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rshal2's avatar
rshal2
Icon for Occasional Contributor rankOccasional Contributor
6 years ago

probe function for qspi is not called

Hello, I am using latest linux-socfpga with arria5. https://github.com/altera-opensource/linux-socfpga The kernel does not detect any mtd device (qspi) on board. The problem is that I don't see t...
AnilErinch_A_Intel's avatar
AnilErinch_A_Intel
Icon for Frequent Contributor rankFrequent Contributor
6 years ago

Hi ,

The usage of the compatible property in dts is "<manufacturer>,<model>"

what you have given earlier is the part number of the flash chip.

HPS is composed of multiple peripherals IPs like that of QSPI Flash, The usage compatible = "cdns,qspi-nor" is the correct way.Because that specifies the IP of flash controller which in turn will work with the Flash chip to control it.

For clarification regarding the usage of properties in dts you can refer here

https://elinux.org/Device_Tree_Usage#Understanding_the_compatible_Property