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dt-bindings: net: dsa: qca8k: Document support for CPU port 6 

The switch now support CPU port to be set 6 instead of be hardcoded to
0. Document support for it and describe logic selection.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ansuel Smith 2021-10-14 00:39:09 +02:00 committed by David S. Miller
parent 6c43809bf1
commit 731d613338
1 changed files with 5 additions and 1 deletions
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Documentation/devicetree/bindings/net/dsa/qca8k.txt
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@ -29,7 +29,11 @@ the mdio MASTER is used as communication.
Don't use mixed external and internal mdio-bus configurations, as this is
not supported by the hardware.
The CPU port of this switch is always port 0.
This switch support 2 CPU port. Normally and advised configuration is with
CPU port set to port 0. It is also possible to set the CPU port to port 6
if the device requires it. The driver will configure the switch to the defined
port. With both CPU port declared the first CPU port is selected as primary
and the secondary CPU ignored.
A CPU port node has the following optional node: