From: Lars Wessels <software@bytebox.org>
Date: Sat, 04 Jul 2020 15:10:17 +0200
Subject: ramips: add support for Wavlink WL-WN557A2 (aka Maginon WLR-755)

Backport of https://github.com/openwrt/openwrt/pull/3139
to current OpenWRT-19.07-SNAPSHOT

Signed-off-by: Lars Wessels <software@bytebox.org>

diff --git a/target/linux/ramips/dts/WL-WN577A2.dts b/target/linux/ramips/dts/WL-WN577A2.dts
new file mode 100644
index 0000000000..3949c67d30
--- /dev/null
+++ b/target/linux/ramips/dts/WL-WN577A2.dts
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+
+#include "mt7628an.dtsi"
+
+/ {
+	compatible = "wavlink,wl-wn577a2", "maginon,wlr-755", "mediatek,mt7628an-soc";
+	model = "WAVLINK WL-WN577A2";
+
+    aliases {
+        led-boot = &led_wps;
+        led-failsafe = &led_wps;
+        led-running = &led_wps;
+        led-upgrade = &led_wps;
+    };
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x4000000>;
+	};
+
+	keys {
+		compatible = "gpio-keys-polled";
+		poll-interval = <20>;
+
+		reset {
+			label = "reset";
+			gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+
+		wps {
+			label = "wps";
+			gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_WPS_BUTTON>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		lan {
+			label = "wl-wn577a2:green:lan";
+			gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
+		};
+
+		wan {
+			label = "wl-wn577a2:green:wan";
+			gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
+		};
+
+		led_wps: wps {
+			label = "wl-wn577a2:green:wps";
+			gpios = <&gpio0 4 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&pinctrl {
+	state_default: pinctrl0 {
+		gpio {
+			ralink,group = "i2c", "wdt", "p0led_an", "p3led_an", "p4led_an";
+			ralink,function = "gpio";
+		};
+	};
+};
+
+&pcie {
+	status = "okay";
+};
+
+&pcie0 {
+	mt76@0,0 {
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x8000>;
+		ieee80211-freq-limit = <5000000 6000000>;
+	};
+};
+
+&spi0 {
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <40000000>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "u-boot";
+				reg = <0x0 0x30000>;
+				read-only;
+			};
+
+			partition@30000 {
+				label = "u-boot-env";
+				reg = <0x30000 0x10000>;
+				read-only;
+			};
+
+			factory: partition@40000 {
+				label = "factory";
+				reg = <0x40000 0x10000>;
+				read-only;
+			};
+
+			partition@50000 {
+				compatible = "denx,uimage";
+				label = "firmware";
+				reg = <0x50000 0x7b0000>;
+			};
+		};
+	};
+};
+
+&wmac {
+	status = "okay";
+};
+
+&ethernet {
+	mtd-mac-address = <&factory 0x28>;
+};
+
+&esw {
+	mediatek,portmap = <0x2f>;
+};
+
+&usbphy {
+	status = "disabled";
+};
+
+&ehci {
+	status = "disabled";
+};
+
+&ohci {
+	status = "disabled";
+};
diff --git a/target/linux/ramips/image/mt76x8.mk b/target/linux/ramips/image/mt76x8.mk
index 7df5c04297..2c4be5ae82 100644
--- a/target/linux/ramips/image/mt76x8.mk
+++ b/target/linux/ramips/image/mt76x8.mk
@@ -402,6 +402,14 @@ define Device/wavlink_wl-wn575a3
 endef
 TARGET_DEVICES += wavlink_wl-wn575a3

+define Device/wavlink_wl-wn577a2
+  DTS := WL-WN577A2
+  IMAGE_SIZE := $(ralink_default_fw_size_8M)
+  DEVICE_TITLE := WAVLINK WL-WN577A2 (Maginon WLR-755)
+  DEVICE_PACKAGES := kmod-mt76x0e
+endef
+TARGET_DEVICES += wavlink_wl-wn577a2
+
 define Device/wcr-1166ds
   DTS := WCR-1166DS
   BUFFALO_TAG_PLATFORM := MTK
diff --git a/target/linux/ramips/base-files/etc/board.d/01_leds b/target/linux/ramips/base-files/etc/board.d/01_leds
index 5c005db0c1..5a9daed3d3 100755
--- a/target/linux/ramips/base-files/etc/board.d/01_leds
+++ b/target/linux/ramips/base-files/etc/board.d/01_leds
@@ -382,6 +382,10 @@ wavlink,wl-wn575a3)
	ucidef_set_led_rssi "wifi-med" "wifi-med" "$boardname:green:wifi-med" "wlan1" "50" "84"
	ucidef_set_led_rssi "wifi-high" "wifi-high" "$boardname:green:wifi-high" "wlan1" "85" "100"
	;;
+wavlink,wl-wn577a2)
+	ucidef_set_led_switch "lan" "lan" "$boardname:green:lan" "switch0" "0x8"
+	ucidef_set_led_switch "wan" "wan" "$boardname:green:wan" "switch0" "0x10"
+	;;
 we1026-5g-16m)
	ucidef_set_led_netdev "lan" "LAN" "we1026-5g:green:lan" "eth0"
	set_wifi_led "we1026-5g:green:wifi"
diff --git a/target/linux/ramips/base-files/etc/board.d/02_network b/target/linux/ramips/base-files/etc/board.d/02_network
index f743ce851a..73d2440cc2 100755
--- a/target/linux/ramips/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/base-files/etc/board.d/02_network
@@ -179,6 +179,7 @@ ramips_setup_interfaces()
			"0:lan:4" "1:lan:3" "2:lan:2" "3:lan:1" "4:wan" "6@eth0"
		;;
	alfa-network,r36m-e4g|\
+	wavlink,wl-wn577a2|\
	wcr-1166ds)
		ucidef_add_switch "switch0" \
			"3:lan" "4:wan" "6@eth0"
@@ -660,6 +661,10 @@ ramips_setup_macs()
		lan_mac=$(cat /sys/class/net/eth0/address)
		wan_mac=$(macaddr_add "$lan_mac" 5)
		;;
+	wavlink,wl-wn577a2)
+		wan_mac=$(mtd_get_mac_binary factory 0x2e)
+		label_mac=$(mtd_get_mac_binary factory 0x4)
+		;;
	wcr-1166ds|\
	wsr-1166)
		local index="$(find_mtd_index "board_data")"