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The adaptor can be found on development boards for 78k, RL78 and V850 microcontrollers produced by Renesas Electronics Corporation. This is not a full-featured USB to serial converter, however it allows basic communication and simple control which is enough for programming of on-board flash and debugging through a debug monitor. uPD78F0730 is a USB-enabled microcontroller with USB-to-UART conversion implemented in firmware. This chip is also present in some debugging adaptors which use it for USB-to-SPI conversion as well. The present driver doesn't cover SPI, only USB-to-UART conversion is supported. Signed-off-by: Maksim Salau <maksim.salau@gmail.com> Signed-off-by: Johan Hovold <johan@kernel.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.