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-rw-r--r--Documentation/devicetree/bindings/net/mediatek-net.txt5
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/net/mediatek-net.txt b/Documentation/devicetree/bindings/net/mediatek-net.txt
index 6103e5583070..7111278adc7e 100644
--- a/Documentation/devicetree/bindings/net/mediatek-net.txt
+++ b/Documentation/devicetree/bindings/net/mediatek-net.txt
@@ -31,7 +31,10 @@ Optional properties:
Required properties:
- compatible: Should be "mediatek,eth-mac"
- reg: The number of the MAC
-- phy-handle: see ethernet.txt file in the same directory.
+- phy-handle: see ethernet.txt file in the same directory and
+ the phy-mode "trgmii" required being provided when reg
+ is equal to 0 and the MAC uses fixed-link to connect
+ with inernal switch such as MT7530.
Example: