ramips: add support for ZTE E8820S

target/linux/ramips/dts/mt7621_zte_e8820s.dts

@@ -0,0 +1,221 @@
+// 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>
+
+/ {
+	compatible = "zte,e8820s", "mediatek,mt7621-soc";
+	model = "ZTE E8820S";
+
+	aliases {
+		led-boot = &led_sys;
+		led-failsafe = &led_sys;
+		led-running = &led_power;
+		led-upgrade = &led_power;
+		label-mac-device = &gmac0;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_power: power {
+			label = "white:power";
+			gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
+		};
+
+		led_sys: sys {
+			label = "white:sys";
+			gpios = <&gpio 3 GPIO_ACTIVE_LOW>;
+		};
+
+		wlan2g {
+			label = "white:wlan2g";
+			gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
+		};
+
+		wlan5g {
+			label = "white:wlan5g";
+			gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "reset";
+			gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
+			linux,code = <KEY_RESTART>;
+		};
+
+		wps {
+			label = "wps";
+			gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_WPS_BUTTON>;
+		};
+
+		wifi {
+			label = "wifi";
+			gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RFKILL>;
+		};
+	};
+
+	ubi-concat {
+		compatible = "mtd-concat";
+		devices = <&ubipart0 &ubipart1>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			ubi@0 {
+				label = "ubi";
+				reg = <0x0 0x79c0000>;
+			};
+		};
+	};
+};
+
+&nand {
+	status = "okay";
+
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		partition@0 {
+			label = "u-boot";
+			reg = <0x0 0x80000>;
+			read-only;
+		};
+
+		partition@80000 {
+			label = "debug";
+			reg = <0x80000 0x80000>;
+			read-only;
+		};
+
+		factory: partition@100000 {
+			label = "factory";
+			reg = <0x100000 0x40000>;
+			read-only;
+		};
+
+		partition@140000 {
+			label = "kernel";
+			reg = <0x140000 0x400000>;
+		};
+
+		ubipart0: partition@540000 {
+			label = "ubipart0";
+			reg = <0x540000 0x1c80000>;
+		};
+
+		partition@21c0000 {
+			label = "bdinfo";
+			reg = <0x21c0000 0x80000>;
+			read-only;
+		};
+
+		ubipart1: partition@2240000 {
+			label = "ubipart1";
+			reg = <0x2240000 0x5d40000>;
+		};
+	};
+};
+
+&pcie {
+	status = "okay";
+};
+
+&pcie0 {
+	wifi@0,0 {
+		compatible = "pci14c3,7603";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x0000>;
+		ieee80211-freq-limit = <2400000 2500000>;
+	};
+};
+
+&pcie1 {
+	wifi@0,0 {
+		compatible = "pci14c3,7662";
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x8000>;
+		ieee80211-freq-limit = <5000000 6000000>;
+	};
+};
+
+&gmac0 {
+	nvmem-cells = <&macaddr_factory_e006>;
+	nvmem-cell-names = "mac-address";
+};
+
+&gmac1 {
+	status = "okay";
+	label = "wan";
+	phy-handle = <&ethphy4>;
+
+	nvmem-cells = <&macaddr_factory_e000>;
+	nvmem-cell-names = "mac-address";
+};
+
+&mdio {
+	ethphy4: ethernet-phy@4 {
+		reg = <4>;
+	};
+};
+
+&switch0 {
+	ports {
+		port@0 {
+			status = "okay";
+			label = "lan1";
+		};
+
+		port@1 {
+			status = "okay";
+			label = "lan2";
+		};
+
+		port@2 {
+			status = "okay";
+			label = "lan3";
+		};
+
+		port@3 {
+			status = "okay";
+			label = "lan4";
+		};
+	};
+};
+
+&state_default {
+	gpio {
+		groups = "jtag", "uart2", "uart3", "wdt";
+		function = "gpio";
+	};
+};
+
+&factory {
+	compatible = "nvmem-cells";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	
+	macaddr_factory_e000: macaddr@e000 {
+		reg = <0xe000 0x6>;
+	};
+	
+	macaddr_factory_e006: macaddr@e006 {
+		reg = <0xe006 0x6>;
+	};
+};

target/linux/ramips/image/mt7621.mk

@@ -2811,6 +2811,25 @@ define Device/zio_freezio
 endef
 TARGET_DEVICES += zio_freezio
 
+define Device/zte_e8820s
+  $(Device/dsa-migration)
+  $(Device/uimage-lzma-loader)
+  BLOCKSIZE := 128k
+  PAGESIZE := 2048
+  KERNEL_SIZE := 4096k
+  UBINIZE_OPTS := -E 5
+  IMAGE_SIZE := 32768k
+  IMAGES += factory.bin
+  IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
+  IMAGE/factory.bin := append-kernel | pad-to $$(KERNEL_SIZE) | append-ubi | \
+	check-size
+  DEVICE_VENDOR := ZTE
+  DEVICE_MODEL := E8820S
+  DEVICE_PACKAGES := kmod-mt7603 kmod-mt76x2 kmod-usb3 \
+	kmod-usb-ledtrig-usbport
+endef
+TARGET_DEVICES += zte_e8820s
+
 define Device/zyxel_lte3301-plus
   $(Device/dsa-migration)
   BLOCKSIZE := 128k

target/linux/ramips/mt7621/base-files/etc/board.d/01_leds

@@ -215,6 +215,10 @@ yuncore,ax820)
 	ucidef_set_led_netdev "lan" "LAN" "green:lan" "lan"
 	ucidef_set_led_netdev "wan" "WAN" "green:wan" "wan"
 	;;
+zte,e8820s)
+	ucidef_set_led_netdev "wlan2g" "WiFi 2.4GHz" "white:wlan2g" "wlan0"
+	ucidef_set_led_netdev "wlan5g" "WiFi 5GHz" "white:wlan5g" "wlan1"
+	;;
 zyxel,lte3301-plus)
 	ucidef_set_led_netdev "internet" "internet" "white:internet" "wwan0"
 	;;