spi: stm32: introduce compatible data cfg

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Prepare support for STM32F4 spi variant by introducing compatible
configuration data.
Move STM32H7 specific stuff to compatible data structure:
 - registers & bit fields
 - routines to control driver
 - baud rate divisor definitions
 - fifo availability
 - split IRQ functions to parts to be called when the IRQ occurs
   and for threaded interrupt what helps to provide less discontinuous
   mode for drivers without FIFO.

Signed-off-by: Cezary Gapinski <cezary.gapinski@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Cezary Gapinski 2018-12-24 23:00:37 +01:00 • committed by Mark Brown

parent f8bb12f2fa

commit 55166853b2

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1 changed files with 236 additions and 101 deletions

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drivers/spi/spi-stm32.c

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