ramips: add support for Xiaomi MiWiFi Mini devices

This patch adds support for Xiaomi MiWiFi Mini, a 802.11a/b/g/n/ac dual radio
wireless router based on the MediaTek MT7620a SoC.

Signed-off-by: Roger Pueyo Centelles <roger.pueyo@guifi.net>

SVN-Revision: 44238

8 files changed, 179 insertions, 0 deletions

diff --git a/target/linux/ramips/base-files/etc/board.d/01_leds b/target/linux/ramips/base-files/etc/board.d/01_leds
index af3dddc..cfc782e 100755
--- a/target/linux/ramips/base-files/etc/board.d/01_leds
+++ b/target/linux/ramips/base-files/etc/board.d/01_leds
@@ -231,6 +231,9 @@ case $board in
 	wt3020)
 		ucidef_set_led_default "power" "power" "nexx:blue:power" "0"
 		;;
+	xiaomi-miwifi-mini)
+		ucidef_set_led_default "power" "power" "xiaomi:red:status" "1"
+		;;
 	y1 |\
 	y1s)
 		ucidef_set_led_default "power" "power" "lenovo:blue:power" "1"
diff --git a/target/linux/ramips/base-files/etc/board.d/02_network b/target/linux/ramips/base-files/etc/board.d/02_network
index 7724c3e..f298aa4 100755
--- a/target/linux/ramips/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/base-files/etc/board.d/02_network
@@ -130,6 +130,7 @@ ramips_setup_interfaces()
 	wsr-600 | \
 	wsr-1166 | \
 	wt1520 | \
+	xiaomi-miwifi-mini |\
 	y1)
 		ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
 		ucidef_add_switch "switch0" "1" "1"
diff --git a/target/linux/ramips/base-files/etc/diag.sh b/target/linux/ramips/base-files/etc/diag.sh
index 808177b..e9b3997 100755
--- a/target/linux/ramips/base-files/etc/diag.sh
+++ b/target/linux/ramips/base-files/etc/diag.sh
@@ -210,6 +210,9 @@ get_status_led() {
 	xdxrn502j)
 		status_led="xdxrn502j:green:power"
 		;;
+	xiaomi-mini)
+		status_led="xiaomi:red:status"
+		;;
 	f7c027)
 		status_led="belkin:orange:status"
 		;;
diff --git a/target/linux/ramips/base-files/lib/ramips.sh b/target/linux/ramips/base-files/lib/ramips.sh
index f43725e..4527414 100755
--- a/target/linux/ramips/base-files/lib/ramips.sh
+++ b/target/linux/ramips/base-files/lib/ramips.sh
@@ -367,6 +367,9 @@ ramips_board_detect() {
 	*"Wansview NCS601W")
 		name="ncs601w"
 		;;
+	*"Xiaomi MiWiFi Mini")
+		name="xiaomi-miwifi-mini"
+		;;
 	*"Sercomm NA930")
 		name="na930"
 		;;
diff --git a/target/linux/ramips/base-files/lib/upgrade/platform.sh b/target/linux/ramips/base-files/lib/upgrade/platform.sh
index 0dfdf9d..356a085 100755
--- a/target/linux/ramips/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ramips/base-files/lib/upgrade/platform.sh
@@ -110,6 +110,7 @@ platform_check_image() {
 	wt3020 |\
 	x5 |\
 	x8 |\
+	xiaomi-miwifi-mini |\
 	y1 |\
 	y1s |\
 	zbt-wa05)
diff --git a/target/linux/ramips/dts/XIAOMI-MIWIFI-MINI.dts b/target/linux/ramips/dts/XIAOMI-MIWIFI-MINI.dts
new file mode 100644
index 0000000..fda3325
--- /dev/null
+++ b/target/linux/ramips/dts/XIAOMI-MIWIFI-MINI.dts
@@ -0,0 +1,148 @@
+/dts-v1/;
+
+/include/ "mt7620a.dtsi"
+
+/ {
+	compatible = "XIAOMI MIWIFI MINI", "ralink,mt7620a-soc";
+	model = "Xiaomi MiWiFi Mini";
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+	};
+
+	palmbus@10000000 {
+		gpio0: gpio@600 {
+			status = "okay";
+		};
+
+		gpio1: gpio@638 {
+			status = "okay";
+		};
+
+		gpio2: gpio@660 {
+			status = "okay";
+		};
+
+		spi@b00 {
+			status = "okay";
+
+			m25p80@0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				compatible = "w25q128";
+				reg = <0 0>;
+				linux,modalias = "m25p80", "w25q128";
+				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>;
+				};
+
+				partition@fd0000 {
+					label = "crash";
+					reg = <0xfd0000 0x10000>;
+				};
+
+				partition@fe0000 {
+					label = "reserved";
+					reg = <0xfe0000 0x10000>;
+					read-only;
+				};
+
+				partition@ff0000 {
+					label = "Bdata";
+					reg = <0xff0000 0x10000>;
+				};
+			};
+		};
+	};
+
+	ehci@101c0000 {
+		status = "okay";
+	};
+
+	ohci@101c1000 {
+		status = "okay";
+	};
+
+	ethernet@10100000 {
+		pinctrl-names = "default";
+		pinctrl-0 = <&ephy_pins>;
+		mtd-mac-address = <&factory 0x4>;
+		ralink,port-map = "llllw";
+	};
+
+	wmac@10180000 {
+		ralink,mtd-eeprom = <&factory 0>;
+	};
+
+	pcie@10140000 {
+		status = "okay";
+
+		pcie0 {
+			mt76@0,0 {
+				reg = <0x0000 0 0 0 0>;
+				device_type = "pci";
+				mediatek,mtd-eeprom = <&factory 0x8000>;
+			};
+		};
+	};
+
+	pinctrl {
+		state_default: pinctrl0 {
+			gpio {
+				ralink,group = "i2c", "rgmii1";
+				ralink,function = "gpio";
+			};
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+
+		blue {
+			label = "xiaomi:blue:status";
+			gpios = <&gpio1 0 1>;
+		};
+
+		yellow {
+			label = "xiaomi:yellow:status";
+			gpios = <&gpio1 2 1>;
+		};
+
+		red {
+			label = "xiaomi:red:status";
+			gpios = <&gpio1 5 1>;
+		};
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <20>;
+		reset {
+			label = "reset";
+			gpios = <&gpio1 6 0>;
+			linux,code = <0x198>;
+		};
+	};
+};
diff --git a/target/linux/ramips/image/Makefile b/target/linux/ramips/image/Makefile
index d35c420..7363730 100644
--- a/target/linux/ramips/image/Makefile
+++ b/target/linux/ramips/image/Makefile
@@ -858,6 +858,7 @@ Image/Build/Profile/RT-N14U=$(call BuildFirmware/Default8M/$(1),$(1),rt-n14u,RT-
 Image/Build/Profile/WR8305RT=$(call BuildFirmware/Default8M/$(1),$(1),wr8305rt,WR8305RT)
 Image/Build/Profile/WRTNODE=$(call BuildFirmware/Default16M/$(1),$(1),wrtnode,WRTNODE)
 Image/Build/Profile/WT3020=$(call BuildFirmware/PorayDualSize/$(1),$(1),wt3020,WT3020)
+Image/Build/Profile/XIAOMI-MIWIFI-MINI=$(call BuildFirmware/Default16M/$(1),$(1),xiaomi-miwifi-mini,XIAOMI-MIWIFI-MINI)
 Image/Build/Profile/ZBT-WA05=$(call BuildFirmware/Default8M/$(1),$(1),zbt-wa05,ZBT-WA05)
 Image/Build/Profile/ArcherC20i=$(call BuildFirmware/Tplink/$(1),$(1),ArcherC20i,ArcherC20i)
 
@@ -886,6 +887,7 @@ define Image/Build/Profile/Default
 	$(call Image/Build/Profile/WR8305RT,$(1))
 	$(call Image/Build/Profile/WRTNODE,$(1))
 	$(call Image/Build/Profile/WT3020,$(1))
+	$(call Image/Build/Profile/XIAOMI-MIWIFI-MINI,$(1))
 	$(call Image/Build/Profile/ZBT-WA05,$(1))
 	$(call Image/Build/Profile/ArcherC20i,$(1))
 endef
diff --git a/target/linux/ramips/mt7620/profiles/xiaomi-miwifi-mini.mk b/target/linux/ramips/mt7620/profiles/xiaomi-miwifi-mini.mk
new file mode 100644
index 0000000..47819b2
--- /dev/null
+++ b/target/linux/ramips/mt7620/profiles/xiaomi-miwifi-mini.mk
@@ -0,0 +1,18 @@
+#
+# Copyright (C) 2015 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+define Profile/XIAOMI-MIWIFI-MINI
+ NAME:=Xiaomi MiWiFi Mini
+ PACKAGES:=\
+	kmod-usb-core kmod-usb-dwc2 kmod-usb2 kmod-usb-ohci \
+	kmod-mt76
+endef
+
+define Profile/XIAOMI-MIWIFI-MINI/Description
+ Support for Xiaomi MiWiFi Mini routers
+endef
+$(eval $(call Profile,XIAOMI-MIWIFI-MINI))