ramips: add preliminary support for SGE AP-MTKH7-0006 developer board

Signed-off-by: Felix Fietkau <nbd@nbd.name>

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

@@ -415,6 +415,7 @@ ramips_setup_interfaces()
 			"0:lan:3" "1:lan:2" "2:lan:1" "3:wan" "6@eth0"
 		;;
 	planex,mzk-dp150n|\
+	sge,ap-mtkh7-0006|\
 	vocore,vocore-8m|\
 	vocore,vocore-16m)
 		ucidef_add_switch "switch0" \

target/linux/ramips/dts/AP-MTKH7-0006.dts

@@ -0,0 +1,111 @@
+/dts-v1/;
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	compatible = "sge,ap-mtkh7-0006", "mediatek,mt7621-soc";
+	model = "SGE AP-MTKH7-0006";
+
+	chosen {
+		bootargs = "console=ttyS0,57600";
+	};
+
+	wdt@18 {
+		status = "okay";
+		compatible = "linux,wdt-gpio";
+
+		always-running;
+		hw_algo = "level";
+		hw_margin_ms = <60000>;
+		gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&wdt {
+	status = "disabled";
+};
+
+&spi0 {
+	status = "okay";
+
+	m25p80@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <10000000>;
+		m25p,chunked-io = <32>;
+
+		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 {
+				label = "firmware";
+				reg = <0x50000 0x7b0000>;
+			};
+
+			partition@850000 {
+				label = "firmware2";
+				reg = <0x850000 0x7b0000>;
+			};
+		};
+	};
+};
+
+&ethernet {
+	mtd-mac-address = <&factory 4>;
+	mtd-mac-address-increment = <(-2)>;
+};
+
+&pinctrl {
+	state_default: pinctrl0 {
+		gpio {
+			ralink,group = "i2c", "uart2", "uart3", "rgmii2", "sdhci", "wdt";
+			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>;
+	};
+};
+
+&pcie1 {
+	mt76@0,0 {
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x0000>;
+	};
+};
+
+&xhci {
+	status = "disabled";
+};

target/linux/ramips/image/mt7621.mk

@@ -685,6 +685,17 @@ define Device/xzwifi_creativebox-v1
 endef
 TARGET_DEVICES += xzwifi_creativebox-v1
 
+define Device/ap-mtkh7-0006
+  DTS := AP-MTKH7-0006
+  IMAGE_SIZE := $(ralink_default_fw_size_32M)
+  SUPPORTED_DEVICES := sge,ap-mtkh7-0006
+  DEVICE_TITLE := SGE AP-MTKH7-0006
+  DEVICE_PACKAGES := \
+	kmod-sdhci-mt7620 kmod-mt7603 kmod-mt76x2 \
+	kmod-usb3 kmod-usb-ledtrig-usbport wpad-mini
+endef
+TARGET_DEVICES += ap-mtkh7-0006
+
 define Device/youhua_wr1200js
   MTK_SOC := mt7621
   IMAGE_SIZE := 16064k

target/linux/ramips/mt7621/config-4.14

@@ -91,6 +91,8 @@ CONFIG_GPIOLIB=y
 CONFIG_GPIO_MT7621=y
 # CONFIG_GPIO_RALINK is not set
 CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_WATCHDOG=y
+CONFIG_GPIO_WATCHDOG_ARCH_INITCALL=y
 # CONFIG_GRO_CELLS is not set
 CONFIG_HANDLE_DOMAIN_IRQ=y
 CONFIG_HARDWARE_WATCHPOINTS=y