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Fong, Yan Kei a025e1fb35 arm64: dts: socfpga: agilex5: Add 4-bit SPI bus width
Add spi-tx-bus-width and spi-rx-bus-width properties with value 4 to the
agilex5 device tree. This update configures the SPI controller to use a
4-bit bus width for both transmission and reception, potentially improving
SPI throughput and matching the hardware capabilities more closely.

Signed-off-by: Fong, Yan Kei <yan.kei.fong@altera.com>
Reviewed-by: Khairul Anuar Romli <khairul.anuar.romli@altera.com>
Reviewed-by: Matthew Gerlach <matthew.gerlach@altera.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
History 2025-10-14 22:07:56 -05:00
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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.