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Krishna Chaitanya Chundru 38fcbfbd42 dt-bindings: PCI: qcom: Move PHY & reset GPIO to Root Port node
Move the phys, phy-names, reset-gpios properties to the PCIe Root Port node
from Host Bridge node, as agreed upon here [1].

Update the qcom,pcie-common.yaml to include the 'phys' property in the Root
Port node. 'phy-names' property is not needed in Root Port since each Root
Port supports only one PHY. Also, there is already 'reset-gpios' property
defined for PERST# in pci-bus-common.yaml, so use that property instead of
'perst-gpios'.

For backward compatibility, do not remove any existing properties in the
bridge node, but mark them as 'deprecated' instead.

[1] https://lore.kernel.org/linux-pci/20241211192014.GA3302752@bhelgaas/

Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
[mani: commit message rewording]
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20250702-perst-v5-1-920b3d1f6ee1@qti.qualcomm.com
History 2025-07-15 13:22:04 -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.