mediatek: add support for xiaomi ax3000t with an8855 variant

target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-xiaomi-mi-router-ax3000t-an8855-stock.dts

@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+/dts-v1/;
+#include "mt7981-xiaomi-mi-router-ax3000t-stock.dts"
+
+/ { 
+	model = "Xiaomi Mi Router AX3000T with AN8855 (stock layout)";
+	compatible = "xiaomi,mi-router-ax3000t-an8855-stock", "mediatek,mt7981";
+};
+
+&gsw {
+	status = "disabled";
+};
+
+&gsw_an8855 {
+	airoha,mdio = <&mdio>;
+	reset-gpios = <&pio 39 0>;
+	interrupt-parent = <&pio>;
+	interrupts = <38 IRQ_TYPE_LEVEL_HIGH>;
+	status = "okay";
+
+	port@5 {
+		compatible = "airoha,an8855-port";
+		reg = <5>;
+		phy-mode = "2500base-x";
+
+		fixed-link {
+			speed = <2500>;
+			full-duplex;
+		};
+	};
+};

target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-xiaomi-mi-router-ax3000t-an8855.dts

@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+/dts-v1/;
+#include "mt7981-xiaomi-mi-router-ax3000t.dts"
+
+/ { 
+	model = "Xiaomi Mi Router AX3000T with AN8855";
+	compatible = "xiaomi,mi-router-ax3000t-an8855", "mediatek,mt7981";
+};
+
+&gsw {
+	status = "disabled";
+};
+
+&gsw_an8855 {
+	airoha,mdio = <&mdio>;
+	reset-gpios = <&pio 39 0>;
+	interrupt-parent = <&pio>;
+	interrupts = <38 IRQ_TYPE_LEVEL_HIGH>;
+	status = "okay";
+
+	port@5 {
+		compatible = "airoha,an8855-port";
+		reg = <5>;
+		phy-mode = "2500base-x";
+
+		fixed-link {
+			speed = <2500>;
+			full-duplex;
+		};
+	};
+};

target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7981-xiaomi-mi-router.dtsi

@@ -61,6 +61,13 @@
 		#size-cells = <0>;
 	};
 
+	gsw_an8855: gsw@1 {
+		compatible = "airoha,an8855";
+		#mediatek,ethsys = <&ethsys>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
 	nmbm_spim_nand: nmbm_spim_nand {
 		compatible = "generic,nmbm";
 

target/linux/mediatek/image/mt7981.mk

@@ -433,6 +433,35 @@ define Device/xiaomi_mi-router-ax3000t
 endef
 TARGET_DEVICES += xiaomi_mi-router-ax3000t
 
+define Device/xiaomi_mi-router-ax3000t-an8855-stock
+  DEVICE_VENDOR := Xiaomi
+  DEVICE_MODEL := Mi Router AX3000T with AN8855 (stock layout)
+  DEVICE_DTS := mt7981-xiaomi-mi-router-ax3000t-an8855-stock
+  DEVICE_DTS_DIR := $(DTS_DIR)/mediatek
+  UBINIZE_OPTS := -E 5
+  BLOCKSIZE := 128k
+  PAGESIZE := 2048
+  IMAGE_SIZE := 34816k
+  IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
+endef
+TARGET_DEVICES += xiaomi_mi-router-ax3000t-an8855-stock
+
+define Device/xiaomi_mi-router-ax3000t-an8855
+  DEVICE_VENDOR := Xiaomi
+  DEVICE_MODEL := Mi Router AX3000T with AN8855
+  DEVICE_DTS := mt7981-xiaomi-mi-router-ax3000t-an8855
+  DEVICE_DTS_DIR := $(DTS_DIR)/mediatek
+  UBINIZE_OPTS := -E 5
+  BLOCKSIZE := 128k
+  PAGESIZE := 2048
+  IMAGE_SIZE := 114688k
+  KERNEL_IN_UBI := 1
+  IMAGES += factory.bin
+  IMAGE/factory.bin := append-ubi | check-size $$$$(IMAGE_SIZE)
+  IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
+endef
+TARGET_DEVICES += xiaomi_mi-router-ax3000t-an8855
+
 define Device/glinet_gl-mt3000
   DEVICE_VENDOR := GL.iNet
   DEVICE_MODEL := GL-MT3000

target/linux/mediatek/mt7981/base-files/etc/board.d/02_network

@@ -23,12 +23,19 @@ mediatek_setup_interfaces()
 	*2500wan-p5*)
 		ucidef_set_interfaces_lan_wan "lan1 lan2 lan3 lan4" wan
 		;;
-	xiaomi,mi-router-ax3000t* |\
+	xiaomi,mi-router-ax3000t|\
+	xiaomi,mi-router-ax3000t-stock|\
 	xiaomi,mi-router-wr30u*)
 		ucidef_set_interfaces_lan_wan "eth0" "eth1"
 		ucidef_add_switch "switch0" \
 			"1:lan" "2:lan" "3:lan" "0:wan" "6u@eth0" "5u@eth1"
 		;;
+	xiaomi,mi-router-ax3000t-an8855|\
+	xiaomi,mi-router-ax3000t-an8855-stock)
+		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
+		ucidef_add_switch "switch0" \
+			"1:lan" "2:lan" "3:lan" "0:wan" "5t@eth0"
+		;;
 	*360,t7*)
 		ucidef_set_interfaces_lan_wan "eth0" "eth1"
 		ucidef_add_switch "switch0" \

target/linux/mediatek/mt7981/base-files/lib/upgrade/platform.sh

@@ -177,6 +177,7 @@ xiaomi_mt7981_initial_setup()
 	local board=$(board_name)
 	case "$board" in
 	xiaomi,mi-router-ax3000t-stock|\
+	xiaomi,mi-router-ax3000t-an8855-stock|\
 	xiaomi,mi-router-wr30u-stock)
 		fw_setenv mtdparts "nmbm0:1024k(bl2),256k(Nvram),256k(Bdata),2048k(factory),2048k(fip),256k(crash),256k(crash_log),34816k(ubi),34816k(ubi1),32768k(overlay),12288k(data),256k(KF)"
 		;;
@@ -189,6 +190,7 @@ platform_do_upgrade() {
 	case "$board" in
 	xiaomi,mi-router-wr30u-112m|\
 	xiaomi,mi-router-ax3000t|\
+	xiaomi,mi-router-ax3000t-an8855|\
 	*mt3000* |\
 	glinet,x3000-emmc |\
 	*xe3000* |\
@@ -223,6 +225,7 @@ platform_do_upgrade() {
 		emmc_do_upgrade "$1"
 		;;
 	xiaomi,mi-router-ax3000t-stock|\
+	xiaomi,mi-router-ax3000t-an8855-stock|\
 	xiaomi,mi-router-wr30u-stock)
 		xiaomi_mt7981_nand_upgrade_tar "$1"
 		;;
@@ -296,6 +299,7 @@ platform_pre_upgrade() {
 
 	case "$board" in
 	xiaomi,mi-router-ax3000t-stock|\
+	xiaomi,mi-router-ax3000t-an8855-stock|\
 	xiaomi,mi-router-wr30u-stock)
 		xiaomi_mt7981_initial_setup
 		;;