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spi: fsl-espi: add support for dual output read mode
authorHeiner Kallweit <hkallweit1@gmail.com>
Wed, 9 Nov 2016 21:58:34 +0000 (22:58 +0100)
committerMark Brown <broonie@kernel.org>
Fri, 11 Nov 2016 16:00:01 +0000 (16:00 +0000)
commit8263cb33c8636e4b333d97ef5995a2b484ea48ea
tree9321bbc7547bca95086f242fc8b72c6553a17a84tree | snapshot
parentaca75157d9beb7b171a178446ecdb4d047b9f934commit | diff
spi: fsl-espi: add support for dual output read mode

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>
drivers/spi/spi-fsl-espi.c diff | blob | history
Domain: System / Kernel;