The switch has a certain MDIO address and this needs to be specified using the
reg property. Add it to the example.

Signed-off-by: Kurt Kanzenbach <k...@linutronix.de>
---
 Documentation/devicetree/bindings/net/dsa/b53.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/net/dsa/b53.txt 
b/Documentation/devicetree/bindings/net/dsa/b53.txt
index cfd1afdc6e94..80437b2fc935 100644
--- a/Documentation/devicetree/bindings/net/dsa/b53.txt
+++ b/Documentation/devicetree/bindings/net/dsa/b53.txt
@@ -106,6 +106,7 @@ Ethernet switch connected via MDIO to the host, CPU port 
wired to eth0:
 
                switch0: ethernet-switch@30 {
                        compatible = "brcm,bcm53125";
+                       reg = <30>;
                        #address-cells = <1>;
                        #size-cells = <0>;
 
-- 
2.20.1

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