spi: add a method for configuring CS timing

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This patch creates set_cs_timing SPI master optional method for
SPI masters to implement configuring CS timing if applicable.

This patch also creates spi_cs_timing accessory for SPI clients to
use for requesting SPI master controllers to configure device requested
CS setup time, hold time and inactive delay.

Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Sowjanya Komatineni 2019-04-04 17:14:16 -07:00 • committed by Mark Brown

parent 24496da692

commit f1ca9992ce

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15

drivers/spi/spi.c

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15

include/linux/spi/spi.h

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