dt-bindings: net: mtk-star-emac: add description for new properties

Add description for new properties which will be parsed in driver.

Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/Documentation/devicetree/bindings/net/mediatek,star-emac.yaml b/Documentation/devicetree/bindings/net/mediatek,star-emac.yaml
index 6b0769e831a63ab8b2e569526cd3a769687ba87c..64c893c98d8077a3954fa58e0a5d9e6aff065714 100644 (file)
--- a/Documentation/devicetree/bindings/net/mediatek,star-emac.yaml
+++ b/Documentation/devicetree/bindings/net/mediatek,star-emac.yaml
@@ -48,6 +48,22 @@ properties:
       Phandle to the device containing the PERICFG register range. This is used
       to control the MII mode.
 
+  mediatek,rmii-rxc:
+    type: boolean
+    description:
+      If present, indicates that the RMII reference clock, which is from external
+      PHYs, is connected to RXC pin. Otherwise, is connected to TXC pin.
+
+  mediatek,rxc-inverse:
+    type: boolean
+    description:
+      If present, indicates that clock on RXC pad will be inversed.
+
+  mediatek,txc-inverse:
+    type: boolean
+    description:
+      If present, indicates that clock on TXC pad will be inversed.
+
   mdio:
     $ref: mdio.yaml#
     unevaluatedProperties: false