ramips: add suport for ZBT APE522II

The ZBT APE522II is a dual-radio outdoor CPE based on the MT7620a SoC. It has
64 MB RAM, 8 MB flash, 2 Fast Ethernet ports via internal switch (one with
802.3af 48V PoE support), a 802.11b/g/n SoC 2.4 GHz radio and an 802.11a/n/ac
MT7612E-based 5 GHz radio.

Signed-off-by: Roger Pueyo Centelles <[email protected]>

target/linux/ramips/base-files/etc/board.d/01_leds

@@ -296,6 +296,11 @@ y1s)
 	set_usb_led "$board:blue:usb"
 	set_wifi_led "$board:blue:wifi"
 	;;
+zbt-ape522ii)
+	ucidef_set_led_netdev "wlan2g4" "wlan1-link" "$board:green:wlan2g4" "wlan1"
+	ucidef_set_led_netdev "sys1" "wlan1" "$board:green:sys1" "wlan1" "tx rx"
+	ucidef_set_led_netdev "sys2" "wlan0" "$board:green:sys2" "wlan0" "tx rx"
+	;;
 zbt-wa05)
 	ucidef_set_led_default "power" "power" "$board:blue:power" "1"
 	set_wifi_led "$board:blue:air"

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

@@ -224,6 +224,7 @@ ramips_setup_interfaces()
 		ucidef_add_switch "switch0" \
 			"1:lan" "2:lan" "0:wan" "6@eth0"
 		;;
+	zbt-ape522ii|\
 	zbt-we826|\
 	zbt-wr8305rt)
 		ucidef_add_switch "switch0" \

target/linux/ramips/base-files/lib/ramips.sh

@@ -523,6 +523,9 @@ ramips_board_detect() {
 	*"Y1S")
 		name="y1s"
 		;;
+	*"ZBT-APE522II")
+		name="zbt-ape522ii"
+		;;
 	*"ZBT-WA05")
 		name="zbt-wa05"
 		;;

target/linux/ramips/base-files/lib/upgrade/platform.sh

@@ -155,6 +155,7 @@ platform_check_image() {
 	x8|\
 	y1|\
 	y1s|\
+	zbt-ape522ii|\
 	zbt-wa05|\
 	zbt-we826|\
 	zbt-wg2626|\

target/linux/ramips/dts/ZBT-APE522II.dts

@@ -0,0 +1,143 @@
+/dts-v1/;
+
+#include "mt7620a.dtsi"
+
+/ {
+	compatible = "zbtlink,zbt-ape522ii", "ralink,mt7620a-soc";
+	model = "ZBT-APE522II";
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		sys1 {
+			label = "zbt-ape522ii:green:sys1";
+			gpios = <&gpio0 11 1>;
+		};
+
+		sys2 {
+			label = "zbt-ape522ii:green:sys2";
+			gpios = <&gpio0 12 1>;
+		};
+
+		sys3 {
+			label = "zbt-ape522ii:green:sys3";
+			gpios = <&gpio0 9 1>;
+		};
+
+		sys4 {
+			label = "zbt-ape522ii:green:sys4";
+			gpios = <&gpio0 14 1>;
+		};
+
+		wlan2g4 {
+			label = "zbt-ape522ii:green:wlan2g4";
+			gpios = <&gpio3 0 1>;
+		};
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <20>;
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 2 0>;
+			linux,code = <0x198>;
+		};
+	};
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};
+
+&gpio2 {
+	status = "okay";
+};
+
+&gpio3 {
+	status = "okay";
+};
+
+&spi0 {
+	status = "okay";
+
+	m25p80@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		linux,modalias = "m25p80", "w25q64";
+		spi-max-frequency = <10000000>;
+
+		partition@0 {
+			label = "u-boot";
+			reg = <0x0 0x30000>;
+		};
+
+		partition@30000 {
+			label = "u-boot-env";
+			reg = <0x30000 0x10000>;
+			read-only;
+		};
+
+		factory: partition@40000 {
+			label = "factory";
+			reg = <0x40000 0x10000>;
+			read-only;
+		};
+
+		partition@50000 {
+			label = "firmware";
+			reg = <0x50000 0xf80000>;
+		};
+	};
+};
+
+&ethernet {
+	pinctrl-names = "default";
+	pinctrl-0 = <&ephy_pins>;
+	mtd-mac-address = <&factory 0x4>;
+	mediatek,portmap = "wllll";
+};
+
+&wmac {
+	ralink,mtd-eeprom = <&factory 0>;
+};
+
+&pcie {
+	status = "okay";
+
+	pcie-bridge {
+		mt76@0,0 {
+			reg = <0x0000 0 0 0 0>;
+			device_type = "pci";
+			mediatek,mtd-eeprom = <&factory 0x8000>;
+			mediatek,2ghz = <0>;
+		};
+	};
+};
+
+&pinctrl {
+	state_default: pinctrl0 {
+		gpio {
+			ralink,group = "wled", "i2c", "uartf", "wdt";
+			ralink,function = "gpio";
+		};
+
+		pa {
+			ralink,group = "pa";
+			ralink,function = "pa";
+		};
+	};
+};

target/linux/ramips/image/mt7620.mk

@@ -376,6 +376,14 @@ define Device/youku-yk1
 endef
 TARGET_DEVICES += youku-yk1
 
+define Device/zbt-ape522ii
+  DTS := ZBT-APE522II
+  IMAGE_SIZE := $(ralink_default_fw_size_8M)
+  DEVICE_TITLE := Zbtlink ZBT-APE522II
+  DEVICE_PACKAGES := kmod-mt76
+endef
+TARGET_DEVICES += zbt-ape522ii
+
 define Device/zbt-wa05
   DTS := ZBT-WA05
   IMAGE_SIZE := $(ralink_default_fw_size_8M)