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Synopsys AHCI SATA controller is mainly compatible with the generic AHCI SATA controller except a few peculiarities and the platform environment requirements. In particular it can have at least two reference clocks to feed up its AHB/AXI interface and SATA PHYs domain and at least one reset control for the application clock domain. In addition to that the DMA interface of each port can be tuned up to work with the predefined maximum data chunk size. Note unlike generic AHCI controller DWC AHCI can't have more than 8 ports. All of that is reflected in the new DWC AHCI SATA device DT binding. Note the DWC AHCI SATA controller DT-schema has been created in a way so to be reused for the vendor-specific DT-schemas (see for example the "snps,dwc-ahci" compatible string binding). One of which we are about to introduce. Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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 Restructured Text 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.