mediatek: backport the latest version of the mt7531 support patches

Fixes unknown unicast flooding issue

Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 71 insertions, 0 deletions

diff --git a/target/linux/mediatek/patches-5.4/0605-arm64-dts-mt7622-add-mt7531-dsa-to-bananapi-bpi-r64-board.patch b/target/linux/mediatek/patches-5.4/0605-arm64-dts-mt7622-add-mt7531-dsa-to-bananapi-bpi-r64-board.patch
new file mode 100644
index 0000000000..8c3fe52089
--- /dev/null
+++ b/target/linux/mediatek/patches-5.4/0605-arm64-dts-mt7622-add-mt7531-dsa-to-bananapi-bpi-r64-board.patch
@@ -0,0 +1,71 @@
+From: Landen Chao <landen.chao@mediatek.com>
+Subject: [PATCH net-next 6/6] arm64: dts: mt7622: add mt7531 dsa to
+ bananapi-bpi-r64 board
+Date: Tue, 10 Dec 2019 16:14:42 +0800
+
+Add mt7531 dsa to bananapi-bpi-r64 board for 5 giga Ethernet ports support.
+
+Signed-off-by: Landen Chao <landen.chao@mediatek.com>
+---
+ .../dts/mediatek/mt7622-bananapi-bpi-r64.dts  | 50 +++++++++++++++++++
+ 1 file changed, 50 insertions(+)
+
+--- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
++++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
+@@ -150,6 +150,56 @@
+ 	mdio: mdio-bus {
+ 		#address-cells = <1>;
+ 		#size-cells = <0>;
++
++		switch@0 {
++			compatible = "mediatek,mt7531";
++			reg = <0>;
++			reset-gpios = <&pio 54 0>;
++
++			ports {
++				#address-cells = <1>;
++				#size-cells = <0>;
++
++				port@0 {
++					reg = <0>;
++					label = "wan";
++				};
++
++				port@1 {
++					reg = <1>;
++					label = "lan0";
++				};
++
++				port@2 {
++					reg = <2>;
++					label = "lan1";
++				};
++
++				port@3 {
++					reg = <3>;
++					label = "lan2";
++				};
++
++				port@4 {
++					reg = <4>;
++					label = "lan3";
++				};
++
++				port@6 {
++					reg = <6>;
++					label = "cpu";
++					ethernet = <&gmac0>;
++					phy-mode = "2500base-x";
++
++					fixed-link {
++						speed = <2500>;
++						full-duplex;
++						pause;
++					};
++				};
++			};
++		};
++
+ 	};
+ };
+