From 731d613338ec6de482053ffa3f71be2325b0f8eb Mon Sep 17 00:00:00 2001 From: Ansuel Smith Date: Thu, 14 Oct 2021 00:39:09 +0200 Subject: 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 Signed-off-by: David S. Miller --- Documentation/devicetree/bindings/net/dsa/qca8k.txt | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- 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: