From 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Tue, 15 Dec 2015 14:52:16 -0300
Subject: Linux-libre 4.3.2-gnu

---
 Documentation/devicetree/bindings/net/dsa/dsa.txt | 38 +++++++++++++++++++----
 1 file changed, 32 insertions(+), 6 deletions(-)

(limited to 'Documentation/devicetree/bindings/net/dsa/dsa.txt')

diff --git a/Documentation/devicetree/bindings/net/dsa/dsa.txt b/Documentation/devicetree/bindings/net/dsa/dsa.txt
index f0b4cd724..04e6bef3a 100644
--- a/Documentation/devicetree/bindings/net/dsa/dsa.txt
+++ b/Documentation/devicetree/bindings/net/dsa/dsa.txt
@@ -44,9 +44,10 @@ Note that a port labelled "dsa" will imply checking for the uplink phandle
 described below.
 
 Optionnal property:
-- link			: Should be a phandle to another switch's DSA port.
+- link			: Should be a list of phandles to another switch's DSA port.
 			  This property is only used when switches are being
-			  chained/cascaded together.
+			  chained/cascaded together. This port is used as outgoing port
+			  towards the phandle port, which can be more than one hop away.
 
 - phy-handle		: Phandle to a PHY on an external MDIO bus, not the
 			  switch internal one. See
@@ -58,6 +59,10 @@ Optionnal property:
 			  Documentation/devicetree/bindings/net/ethernet.txt
 			  for details.
 
+- mii-bus		: Should be a phandle to a valid MDIO bus device node.
+			  This mii-bus will be used in preference to the
+			  global dsa,mii-bus defined above, for this switch.
+
 Optional subnodes:
 - fixed-link		: Fixed-link subnode describing a link to a non-MDIO
 			  managed entity. See
@@ -96,10 +101,11 @@ Example:
 				label = "cpu";
 			};
 
-			switch0uplink: port@6 {
+			switch0port6: port@6 {
 				reg = <6>;
 				label = "dsa";
-				link = <&switch1uplink>;
+				link = <&switch1port0
+				        &switch2port0>;
 			};
 		};
 
@@ -107,11 +113,31 @@ Example:
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <17 1>;	/* MDIO address 17, switch 1 in tree */
+			mii-bus = <&mii_bus1>;
+
+			switch1port0: port@0 {
+				reg = <0>;
+				label = "dsa";
+				link = <&switch0port6>;
+			};
+			switch1port1: port@1 {
+				reg = <1>;
+				label = "dsa";
+				link = <&switch2port1>;
+			};
+		};
+
+		switch@2 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <18 2>;	/* MDIO address 18, switch 2 in tree */
+			mii-bus = <&mii_bus1>;
 
-			switch1uplink: port@0 {
+			switch2port0: port@0 {
 				reg = <0>;
 				label = "dsa";
-				link = <&switch0uplink>;
+				link = <&switch1port1
+				        &switch0port6>;
 			};
 		};
 	};
-- 
cgit v1.2.3-54-g00ecf