dt-bindings: net: dsa: xrs700x: add missing CPU port phy-mode to example

Judging by xrs700x_phylink_get_caps(), I deduce that this switch
supports the RGMII modes on port 3, so state this phy-mode in the
example, such that users are encouraged to not rely on avoiding phylink
for this port.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/Documentation/devicetree/bindings/net/dsa/arrow,xrs700x.yaml b/Documentation/devicetree/bindings/net/dsa/arrow,xrs700x.yaml
index 3f01b65f3b22705a31d7aee582431b7eb004f52f..eb01a8f37ce449eecd32a1fc6340e28a7fba058b 100644 (file)
--- a/Documentation/devicetree/bindings/net/dsa/arrow,xrs700x.yaml
+++ b/Documentation/devicetree/bindings/net/dsa/arrow,xrs700x.yaml
@@ -63,6 +63,8 @@ examples:
                     reg = <3>;
                     label = "cpu";
                     ethernet = <&fec1>;
+                    phy-mode = "rgmii-id";
+
                     fixed-link {
                         speed = <1000>;
                         full-duplex;