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Ivan Vecera 0afcee10dd dt-bindings: dpll: Add DPLL device and pin
Add a common DT schema for DPLL device and its associated pins.
The DPLL (device phase-locked loop) is a device used for precise clock
synchronization in networking and telecom hardware.

The device includes one or more DPLLs (channels) and one or more
physical input/output pins.

Each DPLL channel is used either to provide a pulse-per-clock signal or
to drive an Ethernet equipment clock.

The input and output pins have the following properties:
* label: specifies board label
* connection type: specifies its usage depending on wiring
* list of supported or allowed frequencies: depending on how the pin
  is connected and where)
* embedded sync capability: indicates whether the pin supports this

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://patch.msgid.link/20250704182202.1641943-2-ivecera@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
History 2025-07-09 19:08:52 -07:00
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README

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.