Commit 9ce86dc4 authored by Ivan Mikhaylov's avatar Ivan Mikhaylov Committed by Jakub Kicinski
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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: default avatarIvan Mikhaylov <i.mikhaylov@yadro.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent f8b7b50c
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+25 −0
Original line number Diff line number Diff line
@@ -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>;
			};
		};
	};