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dt-bindings: dpll: Add DPLL device and pin

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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>
This commit is contained in:
Ivan Vecera 2025-07-04 20:21:51 +02:00 • committed by Jakub Kicinski
commit 0afcee10dd
3 changed files with 123 additions and 0 deletions
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