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Date:   Sun, 10 Oct 2021 03:55:55 +0200
From:   Ansuel Smith <>
To:     Andrew Lunn <>,
        Vivien Didelot <>,
        Florian Fainelli <>,
        Vladimir Oltean <>,
        "David S. Miller" <>,
        Jakub Kicinski <>,
        Rob Herring <>,
        Russell King <>,,,
Cc:     Ansuel Smith <>
Subject: [net-next PATCH v3 05/13] 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 <>
 Documentation/devicetree/bindings/net/dsa/qca8k.txt | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/net/dsa/qca8k.txt b/Documentation/devicetree/bindings/net/dsa/qca8k.txt
index cc214e655442..aeb206556f54 100644
--- a/Documentation/devicetree/bindings/net/dsa/qca8k.txt
+++ b/Documentation/devicetree/bindings/net/dsa/qca8k.txt
@@ -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:

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