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Haibo Chen 29504b7304 spi: spi-nxp-fspi: Add OCT-DTR mode support
[ Upstream commit 0f67557763 ]

Add OCT-DTR mode support in default, since flexspi do not supports
swapping bytes on a 16 bit boundary in OCT-DTR mode, so mark swap16
as false.

lx2160a do not support DQS, so add a quirk to disable DTR mode for this
platform.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20250917-flexspi-ddr-v2-5-bb9fe2a01889@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Stable-dep-of: 40ad64ac25 ("spi: nxp-fspi: Propagate fwnode in ACPI case as well")
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-12-07 06:24:57 +09:00
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Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.