Seitenhistorie

...

mkdir lab3
cd lab3
git clone git://git.buildroot.net/buildroot
cd buildroot
git checkout -b bme280 2020.05.3
make stm32mp157astm32mp157c_dk1dk2_defconfig
make menuconfig
make

...

At this point, our linux/ folder contains the exact same source code as what Buildroot has retrieved. It is time to make our Device Tree change by editing arch/arm/boot/dts/stm32mp157astm32mp157c-dk1dk2.dts and at the end of it, add:

...

If you look closely at what Buildroot will do, it will do a rsync of the Linux kernel source code from your linux/ Git repository to output/build/linux-custom in Buildroot, and then do the build. You can check output/build/linux-custom/arch/arm/boot/dts/stm32mp157c-dk2.dtsto make sure that your I2C5 change is there!

...