[PARTIAL] Patch to OpenWRT 19.07 for ASUS RT-AC52U B1

patch_19.07.patch

diff --git a/target/linux/ramips/dts/RT-AC52U-B1.dts b/target/linux/ramips/dts/RT-AC52U-B1.dts
new file mode 100644
index 0000000..aad625c
--- /dev/null
+++ b/target/linux/ramips/dts/RT-AC52U-B1.dts
@@ -0,0 +1,184 @@
+/dts-v1/;
+
+#include "mt7620a.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	compatible = "asus,rt-ac52u-b1", "ralink,mt7620a-soc";
+	model = "Asus RT-AC52U B1";
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+	};
+
+	aliases {
+		led-boot = &led_power;
+		led-failsafe = &led_power;
+		led-running = &led_power;
+		led-upgrade = &led_power;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_power: power {
+			label = "rt-ac51u:blue:power";
+			gpios = <&gpio0 9 GPIO_ACTIVE_LOW>;
+		};
+
+		usb {
+			label = "rt-ac51u:blue:usb";
+			gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
+			trigger-sources = <&ohci_port1>, <&ehci_port1>;
+			linux,default-trigger = "usbport";
+		};
+
+		wifi {
+			label = "rt-ac51u:blue:wifi";
+			gpios = <&gpio3 0 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	keys {
+		compatible = "gpio-keys-polled";
+		poll-interval = <20>;
+
+		reset {
+			label = "reset";
+			gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+
+		wps {
+			label = "wps";
+			gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_WPS_BUTTON>;
+		};
+	};
+
+	rtl8367rb {
+		compatible = "realtek,rtl8367b", "rtl8367b";
+		cpu_port = <5>;
+		realtek,extif2 = <1 0 1 1 1 1 1 1 2>;
+		mii-bus = <&mdio0>;
+	};
+};
+
+&spi0 {
+	status = "okay";
+
+	m25p80@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <10000000>;
+
+		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 0xfb0000>;
+			};
+		};
+	};
+};
+
+&ethernet {
+	status = "okay";
+	mediatek,portmap = "wllll";
+	pinctrl-names = "default";	
+	mtd-mac-address = <&factory 0x00004>;
+	pinctrl-0 = <&rgmii1_pins &rgmii2_pins &mdio_pins>;
+
+	port@5 {
+		status = "okay";
+		mediatek,fixed-link = <1000 1 1 1>;	
+		phy-mode = "rgmii";
+	};
+
+	mdio0: mdio-bus {
+		status = "okay";
+	};
+};
+
+&gsw {
+	mediatek,port4 = "ephy";
+	pinctrl-names = "default";
+	pinctrl-0 = <&ephy_pins>;
+};
+
+&ehci {
+	status = "okay";
+};
+
+&ohci {
+	status = "okay";
+};
+
+&gpio0 {
+	enable-leds {
+		gpio-hog;
+		line-name = "enable-leds";
+		output-low;
+		gpios = <10 GPIO_ACTIVE_HIGH>;
+	};
+	/*
+	rtl8367rb_reset {
+		gpio-hog;
+		gpios = <10 GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "rtl8367rb-reset";
+	};
+	*/
+};
+
+&gpio3 {
+	status = "okay";
+};
+
+&wmac {
+	ralink,mtd-eeprom = <&factory 0>;
+};
+
+&pinctrl {
+	state_default: pinctrl0 {
+		gpio {
+			ralink,group = "i2c", "wled", "uartf";
+			ralink,function = "gpio";
+		};
+	};
+};
+
+&pcie {
+	status = "okay";
+};
+
+&pcie0 {
+	wifi@0,0 {
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x8000>;
+	};
+};
diff --git a/target/linux/ramips/image/mt7620.mk b/target/linux/ramips/image/mt7620.mk
index 0347ff2..60034af 100644
--- a/target/linux/ramips/image/mt7620.mk
+++ b/target/linux/ramips/image/mt7620.mk
@@ -606,6 +606,14 @@ define Device/rt-ac51u
 endef
 TARGET_DEVICES += rt-ac51u
 
+define Device/rt-ac52u-b1
+  DTS := RT-AC52U-B1
+  IMAGE_SIZE := $(ralink_default_fw_size_16M)
+  DEVICE_TITLE := Asus RT-AC52U B1
+  DEVICE_PACKAGES := kmod-mt76x0e kmod-usb2 kmod-usb-ohci kmod-usb-ledtrig-usbport kmod-switch-rtl8366-smi kmod-switch-rtl8367b kmod-switch-rtl8367rb
+endef
+TARGET_DEVICES += rt-ac52u-b1
+
 define Device/tiny-ac
   DTS := TINY-AC
   DEVICE_TITLE := Dovado Tiny AC