[PATCH v4 net-next 03/10] dt-bindings: net: dsa: b53: add missing CPU port phy-mode to example

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Looking at b53_srab_phylink_get_caps() I get no indication of what PHY
modes does port 8 support, since it is implemented circularly based on
the p->mode retrieved from the device tree (and in PHY_INTERFACE_MODE_NA
it reports nothing to supported_interfaces).

However if I look at the b53_switch_chips[] element for BCM58XX_DEVICE_ID,
I see that port 8 is the IMP port, and SRAB means the IMP port is
internal to the SoC. So use phy-mode = "internal" in the example.

Note that this will make b53_srab_phylink_get_caps() go through the
"default" case and report PHY_INTERFACE_MODE_INTERNAL to
supported_interfaces, which is probably a good thing.

Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
---
v2->v3: patch is new
v3->v4: none

 Documentation/devicetree/bindings/net/dsa/brcm,b53.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/dsa/brcm,b53.yaml b/Documentation/devicetree/bindings/net/dsa/brcm,b53.yaml
index 23114d691d2a..2e01371b8288 100644
--- a/Documentation/devicetree/bindings/net/dsa/brcm,b53.yaml
+++ b/Documentation/devicetree/bindings/net/dsa/brcm,b53.yaml
@@ -254,6 +254,8 @@ examples:
                     ethernet = <&amac2>;
                     label = "cpu";
                     reg = <8>;
+                    phy-mode = "internal";
+
                     fixed-link {
                         speed = <1000>;
                         full-duplex;
-- 
2.34.1




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