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Currently both DW PCIe Root Port and End-point DT bindings are defined as
separate schemas. Carefully looking at them, at the hardware reference
manuals and seeing there is a generic part of the driver used by the both
RP and EP drivers we can greatly simplify the DW PCIe controller bindings
by moving some of the properties into the common DT schema. It concerns
the PERST GPIO control, number of lanes, number of iATU windows and CDM
check properties. They will be defined in the snps,dw-pcie-common.yaml
schema which will be referenced in the DW PCIe Root Port and End-point DT
bindings in order to evaluate the common for both of these controllers
properties. The rest of properties like reg{,-names}, clock{s,-names},
reset{s,-names}, etc will be consolidate there in one of the next commits.
Link: https://lore.kernel.org/r/20221113191301.5526-4-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
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.