[PATCH v2] configs: stm32mp25: Enable OF_UPSTREAM_BUILD_VENDOR

[Patrice CHOTARD]

On 8/14/25 15:37, Marek Vasut wrote:
> On 8/14/25 2:09 PM, Patrice Chotard wrote:
>> Initially, only one STM32MP25 based board was available, the
>> stm32mp257f-ev1 board which was set by default in stm32mp25_defconfig.
>>
>> Since commit 79f3e77133bd ("Subtree merge tag 'v6.16-dts' of dts repo [1] into dts/upstream")
>> we inherited of a second MP25 based board which is the stm32mp257f-dk board.
>>
>> Enable OF_UPSTREAM_BUILD_VENDOR and set OF_UPSTREAM_VENDOR to allow all
>> STMicroelectronics DT compilation.
> If I build stm32mp25_defconfig , I can run the result on both EV1 and DK now ?
> 

With this patch yes

> It seems only the EV1 DT is built into the binary, so why compile all DTs ?

By default yes, only EV1 DT is built. that's why OF_UPSTREAM_BUILD_VENDOR is needed to 
allow all other st/*.dtb to be built.

> 
> $ grep TREE configs/stm32mp25_defconfig
> CONFIG_DEFAULT_DEVICE_TREE="st/stm32mp257f-ev1"
> 

Currently if you try to build U-Boot for stm32mp257f-dk board using the following commands:

make stm32mp25_defconfig
make DEVICE_TREE=st/stm32mp257f-dk

You ended up with the following error:

....
  CC      lib/rtc-lib.o
  AR      lib/built-in.a
  AR      examples/built-in.a
  LD      u-boot
  OBJCOPY u-boot.srec
  OBJCOPY u-boot-nodtb.bin
  SYM     u-boot.sym
  RELOC   u-boot-nodtb.bin
  DTC     dts/upstream/src/arm64/st/stm32mp257f-ev1.dtb

Device Tree Source (dts/upstream/src/arm64/st/stm32mp257f-dk.dtb) is not correctly specified.
Please define 'CONFIG_DEFAULT_DEVICE_TREE'
or build with 'DEVICE_TREE=<device_tree>' argument

make[1]: *** [dts/Makefile:50: dts/upstream/src/arm64/st/stm32mp257f-dk.dtb] Error 1
make: *** [Makefile:1372: dts/dt.dtb] Error 2


With this patch, the build is successful