ramips: Add support for Xiaomi MiWiFi Nano

Xiaomi MiWiFi Nano is based on Mediatek MT7628 with 64MB ram 16MB flash

Signed-off-by: Noble Pepper <openwrtmail@noblepepper.com>

v3  includes changes suggested by L. D. Pinney & Karl Palsson-
Eliminate en25q64 (4MB) flash chip
Alphabetization
Remove hyphen in model
Rename profile from miwifinano.mk to xiaomi.mk
Add gpios that are attached to leds

SVN-Revision: 49024

package/boot/uboot-envtools/files/ramips

@@ -23,7 +23,8 @@ linkits7688 | \
 linkits7688d | \
 wsr-600 | \
 wsr-1166 | \
-br6425)
+br6425 | \
+miwifi-nano)
 	ubootenv_add_uci_config "/dev/mtd1" "0x0" "0x1000" "0x10000"
 	;;
 esac

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

@@ -68,6 +68,7 @@ ramips_setup_interfaces()
 	firewrt|\
 	hlk-rm04|\
 	miwifi-mini|\
+	miwifi-nano|\
 	mt7621|\
 	mt7628|\
 	mzk-750dhp|\

target/linux/ramips/base-files/lib/ramips.sh

@@ -250,6 +250,9 @@ ramips_board_detect() {
 	*"MiWiFi Mini")
 		name="miwifi-mini"
 		;;
+	*"MiWiFi Nano")
+		name="miwifi-nano"
+		;;
 	*"MLW221")
 		name="mlw221"
 		;;

target/linux/ramips/base-files/lib/upgrade/platform.sh

@@ -78,6 +78,7 @@ platform_check_image() {
 	miniembplug|\
 	miniembwifi|\
 	miwifi-mini|\
+	miwifi-nano|\
 	mlw221|\
 	mlwg2|\
 	mofi3500-3gn|\

target/linux/ramips/dts/MIWIFI-NANO.dts

@@ -0,0 +1,99 @@
+/dts-v1/;
+
+/include/ "mt7628an.dtsi"
+
+/ {
+	compatible = "xiaomi,MiWifi Nano", "mediatek,mt7628an-soc";
+	model = "MiWiFi Nano";
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x4000000>;
+	};
+
+	pinctrl {
+		state_default: pinctrl0 {
+			gpio {
+				ralink,group = "gpio";
+				ralink,function = "gpio";
+			};
+		};
+	};
+
+	gpio-export {
+		compatible = "gpio-export";
+		#size-cells = <0>;
+
+		gpio11 {
+			/* blue led */
+			gpio-export,name = "gpio11";
+			gpio-export,direction_may_change = <1>;
+			gpio-export,output = <1>;
+			gpios = <&gpio0 11 0>;
+		};
+
+		gpio37 {
+			/* red led */
+			gpio-export,name = "gpio37";
+			gpio-export,direction_may_change = <1>;
+			gpio-export,output = <1>;
+			gpios = <&gpio1 5 0>;
+		};
+
+		gpio44 {
+			/* yellow led */
+			gpio-export,name = "gpio44";
+			gpio-export,direction_may_change = <1>;
+			gpio-export,output = <1>;
+			gpios = <&gpio1 12 0>;
+		};
+	};
+
+
+	wmac@10300000 {
+		status = "okay";
+	};
+
+	palmbus@10000000 {
+		spi@b00 {
+			status = "okay";
+
+			m25p80@0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				compatible = "jedec,spi-nor";
+				reg = <0 0>;
+				linux,modalias = "m25p80";
+				spi-max-frequency = <10000000>;
+				m25p,chunked-io = <32>;
+
+				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>;
+				};
+			};
+		};
+	};
+};

target/linux/ramips/image/Makefile

@@ -1148,6 +1148,7 @@ endef
 # MT7628 Profiles
 #
 
+Image/Build/Profile/MIWIFI-NANO=$(call BuildFirmware/Default16M/$(1),$(1),miwifi-nano,MIWIFI-NANO)
 Image/Build/Profile/MT7628=$(call BuildFirmware/Default4M/$(1),$(1),mt7628,MT7628)
 Image/Build/Profile/WRTNODE2P=$(call BuildFirmware/Default16M/$(1),$(1),wrtnode2p,WRTNODE2P)
 
@@ -1156,6 +1157,9 @@ define Image/Build/Profile/Default
 	$(call Image/Build/Profile/MT7628,$(1))
 	$(call Image/Build/Profile/WRTNODE2P,$(1))
 endef
+define Image/Build/Profile/MiwifiNano
+	$(call Image/Build/Profile/MIWIFI-NANO,$(1))
+endef
 endif
 
 

target/linux/ramips/mt7628/profiles/xiaomi.mk

@@ -0,0 +1,18 @@
+#
+# Copyright (C) 2011 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+define Profile/MiwifiNano
+	NAME:=Xiaomi MiWiFi Nano
+	PACKAGES:=\
+		kmod-usb-core kmod-usb2 kmod-usb-ohci \
+		kmod-ledtrig-usbdev
+endef
+
+define Profile/Default/Description
+	Image for Xiaomi MiWiFi Nano
+endef
+$(eval $(call Profile,MiwifiNano))