ramips: add support for Widora Neo 32MB flash revision

Widora has updated their Widora Neo board recently.

The new model uses 32MB WSON-8 factor SPI flash
instead of the original 16MB SOP-8 factor SPI flash.

All the other hardware components are the same as
the first revision.

Detailed hardware specs listed below:

CPU: MTK MT7688AN
RAM: 128MB DDR2
ROM: 32MB WSON-8 factor SPI Flash (Winbond)
WiFi: Built-in 802.11n 150Mbps?
Ethernet: 10/100Mbps x1
Audio codec: WM8960
Other IO: USB OTG;
	  USB Power+Serial (CP2104);
	  3x LEDs (Power, LAN, WiFi);
	  2x Keys (WPS, CPU Reset)
	  1x Audio In/Out
	  1x IPEX antenna port
	  1x Micro SD slot

Signed-off-by: Jackson Ming Hu <huming2207@gmail.com>
Signed-off-by: Mathias Kresin <dev@kresin.me>

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

@@ -58,6 +58,7 @@ ramips_setup_interfaces()
 	timecloud|\
 	w150m|\
 	widora,neo-16m|\
+	widora,neo-32m|\
 	wnce2001|\
 	zbt-cpe102|\
 	zte-q7)

target/linux/ramips/base-files/etc/diag.sh

@@ -285,7 +285,8 @@ get_status_led() {
 	zbt-we2026)
 		status_led="$boardname:red:power"
 		;;
-	widora,neo-16m)
+	widora,neo-16m|\
+	widora,neo-32m)
 		status_led="widora:orange:wifi"
 		;;
 	wzr-agl300nh)

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

@@ -168,6 +168,7 @@ platform_check_image() {
 	whr-600d|\
 	whr-g300n|\
 	widora,neo-16m|\
+	widora,neo-32m|\
 	witi|\
 	wizfi630a|\
 	wl-330n|\

target/linux/ramips/dts/WIDORA-NEO-32M.dts

@@ -0,0 +1,54 @@
+/dts-v1/;
+
+#include "WIDORA-NEO.dtsi"
+
+/ {
+	compatible = "widora,neo-32m", "widora,neo", "mediatek,mt7628an-soc";
+	model = "Widora-NEO (32M)";
+};
+
+&spi0 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi_pins>, <&spi_cs1_pins>;
+
+	m25p80@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <40000000>;
+		m25p,chunked-io = <31>;
+
+		partition@0 {
+			label = "u-boot";
+			reg = <0x0 0x30000>;
+			read-only;
+		};
+
+		partition@30000 {
+			label = "u-boot-env";
+			reg = <0x30000 0x10000>;
+		};
+
+		factory: partition@40000 {
+			label = "factory";
+			reg = <0x40000 0x10000>;
+			read-only;
+		};
+
+		partition@50000 {
+			label = "firmware";
+			reg = <0x50000 0x1fb0000>;
+		};
+	};
+
+	spidev@1 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "linux,spidev";
+		reg = <1>;
+		spi-max-frequency = <40000000>;
+	};
+};

target/linux/ramips/image/mt76x8.mk

@@ -224,6 +224,14 @@ define Device/widora_neo-16m
 endef
 TARGET_DEVICES += widora_neo-16m
 
+define Device/widora_neo-32m
+  DTS := WIDORA-NEO-32M
+  IMAGE_SIZE := $(ralink_default_fw_size_32M)
+  DEVICE_TITLE := Widora-NEO (32M)
+  DEVICE_PACKAGES := kmod-usb2 kmod-usb-ohci
+endef
+TARGET_DEVICES += widora_neo-32m
+
 define Device/wrtnode2p
   DTS := WRTNODE2P
   IMAGE_SIZE := $(ralink_default_fw_size_16M)