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* Generalise three-wire interface to generic SPI interface.Michael Brown2006-06-141-0/+165
| | | | | Update rtl8139 driver to instantiate an SPI interface with a three-wire device attached.
* Move per-transition delays from generic bit-bashing layer to i2c layerMichael Brown2006-06-142-8/+15
| | | | (since SPI bit-bashing will require different delay semantics).
* Change read_bit() to return 0 or -1UL, rather than 0 or 1.Michael Brown2006-06-122-3/+5
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* Added bit-bashing i2c interface codeMichael Brown2006-06-111-0/+313
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* Added sketch of bit-bashing interface common codeMichael Brown2006-06-081-0/+55