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spi: spi-fsl-dspi: Enable extended SPI mode
authorEsben Haabendal <eha@deif.com>
Wed, 20 Jun 2018 07:34:42 +0000 (09:34 +0200)
committerMark Brown <broonie@kernel.org>
Wed, 20 Jun 2018 13:48:27 +0000 (14:48 +0100)
commit3e7cc6252dc81100bd2803b3148a1e59b3dfae6a
tree6a7986a4f992525cb5b5cbaca6fd1aff6233325btree
parent35c9d461a436101a31d4ece7e5de5f4df6b59a5ecommit | diff
spi: spi-fsl-dspi: Enable extended SPI mode

Set the XSPI bit for devices configured for XSPI mode (currently LS1021A),
and thereby switch to extended SPI mode, allowing for SPI transfers using
from 4 to 32 bits per word instead of 4 to 16 bits per word.

Signed-off-by: Esben Haabendal <eha@deif.com>
Acked-by: Martin Hundebøll <martin@geanix.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-fsl-dspi.c diff | blob | blame | history
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