spi: fsl-espi: add support for dual output read mode

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This patch adds support for dual output read mode.

It was successfully tested on a P1014-based device with S25FL128S
SPINOR flash. With 50MHz SPI clock the read rate is 11MByte/s.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Heiner Kallweit 2016-11-09 22:58:34 +01:00 • committed by Mark Brown

parent aca75157d9

commit 8263cb33c8

1 changed files with 12 additions and 1 deletions

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drivers/spi/spi-fsl-espi.c

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