ramips: add support for OpenFi 5Pro (coolsnowwolf#12196)

OpenFi 5Pro is a 2.4/5 GHz band 11ac router, based on MT7621A.

Specification:

- SoC               : MediaTek MT7621A
- RAM               : DDR3 512 MB
- Flash             : SPI-NOR 64MB (W25Q512)
- WLAN              : 2.4/5 GHz 2T2R (MT7603/MT7613)
- Ethernet          : 2x 10/100/1000 Mbps
- LEDs/Keys (GPIO)  : 3x/2x
- UART              : 1xUART
  - settings        : 115200n8

How to upgrade image in uboot:

1. press reset button when boot for 5sec.
2. access 192.168.21.1 in web ui.
3. select image and upload

target/linux/ramips/dts/mt7621_openfi_5pro.dts

@@ -0,0 +1,153 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+	compatible = "openfi,5pro", "mediatek,mt7621-soc";
+	model = "OpenFi 5Pro";
+
+	aliases {
+		led-boot = &led_system_blue;
+		led-failsafe = &led_system_blue;
+		led-running = &led_system_blue;
+		led-upgrade = &led_system_blue;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "reset";
+			gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+
+		wps {
+			label = "wps";
+			gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_WPS_BUTTON>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_system_blue: led-0 {
+			label = "blue:system";
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_STATUS;
+			gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
+		};
+
+		led_internet_blue: led-1 {
+			label = "blue:internet";
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_STATUS;
+			gpios = <&gpio 17 GPIO_ACTIVE_LOW>;
+		};
+
+		led_wifi_blue: led-2 {
+			label = "blue:wifi";
+			color = <LED_COLOR_ID_BLUE>;
+			linux,default-trigger = "phy0tpt";
+			gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&spi0 {
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <45000000>;
+		broken-flash-reset;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "bootloader";
+				reg = <0x0 0x30000>;
+				read-only;
+			};
+
+			partition@30000 {
+				label = "config";
+				reg = <0x30000 0x10000>;
+				read-only;
+			};
+
+			factory: partition@40000 {
+				label = "factory";
+				reg = <0x40000 0x10000>;
+				read-only;
+			};
+
+			partition@50000 {
+				compatible = "denx,uimage";
+				label = "firmware";
+				reg = <0x50000 0x3f00000>;
+			};
+		};
+	};
+};
+
+&pcie {
+	status = "okay";
+};
+
+&pcie0 {
+	mt76@0,0 {
+		compatible = "mediatek,mt76";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x0>;
+		ieee80211-freq-limit = <2400000 2500000>;
+	};
+};
+
+&pcie1 {
+	wifi1: mt76@0,0 {
+		compatible = "mediatek,mt76";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x8000>;
+		ieee80211-freq-limit = <5000000 6000000>;
+	};
+};
+
+&gmac0 {
+	mtd-mac-address = <&factory 0xe000>;
+};
+
+&switch0 {
+	ports {
+		port@0 {
+			status = "okay";
+			label = "wan";
+			mtd-mac-address = <&factory 0xe006>;
+		};
+
+		port@1 {
+			status = "okay";
+			label = "lan";
+		};
+	};
+};
+
+&state_default {
+	gpio {
+		groups = "wdt", "i2c", "jtag";
+		function = "gpio";
+	};
+};

target/linux/ramips/image/mt7621.mk

@@ -1401,6 +1401,15 @@ define Device/netis_wf2881
 endef
 TARGET_DEVICES += netis_wf2881
 
+define Device/openfi_5pro
+  $(Device/dsa-migration)
+  IMAGE_SIZE := 63448k
+  DEVICE_VENDOR := OpenFi
+  DEVICE_MODEL := 5Pro 
+  DEVICE_PACKAGES := kmod-mt7603 kmod-mt7615e kmod-mt7663-firmware-ap kmod-usb3
+endef
+TARGET_DEVICES += openfi_5pro
+
 define Device/oraybox_x3a
   $(Device/dsa-migration)
   $(Device/uimage-lzma-loader)

target/linux/ramips/mt7621/base-files/etc/board.d/02_network

@@ -30,6 +30,7 @@ ramips_setup_interfaces()
 		ucidef_set_interfaces_lan_wan "lan1 lan2 lan3" "wan"
 		;;
 	asiarf,ap7621-001|\
+	openfi,5pro|\
 	winstars,ws-wn583a6)
 		ucidef_set_interfaces_lan_wan "lan" "wan"
 		;;