[PATCH net-next v5 6/6] arm64: dts: mt7622: add mt7531 dsa to bananapi-bpi-r64 board

[Landen Chao]

Add mt7531 dsa to bananapi-bpi-r64 board for 5 giga Ethernet ports support.

Signed-off-by: Landen Chao <landen.chao at mediatek.com>
---
 .../dts/mediatek/mt7622-bananapi-bpi-r64.dts  | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
index d174ad214857..9a11e5c60c26 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
@@ -143,6 +143,56 @@
 	mdio: mdio-bus {
 		#address-cells = <1>;
 		#size-cells = <0>;
+
+		switch at 0 {
+			compatible = "mediatek,mt7531";
+			reg = <0>;
+			reset-gpios = <&pio 54 0>;
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port at 0 {
+					reg = <0>;
+					label = "wan";
+				};
+
+				port at 1 {
+					reg = <1>;
+					label = "lan0";
+				};
+
+				port at 2 {
+					reg = <2>;
+					label = "lan1";
+				};
+
+				port at 3 {
+					reg = <3>;
+					label = "lan2";
+				};
+
+				port at 4 {
+					reg = <4>;
+					label = "lan3";
+				};
+
+				port at 6 {
+					reg = <6>;
+					label = "cpu";
+					ethernet = <&gmac0>;
+					phy-mode = "2500base-x";
+
+					fixed-link {
+						speed = <2500>;
+						full-duplex;
+						pause;
+					};
+				};
+			};
+		};
+
 	};
 };
 
-- 
2.17.1