From: Ivan Mikhaylov <i.mikhaylov@yadro.com>
Date: Fri, 30 Oct 2020 13:37:07 +0000 (+0300)
Subject: dt-bindings: net: ftgmac100: describe phy-handle and MDIO
X-Git-Tag: io_uring-5.11-2020-12-23~79^2~399^2
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=9ce86dc474168020a2097cc806fc5f9454859ab8;p=linux-2.6-block.git

dt-bindings: net: ftgmac100: describe phy-handle and MDIO

Add the phy-handle and MDIO description and add the example with
PHY and MDIO nodes.

Signed-off-by: Ivan Mikhaylov <i.mikhaylov@yadro.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---

diff --git a/Documentation/devicetree/bindings/net/ftgmac100.txt b/Documentation/devicetree/bindings/net/ftgmac100.txt
index f878c1103463..29234021f601 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>;
+			};
+		};
+	};