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dt-bindings: serial: Document serialN aliases

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Document the format of aliases referring to UARTs.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rob Herring <robh@kernel.org>
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Geert Uytterhoeven 2020-03-25 10:54:42 +01:00 committed by Rob Herring
parent 27f747b123
commit a5427e4e38
1 changed files with 4 additions and 0 deletions
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Documentation/devicetree/bindings/serial/serial.yaml
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@ -15,6 +15,10 @@ description:
device tree. Whether these properties apply to a particular device depends
on the DT bindings for the actual device.
Each enabled UART may have an optional "serialN" alias in the "aliases" node,
where N is the port number (non-negative decimal integer) as printed on the
label next to the physical port.
properties:
$nodename:
pattern: "^serial(@.*)?$"