In the previous email, I mentioned that the FPGA hardware(SPI block) was connected to the Linux system using the PCIe interface. Here, when I refer to the Linux system, I mean an x86-based Linux system, not an ARM-based embedded system. On Fri, Aug 18, 2023 at 7:28 PM Raul Piper <raulpblooper@xxxxxxxxx> wrote: > > Have you gone through the bindings documentation for spi driver? > What are the pin configuration for your hardware sli? > Br > > On Fri, 18 Aug 2023 at 6:40 PM, Muni Sekhar <munisekharrms@xxxxxxxxx> wrote: >> >> Dear Linux Kernel Community, >> >> I hope this email finds you well. >> I am writing to seek your guidance and assistance regarding the >> development of a new SPI device driver for our hardware system. >> Our hardware, implemented on an FPGA, features an SPI interface that >> acts as a Master, offering two distinct modes for data transmission >> and reception. >> This hardware is connected to the Linux system via the PCIe bus. >> This hardware offers two modes for communication: using registers for >> debugging purposes and utilizing DMA channels for high-bandwidth >> applications. Both modes leverage the PCIe interface for data >> exchange. >> The hardware boasts several noteworthy features, including support for >> multiple speed settings, SPI port switching, configurable sample edge >> programming, and adjustable SPI transfer sizes. >> >> As we embark on the task of developing a device driver for this SPI >> interface, we intend to follow best practices and leverage existing >> resources within the Mainline Linux kernel tree. To achieve this, we >> plan to refer to and adapt existing SPI drivers. >> We kindly request your recommendations on which existing SPI driver >> within the Mainline Linux kernel tree would serve as the most suitable >> reference for our endeavor. Your invaluable expertise would greatly >> aid us in ensuring the success of this driver development process. >> Thank you for your time and consideration. We eagerly anticipate your >> guidance and insights. >> >> Warm regards, >> Sekhar >> >> _______________________________________________ >> Kernelnewbies mailing list >> Kernelnewbies@xxxxxxxxxxxxxxxxx >> https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies -- Thanks, Sekhar _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
