I am developing a driver for a hardware whose datasheet says it has a 4 wire Serial interface .DataIN/OUT,Clock,CS .Does it means I can develop a full fledged SPI driver on Linux to use it. To add more when the CLK has n-n+1(say 3-4) rising edge with LE = 1 certain control register will be written .Value of n depends on the type of control register. Will it be good to develop a SPI driver for this or this can be achieved better by using the GPIOs(setting/resetting the CLK,Data Lines) .
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