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dt-bindings: serial: Document the graph port

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A serial controller could be connected to an external connector like PCIe
M.2 for controlling the serial interface of the card. Hence, document the
OF graph port.

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
Link: https://patch.msgid.link/20260326-pci-m2-e-v7-4-43324a7866e6@oss.qualcomm.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
This commit is contained in:
Manivannan Sadhasivam
2026-03-26 13:36:32 +05:30
committed by Bartosz Golaszewski
parent 92fa16ecad
commit 1785c7bc14
1 changed files with 3 additions and 0 deletions
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3
Documentation/devicetree/bindings/serial/serial.yaml
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@@ -87,6 +87,9 @@ properties:
description:
TX FIFO threshold configuration (in bytes).
port:
$ref: /schemas/graph.yaml#/properties/port
patternProperties:
"^(bluetooth|bluetooth-gnss|embedded-controller|gnss|gps|mcu|onewire)$":
if: