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spi2: allow optional CS pin in SPIInterface #109
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Matches capability in differential versions
drewrisinger
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Adds option to not supply CS pins to SPIInterface class.
Matches the capability in the iCE & XC7 differential SPI classes.
TODO:
python ./misoc/cores/spi2.py, and also by removing "cs_n" item from the in-file testmisoc/misoc/cores/spi2.py
Line 591 in dad351a