD_R0 */
> -						 <STM32_PINMUX('J', 0, AF14)>, /* LCD_R1 */
> -						 <STM32_PINMUX('J', 1, AF14)>, /* LCD_R2 */
> -						 <STM32_PINMUX('J', 2, AF14)>, /* LCD_R3 */
> -						 <STM32_PINMUX('J', 3, AF14)>, /* LCD_R4 */
> -						 <STM32_PINMUX('J', 4, AF14)>, /* LCD_R5 */
> -						 <STM32_PINMUX('J', 5, AF14)>, /* LCD_R6 */
> -						 <STM32_PINMUX('J', 6, AF14)>, /* LCD_R7 */
> -						 <STM32_PINMUX('J', 7, AF14)>, /* LCD_G0 */
> -						 <STM32_PINMUX('J', 8, AF14)>, /* LCD_G1 */
> -						 <STM32_PINMUX('J', 9, AF14)>, /* LCD_G2 */
> -						 <STM32_PINMUX('J',10, AF14)>, /* LCD_G3 */
> -						 <STM32_PINMUX('J',11, AF14)>, /* LCD_G4 */
> -						 <STM32_PINMUX('J',13, AF14)>, /* LCD_B1 */
> -						 <STM32_PINMUX('J',14, AF14)>, /* LCD_B2 */
> -						 <STM32_PINMUX('J',15, AF14)>, /* LCD_B3 */
> -						 <STM32_PINMUX('K', 0, AF14)>, /* LCD_G5 */
> -						 <STM32_PINMUX('K', 1, AF14)>, /* LCD_G6 */
> -						 <STM32_PINMUX('K', 2, AF14)>, /* LCD_G7 */
> -						 <STM32_PINMUX('K', 4, AF14)>, /* LCD_B5 */
> -						 <STM32_PINMUX('K', 5, AF14)>, /* LCD_B6 */
> -						 <STM32_PINMUX('K', 6, AF14)>, /* LCD_B7 */
> -						 <STM32_PINMUX('K', 7, AF14)>; /* LCD_DE */
> -					slew-rate = <2>;
> -				};
> -			};
> -		};
> -	};
> -};
> diff --git a/arch/arm/dts/stm32f746-disco-u-boot.dtsi b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
> index 38d797e49a0..8ea4ea6c248 100644
> --- a/arch/arm/dts/stm32f746-disco-u-boot.dtsi
> +++ b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
> @@ -24,11 +24,6 @@
>  	};
>  };
>  
> -&ltdc {
> -	clocks = <&rcc 0 STM32F7_APB2_CLOCK(LTDC)>;
> -	bootph-all;
> -};
> -
>  &fmc {
>  	/* Memory configuration from sdram datasheet MT48LC_4M32_B2B5-6A */
>  	bank1: bank at 0 {
> @@ -53,8 +48,14 @@
>  	};
>  };
>  
> +&ltdc {
> +	bootph-all;
> +
> +	clocks = <&rcc 0 STM32F7_APB2_CLOCK(LTDC)>;
> +};
> +
>  &panel_rgb {
> -	compatible = "simple-panel";
> +	compatible = "rocktech,rk043fn48h", "simple-panel";
>  
>  	display-timings {
>  		timing at 0 {
> diff --git a/arch/arm/dts/stm32f746-disco.dts b/arch/arm/dts/stm32f746-disco.dts
> deleted file mode 100644
> index 43127513403..00000000000
> --- a/arch/arm/dts/stm32f746-disco.dts
> +++ /dev/null
> @@ -1,169 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0+ OR X11
> -/*
> - * Copyright 2017 - Vikas MANOCHA <vikas.manocha at st.com>
> - *
> - */
> -
> -/dts-v1/;
> -#include "stm32f746.dtsi"
> -#include "stm32f746-pinctrl.dtsi"
> -#include <dt-bindings/gpio/gpio.h>
> -#include <dt-bindings/input/input.h>
> -#include <dt-bindings/interrupt-controller/irq.h>
> -
> -/ {
> -	model = "STMicroelectronics STM32F746-DISCO board";
> -	compatible = "st,stm32f746-disco", "st,stm32f746";
> -
> -	chosen {
> -		bootargs = "root=/dev/ram";
> -		stdout-path = "serial0:115200n8";
> -	};
> -
> -	memory at c0000000 {
> -		device_type = "memory";
> -		reg = <0xC0000000 0x800000>;
> -	};
> -
> -	reserved-memory {
> -		#address-cells = <1>;
> -		#size-cells = <1>;
> -		ranges;
> -
> -		linux,cma {
> -			compatible = "shared-dma-pool";
> -			no-map;
> -			size = <0x80000>;
> -			linux,dma-default;
> -		};
> -	};
> -
> -	aliases {
> -		serial0 = &usart1;
> -	};
> -
> -	usbotg_hs_phy: usb-phy {
> -		#phy-cells = <0>;
> -		compatible = "usb-nop-xceiv";
> -		clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
> -		clock-names = "main_clk";
> -	};
> -
> -	/* This turns on vbus for otg fs for host mode (dwc2) */
> -	vcc5v_otg_fs: vcc5v-otg-fs-regulator {
> -		compatible = "regulator-fixed";
> -		gpio = <&gpiod 5 0>;
> -		regulator-name = "vcc5_host1";
> -		regulator-always-on;
> -	};
> -
> -	vcc_3v3: vcc-3v3 {
> -		compatible = "regulator-fixed";
> -		regulator-name = "vcc_3v3";
> -		regulator-min-microvolt = <3300000>;
> -		regulator-max-microvolt = <3300000>;
> -	};
> -
> -	backlight: backlight {
> -		compatible = "gpio-backlight";
> -		gpios = <&gpiok 3 GPIO_ACTIVE_HIGH>;
> -		status = "okay";
> -	};
> -
> -	panel_rgb: panel-rgb {
> -		compatible = "rocktech,rk043fn48h";
> -		power-supply = <&vcc_3v3>;
> -		backlight = <&backlight>;
> -		enable-gpios = <&gpioi 12 GPIO_ACTIVE_HIGH>;
> -		status = "okay";
> -		port {
> -			panel_in_rgb: endpoint {
> -				remote-endpoint = <&ltdc_out_rgb>;
> -			};
> -		};
> -	};
> -};
> -
> -&clk_hse {
> -	clock-frequency = <25000000>;
> -};
> -
> -&i2c1 {
> -	pinctrl-0 = <&i2c1_pins_b>;
> -	pinctrl-names = "default";
> -	i2c-scl-rising-time-ns = <185>;
> -	i2c-scl-falling-time-ns = <20>;
> -	status = "okay";
> -};
> -
> -&i2c3 {
> -	pinctrl-0 = <&i2c3_pins_a>;
> -	pinctrl-names = "default";
> -	clock-frequency = <400000>;
> -	status = "okay";
> -
> -	touchscreen at 38 {
> -		compatible = "edt,edt-ft5306";
> -		reg = <0x38>;
> -		interrupt-parent = <&gpioi>;
> -		interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
> -		touchscreen-size-x = <480>;
> -		touchscreen-size-y = <272>;
> -	};
> -};
> -
> -&ltdc {
> -	pinctrl-0 = <&ltdc_pins_a>;
> -	pinctrl-names = "default";
> -	status = "okay";
> -
> -	port {
> -		ltdc_out_rgb: endpoint {
> -			remote-endpoint = <&panel_in_rgb>;
> -		};
> -	};
> -};
> -
> -&sdio1 {
> -	status = "okay";
> -	vmmc-supply = <&vcc_3v3>;
> -	cd-gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
> -	pinctrl-names = "default", "opendrain";
> -	pinctrl-0 = <&sdio_pins_a>;
> -	pinctrl-1 = <&sdio_pins_od_a>;
> -	bus-width = <4>;
> -};
> -
> -&timers5 {
> -	/* Override timer5 to act as clockevent */
> -	compatible = "st,stm32-timer";
> -	interrupts = <50>;
> -	status = "okay";
> -	/delete-property/#address-cells;
> -	/delete-property/#size-cells;
> -	/delete-property/clock-names;
> -	/delete-node/pwm;
> -	/delete-node/timer at 4;
> -};
> -
> -&usart1 {
> -	pinctrl-0 = <&usart1_pins_b>;
> -	pinctrl-names = "default";
> -	status = "okay";
> -};
> -
> -&usbotg_fs {
> -	dr_mode = "host";
> -	pinctrl-0 = <&usbotg_fs_pins_a>;
> -	pinctrl-names = "default";
> -	status = "okay";
> -};
> -
> -&usbotg_hs {
> -	dr_mode = "host";
> -	phys = <&usbotg_hs_phy>;
> -	phy-names = "usb2-phy";
> -	pinctrl-0 = <&usbotg_hs_pins_b>;
> -	pinctrl-names = "default";
> -	status = "okay";
> -};
> diff --git a/arch/arm/dts/stm32f746-pinctrl.dtsi b/arch/arm/dts/stm32f746-pinctrl.dtsi
> deleted file mode 100644
> index fcfd2ac7239..00000000000
> --- a/arch/arm/dts/stm32f746-pinctrl.dtsi
> +++ /dev/null
> @@ -1,11 +0,0 @@
> -// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
> -/*
> - * Copyright (C) STMicroelectronics 2017 - All Rights Reserved
> - * Author: Alexandre Torgue  <alexandre.torgue at st.com> for STMicroelectronics.
> - */
> -
> -#include "stm32f7-pinctrl.dtsi"
> -
> -&pinctrl{
> -	compatible = "st,stm32f746-pinctrl";
> -};
> diff --git a/arch/arm/dts/stm32f746.dtsi b/arch/arm/dts/stm32f746.dtsi
> deleted file mode 100644
> index 79dad3192e1..00000000000
> --- a/arch/arm/dts/stm32f746.dtsi
> +++ /dev/null
> @@ -1,613 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0+ OR X11
> -/*
> - * Copyright 2015 - Maxime Coquelin <mcoquelin.stm32 at gmail.com>
> - *
> - */
> -
> -#include "armv7-m.dtsi"
> -#include <dt-bindings/clock/stm32fx-clock.h>
> -#include <dt-bindings/mfd/stm32f7-rcc.h>
> -
> -/ {
> -	#address-cells = <1>;
> -	#size-cells = <1>;
> -
> -	clocks {
> -		clk_hse: clk-hse {
> -			#clock-cells = <0>;
> -			compatible = "fixed-clock";
> -			clock-frequency = <0>;
> -		};
> -
> -		clk-lse {
> -			#clock-cells = <0>;
> -			compatible = "fixed-clock";
> -			clock-frequency = <32768>;
> -		};
> -
> -		clk-lsi {
> -			#clock-cells = <0>;
> -			compatible = "fixed-clock";
> -			clock-frequency = <32000>;
> -		};
> -
> -		clk_i2s_ckin: clk-i2s-ckin {
> -			#clock-cells = <0>;
> -			compatible = "fixed-clock";
> -			clock-frequency = <48000000>;
> -		};
> -	};
> -
> -	soc {
> -		timers2: timers at 40000000 {
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			compatible = "st,stm32-timers";
> -			reg = <0x40000000 0x400>;
> -			clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM2)>;
> -			clock-names = "int";
> -			status = "disabled";
> -
> -			pwm {
> -				compatible = "st,stm32-pwm";
> -				#pwm-cells = <3>;
> -				status = "disabled";
> -			};
> -
> -			timer at 1 {
> -				compatible = "st,stm32-timer-trigger";
> -				reg = <1>;
> -				status = "disabled";
> -			};
> -		};
> -
> -		timers3: timers at 40000400 {
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			compatible = "st,stm32-timers";
> -			reg = <0x40000400 0x400>;
> -			clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM3)>;
> -			clock-names = "int";
> -			status = "disabled";
> -
> -			pwm {
> -				compatible = "st,stm32-pwm";
> -				#pwm-cells = <3>;
> -				status = "disabled";
> -			};
> -
> -			timer at 2 {
> -				compatible = "st,stm32-timer-trigger";
> -				reg = <2>;
> -				status = "disabled";
> -			};
> -		};
> -
> -		timers4: timers at 40000800 {
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			compatible = "st,stm32-timers";
> -			reg = <0x40000800 0x400>;
> -			clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM4)>;
> -			clock-names = "int";
> -			status = "disabled";
> -
> -			pwm {
> -				compatible = "st,stm32-pwm";
> -				#pwm-cells = <3>;
> -				status = "disabled";
> -			};
> -
> -			timer at 3 {
> -				compatible = "st,stm32-timer-trigger";
> -				reg = <3>;
> -				status = "disabled";
> -			};
> -		};
> -
> -		timers5: timers at 40000c00 {
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			compatible = "st,stm32-timers";
> -			reg = <0x40000C00 0x400>;
> -			clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM5)>;
> -			clock-names = "int";
> -			status = "disabled";
> -
> -			pwm {
> -				compatible = "st,stm32-pwm";
> -				#pwm-cells = <3>;
> -				status = "disabled";
> -			};
> -
> -			timer at 4 {
> -				compatible = "st,stm32-timer-trigger";
> -				reg = <4>;
> -				status = "disabled";
> -			};
> -		};
> -
> -		timers6: timers at 40001000 {
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			compatible = "st,stm32-timers";
> -			reg = <0x40001000 0x400>;
> -			clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM6)>;
> -			clock-names = "int";
> -			status = "disabled";
> -
> -			timer at 5 {
> -				compatible = "st,stm32-timer-trigger";
> -				reg = <5>;
> -				status = "disabled";
> -			};
> -		};
> -
> -		timers7: timers at 40001400 {
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			compatible = "st,stm32-timers";
> -			reg = <0x40001400 0x400>;
> -			clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM7)>;
> -			clock-names = "int";
> -			status = "disabled";
> -
> -			timer at 6 {
> -				compatible = "st,stm32-timer-trigger";
> -				reg = <6>;
> -				status = "disabled";
> -			};
> -		};
> -
> -		timers12: timers at 40001800 {
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			compatible = "st,stm32-timers";
> -			reg = <0x40001800 0x400>;
> -			clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM12)>;
> -			clock-names = "int";
> -			status = "disabled";
> -
> -			pwm {
> -				compatible = "st,stm32-pwm";
> -				#pwm-cells = <3>;
> -				status = "disabled";
> -			};
> -
> -			timer at 11 {
> -				compatible = "st,stm32-timer-trigger";
> -				reg = <11>;
> -				status = "disabled";
> -			};
> -		};
> -
> -		timers13: timers at 40001c00 {
> -			compatible = "st,stm32-timers";
> -			reg = <0x40001C00 0x400>;
> -			clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM13)>;
> -			clock-names = "int";
> -			status = "disabled";
> -
> -			pwm {
> -				compatible = "st,stm32-pwm";
> -				#pwm-cells = <3>;
> -				status = "disabled";
> -			};
> -		};
> -
> -		timers14: timers at 40002000 {
> -			compatible = "st,stm32-timers";
> -			reg = <0x40002000 0x400>;
> -			clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM14)>;
> -			clock-names = "int";
> -			status = "disabled";
> -
> -			pwm {
> -				compatible = "st,stm32-pwm";
> -				#pwm-cells = <3>;
> -				status = "disabled";
> -			};
> -		};
> -
> -		rtc: rtc at 40002800 {
> -			compatible = "st,stm32-rtc";
> -			reg = <0x40002800 0x400>;
> -			clocks = <&rcc 1 CLK_RTC>;
> -			assigned-clocks = <&rcc 1 CLK_RTC>;
> -			assigned-clock-parents = <&rcc 1 CLK_LSE>;
> -			interrupt-parent = <&exti>;
> -			interrupts = <17 1>;
> -			st,syscfg = <&pwrcfg 0x00 0x100>;
> -			status = "disabled";
> -		};
> -
> -		can3: can at 40003400 {
> -			compatible = "st,stm32f4-bxcan";
> -			reg = <0x40003400 0x200>;
> -			interrupts = <104>, <105>, <106>, <107>;
> -			interrupt-names = "tx", "rx0", "rx1", "sce";
> -			resets = <&rcc STM32F7_APB1_RESET(CAN3)>;
> -			clocks = <&rcc 0 STM32F7_APB1_CLOCK(CAN3)>;
> -			st,gcan = <&gcan3>;
> -			status = "disabled";
> -		};
> -
> -		gcan3: gcan at 40003600 {
> -			compatible = "st,stm32f4-gcan", "syscon";
> -			reg = <0x40003600 0x200>;
> -			clocks = <&rcc 0 STM32F7_APB1_CLOCK(CAN3)>;
> -		};
> -
> -		usart2: serial at 40004400 {
> -			compatible = "st,stm32f7-uart";
> -			reg = <0x40004400 0x400>;
> -			interrupts = <38>;
> -			clocks = <&rcc 1 CLK_USART2>;
> -			status = "disabled";
> -		};
> -
> -		usart3: serial at 40004800 {
> -			compatible = "st,stm32f7-uart";
> -			reg = <0x40004800 0x400>;
> -			interrupts = <39>;
> -			clocks = <&rcc 1 CLK_USART3>;
> -			status = "disabled";
> -		};
> -
> -		usart4: serial at 40004c00 {
> -			compatible = "st,stm32f7-uart";
> -			reg = <0x40004c00 0x400>;
> -			interrupts = <52>;
> -			clocks = <&rcc 1 CLK_UART4>;
> -			status = "disabled";
> -		};
> -
> -		usart5: serial at 40005000 {
> -			compatible = "st,stm32f7-uart";
> -			reg = <0x40005000 0x400>;
> -			interrupts = <53>;
> -			clocks = <&rcc 1 CLK_UART5>;
> -			status = "disabled";
> -		};
> -
> -		i2c1: i2c at 40005400 {
> -			compatible = "st,stm32f7-i2c";
> -			reg = <0x40005400 0x400>;
> -			interrupts = <31>,
> -				     <32>;
> -			resets = <&rcc STM32F7_APB1_RESET(I2C1)>;
> -			clocks = <&rcc 1 CLK_I2C1>;
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			status = "disabled";
> -		};
> -
> -		i2c2: i2c at 40005800 {
> -			compatible = "st,stm32f7-i2c";
> -			reg = <0x40005800 0x400>;
> -			interrupts = <33>,
> -				     <34>;
> -			resets = <&rcc STM32F7_APB1_RESET(I2C2)>;
> -			clocks = <&rcc 1 CLK_I2C2>;
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			status = "disabled";
> -		};
> -
> -		i2c3: i2c at 40005c00 {
> -			compatible = "st,stm32f7-i2c";
> -			reg = <0x40005c00 0x400>;
> -			interrupts = <72>,
> -				     <73>;
> -			resets = <&rcc STM32F7_APB1_RESET(I2C3)>;
> -			clocks = <&rcc 1 CLK_I2C3>;
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			status = "disabled";
> -		};
> -
> -		i2c4: i2c at 40006000 {
> -			compatible = "st,stm32f7-i2c";
> -			reg = <0x40006000 0x400>;
> -			interrupts = <95>,
> -				     <96>;
> -			resets = <&rcc STM32F7_APB1_RESET(I2C4)>;
> -			clocks = <&rcc 1 CLK_I2C4>;
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			status = "disabled";
> -		};
> -
> -		can1: can at 40006400 {
> -			compatible = "st,stm32f4-bxcan";
> -			reg = <0x40006400 0x200>;
> -			interrupts = <19>, <20>, <21>, <22>;
> -			interrupt-names = "tx", "rx0", "rx1", "sce";
> -			resets = <&rcc STM32F7_APB1_RESET(CAN1)>;
> -			clocks = <&rcc 0 STM32F7_APB1_CLOCK(CAN1)>;
> -			st,can-primary;
> -			st,gcan = <&gcan1>;
> -			status = "disabled";
> -		};
> -
> -		gcan1: gcan at 40006600 {
> -			compatible = "st,stm32f4-gcan", "syscon";
> -			reg = <0x40006600 0x200>;
> -			clocks = <&rcc 0 STM32F7_APB1_CLOCK(CAN1)>;
> -		};
> -
> -		can2: can at 40006800 {
> -			compatible = "st,stm32f4-bxcan";
> -			reg = <0x40006800 0x200>;
> -			interrupts = <63>, <64>, <65>, <66>;
> -			interrupt-names = "tx", "rx0", "rx1", "sce";
> -			resets = <&rcc STM32F7_APB1_RESET(CAN2)>;
> -			clocks = <&rcc 0 STM32F7_APB1_CLOCK(CAN2)>;
> -			st,can-secondary;
> -			st,gcan = <&gcan1>;
> -			status = "disabled";
> -		};
> -
> -		cec: cec at 40006c00 {
> -			compatible = "st,stm32-cec";
> -			reg = <0x40006C00 0x400>;
> -			interrupts = <94>;
> -			clocks = <&rcc 0 STM32F7_APB1_CLOCK(CEC)>, <&rcc 1 CLK_HDMI_CEC>;
> -			clock-names = "cec", "hdmi-cec";
> -			status = "disabled";
> -		};
> -
> -		usart7: serial at 40007800 {
> -			compatible = "st,stm32f7-uart";
> -			reg = <0x40007800 0x400>;
> -			interrupts = <82>;
> -			clocks = <&rcc 1 CLK_UART7>;
> -			status = "disabled";
> -		};
> -
> -		usart8: serial at 40007c00 {
> -			compatible = "st,stm32f7-uart";
> -			reg = <0x40007c00 0x400>;
> -			interrupts = <83>;
> -			clocks = <&rcc 1 CLK_UART8>;
> -			status = "disabled";
> -		};
> -
> -		timers1: timers at 40010000 {
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			compatible = "st,stm32-timers";
> -			reg = <0x40010000 0x400>;
> -			clocks = <&rcc 0 STM32F7_APB2_CLOCK(TIM1)>;
> -			clock-names = "int";
> -			status = "disabled";
> -
> -			pwm {
> -				compatible = "st,stm32-pwm";
> -				#pwm-cells = <3>;
> -				status = "disabled";
> -			};
> -
> -			timer at 0 {
> -				compatible = "st,stm32-timer-trigger";
> -				reg = <0>;
> -				status = "disabled";
> -			};
> -		};
> -
> -		timers8: timers at 40010400 {
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			compatible = "st,stm32-timers";
> -			reg = <0x40010400 0x400>;
> -			clocks = <&rcc 0 STM32F7_APB2_CLOCK(TIM8)>;
> -			clock-names = "int";
> -			status = "disabled";
> -
> -			pwm {
> -				compatible = "st,stm32-pwm";
> -				#pwm-cells = <3>;
> -				status = "disabled";
> -			};
> -
> -			timer at 7 {
> -				compatible = "st,stm32-timer-trigger";
> -				reg = <7>;
> -				status = "disabled";
> -			};
> -		};
> -
> -		usart1: serial at 40011000 {
> -			compatible = "st,stm32f7-uart";
> -			reg = <0x40011000 0x400>;
> -			interrupts = <37>;
> -			clocks = <&rcc 1 CLK_USART1>;
> -			status = "disabled";
> -		};
> -
> -		usart6: serial at 40011400 {
> -			compatible = "st,stm32f7-uart";
> -			reg = <0x40011400 0x400>;
> -			interrupts = <71>;
> -			clocks = <&rcc 1 CLK_USART6>;
> -			status = "disabled";
> -		};
> -
> -		sdio2: mmc at 40011c00 {
> -			compatible = "arm,pl180", "arm,primecell";
> -			arm,primecell-periphid = <0x00880180>;
> -			reg = <0x40011c00 0x400>;
> -			clocks = <&rcc 0 STM32F7_APB2_CLOCK(SDMMC2)>;
> -			clock-names = "apb_pclk";
> -			interrupts = <103>;
> -			max-frequency = <48000000>;
> -			status = "disabled";
> -		};
> -
> -		sdio1: mmc at 40012c00 {
> -			compatible = "arm,pl180", "arm,primecell";
> -			arm,primecell-periphid = <0x00880180>;
> -			reg = <0x40012c00 0x400>;
> -			clocks = <&rcc 0 STM32F7_APB2_CLOCK(SDMMC1)>;
> -			clock-names = "apb_pclk";
> -			interrupts = <49>;
> -			max-frequency = <48000000>;
> -			status = "disabled";
> -		};
> -
> -		syscfg: syscon at 40013800 {
> -			compatible = "st,stm32-syscfg", "syscon";
> -			reg = <0x40013800 0x400>;
> -		};
> -
> -		exti: interrupt-controller at 40013c00 {
> -			compatible = "st,stm32-exti";
> -			interrupt-controller;
> -			#interrupt-cells = <2>;
> -			reg = <0x40013C00 0x400>;
> -			interrupts = <1>, <2>, <3>, <6>, <7>, <8>, <9>, <10>, <23>, <40>, <41>, <42>, <62>, <76>;
> -		};
> -
> -		timers9: timers at 40014000 {
> -			#address-cells = <1>;
> -			#size-cells = <0>;
> -			compatible = "st,stm32-timers";
> -			reg = <0x40014000 0x400>;
> -			clocks = <&rcc 0 STM32F7_APB2_CLOCK(TIM9)>;
> -			clock-names = "int";
> -			status = "disabled";
> -
> -			pwm {
> -				compatible = "st,stm32-pwm";
> -				#pwm-cells = <3>;
> -				status = "disabled";
> -			};
> -
> -			timer at 8 {
> -				compatible = "st,stm32-timer-trigger";
> -				reg = <8>;
> -				status = "disabled";
> -			};
> -		};
> -
> -		timers10: timers at 40014400 {
> -			compatible = "st,stm32-timers";
> -			reg = <0x40014400 0x400>;
> -			clocks = <&rcc 0 STM32F7_APB2_CLOCK(TIM10)>;
> -			clock-names = "int";
> -			status = "disabled";
> -
> -			pwm {
> -				compatible = "st,stm32-pwm";
> -				#pwm-cells = <3>;
> -				status = "disabled";
> -			};
> -		};
> -
> -		timers11: timers at 40014800 {
> -			compatible = "st,stm32-timers";
> -			reg = <0x40014800 0x400>;
> -			clocks = <&rcc 0 STM32F7_APB2_CLOCK(TIM11)>;
> -			clock-names = "int";
> -			status = "disabled";
> -
> -			pwm {
> -				compatible = "st,stm32-pwm";
> -				#pwm-cells = <3>;
> -				status = "disabled";
> -			};
> -		};
> -
> -		ltdc: display-controller at 40016800 {
> -			compatible = "st,stm32-ltdc";
> -			reg = <0x40016800 0x200>;
> -			interrupts = <88>, <89>;
> -			resets = <&rcc STM32F7_APB2_RESET(LTDC)>;
> -			clocks = <&rcc 1 CLK_LCD>;
> -			clock-names = "lcd";
> -			status = "disabled";
> -		};
> -
> -		pwrcfg: power-config at 40007000 {
> -			compatible = "st,stm32-power-config", "syscon";
> -			reg = <0x40007000 0x400>;
> -		};
> -
> -		crc: crc at 40023000 {
> -			compatible = "st,stm32f7-crc";
> -			reg = <0x40023000 0x400>;
> -			clocks = <&rcc 0 STM32F7_AHB1_CLOCK(CRC)>;
> -			status = "disabled";
> -		};
> -
> -		rcc: rcc at 40023800 {
> -			#reset-cells = <1>;
> -			#clock-cells = <2>;
> -			compatible = "st,stm32f746-rcc", "st,stm32-rcc";
> -			reg = <0x40023800 0x400>;
> -			clocks = <&clk_hse>, <&clk_i2s_ckin>;
> -			st,syscfg = <&pwrcfg>;
> -			assigned-clocks = <&rcc 1 CLK_HSE_RTC>;
> -			assigned-clock-rates = <1000000>;
> -		};
> -
> -		dma1: dma-controller at 40026000 {
> -			compatible = "st,stm32-dma";
> -			reg = <0x40026000 0x400>;
> -			interrupts = <11>,
> -				     <12>,
> -				     <13>,
> -				     <14>,
> -				     <15>,
> -				     <16>,
> -				     <17>,
> -				     <47>;
> -			clocks = <&rcc 0 STM32F7_AHB1_CLOCK(DMA1)>;
> -			#dma-cells = <4>;
> -			status = "disabled";
> -		};
> -
> -		dma2: dma-controller at 40026400 {
> -			compatible = "st,stm32-dma";
> -			reg = <0x40026400 0x400>;
> -			interrupts = <56>,
> -				     <57>,
> -				     <58>,
> -				     <59>,
> -				     <60>,
> -				     <68>,
> -				     <69>,
> -				     <70>;
> -			clocks = <&rcc 0 STM32F7_AHB1_CLOCK(DMA2)>;
> -			#dma-cells = <4>;
> -			st,mem2mem;
> -			status = "disabled";
> -		};
> -
> -		usbotg_hs: usb at 40040000 {
> -			compatible = "st,stm32f7-hsotg";
> -			reg = <0x40040000 0x40000>;
> -			interrupts = <77>;
> -			clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHS)>;
> -			clock-names = "otg";
> -			g-rx-fifo-size = <256>;
> -			g-np-tx-fifo-size = <32>;
> -			g-tx-fifo-size = <128 128 64 64 64 64 32 32>;
> -			status = "disabled";
> -		};
> -
> -		usbotg_fs: usb at 50000000 {
> -			compatible = "st,stm32f4x9-fsotg";
> -			reg = <0x50000000 0x40000>;
> -			interrupts = <67>;
> -			clocks = <&rcc 0 STM32F7_AHB2_CLOCK(OTGFS)>;
> -			clock-names = "otg";
> -			status = "disabled";
> -		};
> -	};
> -};
> -
> -&systick {
> -	clocks = <&rcc 1 0>;
> -	status = "okay";
> -};
> diff --git a/arch/arm/dts/stm32f769-disco-u-boot.dtsi b/arch/arm/dts/stm32f769-disco-u-boot.dtsi
> index 7c99a6e61b6..8413264a73c 100644
> --- a/arch/arm/dts/stm32f769-disco-u-boot.dtsi
> +++ b/arch/arm/dts/stm32f769-disco-u-boot.dtsi
> @@ -23,57 +23,13 @@
>  		spi0 = &qspi;
>  	};
>  
> -	panel: panel {
> -		compatible = "orisetech,otm8009a";
> -		reset-gpios = <&gpioj 15 1>;
> -		status = "okay";
> -
> -		port {
> -			panel_in: endpoint {
> -				remote-endpoint = <&dsi_out>;
> -			};
> -		};
> -	};
> -
> -	soc {
> -		dsi: dsi at 40016c00 {
> -			compatible = "st,stm32-dsi";
> -			reg = <0x40016c00 0x800>;
> -			resets = <&rcc STM32F7_APB2_RESET(DSI)>;
> -			clocks = <&rcc 0 STM32F7_APB2_CLOCK(DSI)>,
> -				  <&rcc 0 STM32F7_APB2_CLOCK(LTDC)>,
> -				  <&clk_hse>;
> -			clock-names = "pclk", "px_clk", "ref";
> -			bootph-all;
> -			status = "okay";
> -
> -			ports {
> -				port at 0 {
> -					dsi_out: endpoint {
> -						remote-endpoint = <&panel_in>;
> -					};
> -				};
> -				port at 1 {
> -					dsi_in: endpoint {
> -						remote-endpoint = <&dp_out>;
> -					};
> -				};
> -			};
> -		};
> -	};
>  };
>  
> -&ltdc {
> -	clocks = <&rcc 0 STM32F7_APB2_CLOCK(LTDC)>;
> -	bootph-all;
> -
> -	ports {
> -		port at 0 {
> -			dp_out: endpoint {
> -				remote-endpoint = <&dsi_in>;
> -			};
> -		};
> -	};
> +&dsi {
> +	clocks = <&rcc 0 STM32F7_APB2_CLOCK(DSI)>,
> +		 <&rcc 0 STM32F7_APB2_CLOCK(LTDC)>,
> +		 <&clk_hse>;
> +	clock-names = "pclk", "px_clk", "ref";
>  };
>  
>  &fmc {
> @@ -100,6 +56,12 @@
>  	};
>  };
>  
> +&ltdc {
> +	bootph-all;
> +
> +	clocks = <&rcc 0 STM32F7_APB2_CLOCK(LTDC)>;
> +};
> +
>  &pinctrl {
>  	ethernet_mii: mii at 0 {
>  		pins {
> diff --git a/arch/arm/dts/stm32f769-disco.dts b/arch/arm/dts/stm32f769-disco.dts
> deleted file mode 100644
> index d63cd2ba7eb..00000000000
> --- a/arch/arm/dts/stm32f769-disco.dts
> +++ /dev/null
> @@ -1,133 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0+ OR X11
> -/*
> - * Copyright 2017 - Vikas MANOCHA <vikas.manocha at st.com>
> - *
> - */
> -
> -/dts-v1/;
> -#include "stm32f746.dtsi"
> -#include "stm32f769-pinctrl.dtsi"
> -#include <dt-bindings/input/input.h>
> -#include <dt-bindings/gpio/gpio.h>
> -
> -/ {
> -	model = "STMicroelectronics STM32F769-DISCO board";
> -	compatible = "st,stm32f769-disco", "st,stm32f769";
> -
> -	chosen {
> -		bootargs = "root=/dev/ram";
> -		stdout-path = "serial0:115200n8";
> -	};
> -
> -	memory at c0000000 {
> -		device_type = "memory";
> -		reg = <0xC0000000 0x1000000>;
> -	};
> -
> -	aliases {
> -		serial0 = &usart1;
> -	};
> -
> -	leds {
> -		compatible = "gpio-leds";
> -		led-green {
> -			gpios = <&gpioj 5 GPIO_ACTIVE_HIGH>;
> -			linux,default-trigger = "heartbeat";
> -		};
> -		led-red {
> -			gpios = <&gpioj 13 GPIO_ACTIVE_HIGH>;
> -		};
> -	};
> -
> -	gpio-keys {
> -		compatible = "gpio-keys";
> -		autorepeat;
> -		button-0 {
> -			label = "User";
> -			linux,code = <KEY_HOME>;
> -			gpios = <&gpioa 0 GPIO_ACTIVE_HIGH>;
> -		};
> -	};
> -
> -	usbotg_hs_phy: usb-phy {
> -		#phy-cells = <0>;
> -		compatible = "usb-nop-xceiv";
> -		clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
> -		clock-names = "main_clk";
> -	};
> -
> -	mmc_vcard: mmc_vcard {
> -		compatible = "regulator-fixed";
> -		regulator-name = "mmc_vcard";
> -		regulator-min-microvolt = <3300000>;
> -		regulator-max-microvolt = <3300000>;
> -	};
> -};
> -
> -&rcc {
> -	compatible = "st,stm32f769-rcc", "st,stm32f746-rcc", "st,stm32-rcc";
> -};
> -
> -&cec {
> -	pinctrl-0 = <&cec_pins_a>;
> -	pinctrl-names = "default";
> -	status = "okay";
> -};
> -
> -&clk_hse {
> -	clock-frequency = <25000000>;
> -};
> -
> -&i2c1 {
> -	pinctrl-0 = <&i2c1_pins_b>;
> -	pinctrl-names = "default";
> -	i2c-scl-rising-time-ns = <185>;
> -	i2c-scl-falling-time-ns = <20>;
> -	status = "okay";
> -};
> -
> -&ltdc {
> -	status = "okay";
> -};
> -
> -&rtc {
> -	status = "okay";
> -};
> -
> -&sdio2 {
> -	status = "okay";
> -	vmmc-supply = <&mmc_vcard>;
> -	cd-gpios = <&gpioi 15 GPIO_ACTIVE_LOW>;
> -	broken-cd;
> -	pinctrl-names = "default", "opendrain";
> -	pinctrl-0 = <&sdio_pins_b>;
> -	pinctrl-1 = <&sdio_pins_od_b>;
> -	bus-width = <4>;
> -};
> -
> -&timers5 {
> -	/* Override timer5 to act as clockevent */
> -	compatible = "st,stm32-timer";
> -	interrupts = <50>;
> -	status = "okay";
> -	/delete-property/#address-cells;
> -	/delete-property/#size-cells;
> -	/delete-property/clock-names;
> -	/delete-node/pwm;
> -	/delete-node/timer at 4;
> -};
> -
> -&usart1 {
> -	pinctrl-0 = <&usart1_pins_a>;
> -	pinctrl-names = "default";
> -	status = "okay";
> -};
> -
> -&usbotg_hs {
> -	dr_mode = "otg";
> -	phys = <&usbotg_hs_phy>;
> -	phy-names = "usb2-phy";
> -	pinctrl-0 = <&usbotg_hs_pins_a>;
> -	pinctrl-names = "default";
> -	status = "okay";
> -};
> diff --git a/arch/arm/dts/stm32f769-pinctrl.dtsi b/arch/arm/dts/stm32f769-pinctrl.dtsi
> deleted file mode 100644
> index 31005dd9929..00000000000
> --- a/arch/arm/dts/stm32f769-pinctrl.dtsi
> +++ /dev/null
> @@ -1,11 +0,0 @@
> -// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
> -/*
> - * Copyright (C) STMicroelectronics 2017 - All Rights Reserved
> - * Author: Alexandre Torgue  <alexandre.torgue at st.com> for STMicroelectronics.
> - */
> -
> -#include "stm32f7-pinctrl.dtsi"
> -
> -&pinctrl{
> -	compatible = "st,stm32f769-pinctrl";
> -};
> diff --git a/arch/arm/mach-stm32/Kconfig b/arch/arm/mach-stm32/Kconfig
> index 0824ee320d0..031fb9a934c 100644
> --- a/arch/arm/mach-stm32/Kconfig
> +++ b/arch/arm/mach-stm32/Kconfig
> @@ -32,6 +32,7 @@ config STM32F7
>  	select STM32_TIMER
>  	select SUPPORT_SPL
>  	select TIMER
> +	imply OF_UPSTREAM
>  	imply SPL_OS_BOOT
>  
>  config STM32H7
> diff --git a/configs/stm32746g-eval_defconfig b/configs/stm32746g-eval_defconfig
> index bd3a48b20a2..c95cb60b0fb 100644
> --- a/configs/stm32746g-eval_defconfig
> +++ b/configs/stm32746g-eval_defconfig
> @@ -6,7 +6,7 @@ CONFIG_NR_DRAM_BANKS=1
>  CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
>  CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x20050000
>  CONFIG_ENV_SIZE=0x2000
> -CONFIG_DEFAULT_DEVICE_TREE="stm32746g-eval"
> +CONFIG_DEFAULT_DEVICE_TREE="st/stm32746g-eval"
>  CONFIG_OF_LIBFDT_OVERLAY=y
>  CONFIG_SYS_MONITOR_LEN=524288
>  CONFIG_SYS_LOAD_ADDR=0x8008000
> @@ -20,6 +20,7 @@ CONFIG_AUTOBOOT_STOP_STR=" "
>  CONFIG_USE_BOOTARGS=y
>  CONFIG_BOOTARGS="console=ttyS0,115200 earlyprintk consoleblank=0 ignore_loglevel"
>  CONFIG_SYS_PBSIZE=1050
> +CONFIG_DEFAULT_FDT_FILE="stm32746g-eval"
>  # CONFIG_DISPLAY_CPUINFO is not set
>  CONFIG_SYS_PROMPT="U-Boot > "
>  CONFIG_CMD_GPT=y
> diff --git a/configs/stm32746g-eval_spl_defconfig b/configs/stm32746g-eval_spl_defconfig
> index d47d059d23b..8a0b1e21fb5 100644
> --- a/configs/stm32746g-eval_spl_defconfig
> +++ b/configs/stm32746g-eval_spl_defconfig
> @@ -9,7 +9,7 @@ CONFIG_NR_DRAM_BANKS=1
>  CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
>  CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x20050000
>  CONFIG_ENV_SIZE=0x2000
> -CONFIG_DEFAULT_DEVICE_TREE="stm32746g-eval"
> +CONFIG_DEFAULT_DEVICE_TREE="st/stm32746g-eval"
>  CONFIG_OF_LIBFDT_OVERLAY=y
>  CONFIG_SYS_MONITOR_LEN=524288
>  CONFIG_SPL_SERIAL=y
> @@ -28,6 +28,7 @@ CONFIG_AUTOBOOT_PROMPT="Hit SPACE in %d seconds to stop autoboot.\n"
>  CONFIG_AUTOBOOT_STOP_STR=" "
>  CONFIG_USE_BOOTARGS=y
>  CONFIG_BOOTARGS="console=ttyS0,115200 earlyprintk consoleblank=0 ignore_loglevel"
> +CONFIG_DEFAULT_FDT_FILE="stm32746g-eval"
>  CONFIG_SYS_PBSIZE=1050
>  # CONFIG_DISPLAY_CPUINFO is not set
>  CONFIG_SPL_PAD_TO=0x9000
> diff --git a/configs/stm32f746-disco_defconfig b/configs/stm32f746-disco_defconfig
> index f6fbf83f68f..2d18d777a00 100644
> --- a/configs/stm32f746-disco_defconfig
> +++ b/configs/stm32f746-disco_defconfig
> @@ -6,7 +6,7 @@ CONFIG_NR_DRAM_BANKS=1
>  CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
>  CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x20050000
>  CONFIG_ENV_SIZE=0x2000
> -CONFIG_DEFAULT_DEVICE_TREE="stm32f746-disco"
> +CONFIG_DEFAULT_DEVICE_TREE="st/stm32f746-disco"
>  CONFIG_OF_LIBFDT_OVERLAY=y
>  CONFIG_SYS_MONITOR_LEN=524288
>  CONFIG_SYS_LOAD_ADDR=0x8008000
> @@ -19,6 +19,7 @@ CONFIG_AUTOBOOT_PROMPT="Hit SPACE in %d seconds to stop autoboot.\n"
>  CONFIG_AUTOBOOT_STOP_STR=" "
>  CONFIG_USE_BOOTARGS=y
>  CONFIG_BOOTARGS="console=ttyS0,115200 earlyprintk consoleblank=0 ignore_loglevel"
> +CONFIG_DEFAULT_FDT_FILE="stm32f746-disco"
>  CONFIG_SYS_PBSIZE=1050
>  # CONFIG_DISPLAY_CPUINFO is not set
>  CONFIG_SYS_PROMPT="U-Boot > "
> diff --git a/configs/stm32f746-disco_spl_defconfig b/configs/stm32f746-disco_spl_defconfig
> index dcf077dbfee..8a8f506959b 100644
> --- a/configs/stm32f746-disco_spl_defconfig
> +++ b/configs/stm32f746-disco_spl_defconfig
> @@ -9,7 +9,7 @@ CONFIG_NR_DRAM_BANKS=1
>  CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
>  CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x20050000
>  CONFIG_ENV_SIZE=0x2000
> -CONFIG_DEFAULT_DEVICE_TREE="stm32f746-disco"
> +CONFIG_DEFAULT_DEVICE_TREE="st/stm32f746-disco"
>  CONFIG_OF_LIBFDT_OVERLAY=y
>  CONFIG_SYS_MONITOR_LEN=524288
>  CONFIG_SPL_SERIAL=y
> @@ -28,6 +28,7 @@ CONFIG_AUTOBOOT_PROMPT="Hit SPACE in %d seconds to stop autoboot.\n"
>  CONFIG_AUTOBOOT_STOP_STR=" "
>  CONFIG_USE_BOOTARGS=y
>  CONFIG_BOOTARGS="console=ttyS0,115200 earlyprintk consoleblank=0 ignore_loglevel"
> +CONFIG_DEFAULT_FDT_FILE="stm32f746-disco"
>  CONFIG_SYS_PBSIZE=1050
>  # CONFIG_DISPLAY_CPUINFO is not set
>  CONFIG_SPL_PAD_TO=0x9000
> diff --git a/configs/stm32f769-disco_defconfig b/configs/stm32f769-disco_defconfig
> index 9edda0e36b2..0f145f2c8f4 100644
> --- a/configs/stm32f769-disco_defconfig
> +++ b/configs/stm32f769-disco_defconfig
> @@ -6,7 +6,7 @@ CONFIG_NR_DRAM_BANKS=1
>  CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
>  CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x20050000
>  CONFIG_ENV_SIZE=0x2000
> -CONFIG_DEFAULT_DEVICE_TREE="stm32f769-disco"
> +CONFIG_DEFAULT_DEVICE_TREE="st/stm32f769-disco"
>  CONFIG_OF_LIBFDT_OVERLAY=y
>  CONFIG_SYS_MONITOR_LEN=524288
>  CONFIG_SYS_LOAD_ADDR=0x8008000
> @@ -19,6 +19,7 @@ CONFIG_AUTOBOOT_PROMPT="Hit SPACE in %d seconds to stop autoboot.\n"
>  CONFIG_AUTOBOOT_STOP_STR=" "
>  CONFIG_USE_BOOTARGS=y
>  CONFIG_BOOTARGS="console=ttySTM0,115200n8 earlyprintk consoleblank=0 ignore_loglevel"
> +CONFIG_DEFAULT_FDT_FILE="stm32f769-disco"
>  CONFIG_SYS_PBSIZE=1050
>  # CONFIG_DISPLAY_CPUINFO is not set
>  CONFIG_CYCLIC_MAX_CPU_TIME_US=8000
> @@ -52,6 +53,7 @@ CONFIG_DW_ALTDESCRIPTOR=y
>  CONFIG_MII=y
>  # CONFIG_PINCTRL_FULL is not set
>  CONFIG_DM_REGULATOR=y
> +CONFIG_DM_REGULATOR_FIXED=y
>  CONFIG_SPI=y
>  CONFIG_DM_SPI=y
>  CONFIG_STM32_QSPI=y
> diff --git a/configs/stm32f769-disco_spl_defconfig b/configs/stm32f769-disco_spl_defconfig
> index 7d4bda44068..6a3cdd4a0e4 100644
> --- a/configs/stm32f769-disco_spl_defconfig
> +++ b/configs/stm32f769-disco_spl_defconfig
> @@ -9,7 +9,7 @@ CONFIG_NR_DRAM_BANKS=1
>  CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
>  CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x20050000
>  CONFIG_ENV_SIZE=0x2000
> -CONFIG_DEFAULT_DEVICE_TREE="stm32f769-disco"
> +CONFIG_DEFAULT_DEVICE_TREE="st/stm32f769-disco"
>  CONFIG_OF_LIBFDT_OVERLAY=y
>  CONFIG_SYS_MONITOR_LEN=524288
>  CONFIG_SPL_SERIAL=y
> @@ -28,6 +28,7 @@ CONFIG_AUTOBOOT_PROMPT="Hit SPACE in %d seconds to stop autoboot.\n"
>  CONFIG_AUTOBOOT_STOP_STR=" "
>  CONFIG_USE_BOOTARGS=y
>  CONFIG_BOOTARGS="console=ttyS0,115200 earlyprintk consoleblank=0 ignore_loglevel"
> +CONFIG_DEFAULT_FDT_FILE="stm32f769-disco"
>  CONFIG_SYS_PBSIZE=1050
>  # CONFIG_DISPLAY_CPUINFO is not set
>  CONFIG_CYCLIC_MAX_CPU_TIME_US=8000
> @@ -75,6 +76,7 @@ CONFIG_MII=y
>  # CONFIG_PINCTRL_FULL is not set
>  CONFIG_SPL_PINCTRL=y
>  CONFIG_DM_REGULATOR=y
> +CONFIG_DM_REGULATOR_FIXED=y
>  CONFIG_SPL_RAM=y
>  CONFIG_SPECIFY_CONSOLE_INDEX=y
>  CONFIG_SPI=y
> diff --git a/include/configs/stm32f746-disco.h b/include/configs/stm32f746-disco.h
> index 00ec9efba57..e6f8dee668d 100644
> --- a/include/configs/stm32f746-disco.h
> +++ b/include/configs/stm32f746-disco.h
> @@ -30,7 +30,7 @@
>  #include <config_distro_bootcmd.h>
>  #define CFG_EXTRA_ENV_SETTINGS				\
>  			"kernel_addr_r=0xC0008000\0"		\
> -			"fdtfile="CONFIG_DEFAULT_DEVICE_TREE".dtb\0"	\
> +			"fdtfile="CONFIG_DEFAULT_FDT_FILE".dtb\0"	\
>  			"fdt_addr_r=0xC0408000\0"		\
>  			"scriptaddr=0xC0418000\0"		\
>  			"pxefile_addr_r=0xC0428000\0" \
Applied to u-boot-stm32/master

Thanks
Patrice


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