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This page details how the U-Boot/Linux Device Tree (DT) files are created. The process is illustrated in the following image.
The first step consists of creating a .ioc file with the help of the [https://www.st.com/en/development-tools/stm32cubemx.html STM32CubeMX ] tool. The file is named DCSB5000DD1R.ioc because it is strictly associated with the hardware configuration of the SBC ETRA included in the evaluation kit, whose model version is indeed [[1]].
STM32CubeMX is then used for exporting a set of intermediate files including the Device Trees. These DTs are subsequently tweaked by hand to add further hardware-specific stuff that it is not possible to handle with STM32CubeMX. The final DTs, along with other files, are eventually pushed to the GitLab repositories accessible by the customers.