i2c: mv64xxx: make the registers offset configurable
The Allwinner i2c controller uses the same logic as the Marvell one, but with slightly different register offsets. Introduce a structure that will be passed by either the pdata or associated to the compatible strings, and that holds the various registers that might be needed. Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com> Tested-by: NSebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Tested-by: NAndrew Lunn <andrew@lunn.ch> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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