Add the phy-handle and MDIO description and add the example with
PHY and MDIO nodes.
Signed-off-by: Ivan Mikhaylov <i.mikhay...@yadro.com>
---
.../devicetree/bindings/net/ftgmac100.txt | 25 +++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/ftgmac100.txt
b/Documentation/devicetree/bindings/net/ftgmac100.txt
index f878c1103463..accb1b1e07b3 100644
--- a/Documentation/devicetree/bindings/net/ftgmac100.txt
+++ b/Documentation/devicetree/bindings/net/ftgmac100.txt
@@ -15,6 +15,7 @@ Required properties:
- interrupts: Should contain ethernet controller interrupt
Optional properties:
+- phy-handle: See ethernet.txt file in the same directory.
- phy-mode: See ethernet.txt file in the same directory. If the property is
absent, "rgmii" is assumed. Supported values are "rgmii*" and "rmii" for
aspeed parts. Other (unknown) parts will accept any value.
@@ -32,6 +33,9 @@ Optional properties:
- "MACCLK": The MAC IP clock
- "RCLK": Clock gate for the RMII RCLK
+Optional subnodes:
+- mdio: See mdio.txt file in the same directory.
+
Example:
mac0: ethernet@1e660000 {
@@ -40,3 +44,24 @@ Example:
interrupts = <2>;
use-ncsi;
};
+
+Example with phy-handle:
+
+ mac1: ethernet@1e680000 {
+ compatible = "aspeed,ast2500-mac", "faraday,ftgmac100";
+ reg = <0x1e680000 0x180>;
+ interrupts = <2>;
+
+ phy-handle = <&phy>;
+ phy-mode = "rgmii";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy: ethernet-phy@1 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <1>;
+ };
+ };
+ };
--
2.21.1
