[PATCH v2] ramips: add support for Wavlink WL-WN576A2

dev.aldrian at gmail.com dev.aldrian at gmail.com
Tue Nov 2 12:10:39 PDT 2021 

From: Thomas Aldrian <dev.aldrian at gmail.com>

This commit adds support for the Wavlink WL-WN576A2 wall-plug wireles
repeater / router. It is also sold under the name SilverCrest SWV 733 B1.

Device specs:

- CPU: MediaTek MT7628AN
- Flash: 8MB
- RAM: 64MB
- Bootloader: U-Boot
- Ethernet: 1x 10/100 Mbps
- 2.4 GHz: b/g/n SoC
- 5 GHz: a/n/ac MT7610EN
- Buttons: WPS, reset, sliding switch (ap/repeater)
- LEDs: 5x wifi status, 1x LAN/WAN, 1x WPS

Flashing:

U-Boot launches a TFTP client if WPS button is held during boot.

- Server IP: 192.168.10.100
- Firmware file name: firmware.bin

Device will reboot automatically. First boot takes about 90s.

Coelner (waenger at gmail.com) is the original author, but I have made some
fixes. He does not wish to sign off using his real name.

Signed-off-by: Thomas Aldrian <dev.aldrian at gmail.com>
---
 .../dts/mt7628an_wavlink_wl-wn576a2.dts       | 184 ++++++++++++++++++
 target/linux/ramips/image/mt76x8.mk           |  10 +
 .../mt76x8/base-files/etc/board.d/01_leds     |   3 +
 .../mt76x8/base-files/etc/board.d/02_network  |   6 +-
 4 files changed, 201 insertions(+), 2 deletions(-)
 create mode 100644 target/linux/ramips/dts/mt7628an_wavlink_wl-wn576a2.dts

diff --git a/target/linux/ramips/dts/mt7628an_wavlink_wl-wn576a2.dts b/target/linux/ramips/dts/mt7628an_wavlink_wl-wn576a2.dts
new file mode 100644
index 0000000000..bb1ddd0040
--- /dev/null
+++ b/target/linux/ramips/dts/mt7628an_wavlink_wl-wn576a2.dts
@@ -0,0 +1,184 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "mt7628an.dtsi"
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	compatible = "wavlink,wl-wn576a2", "mediatek,mt7628an-soc";
+	model = "Wavlink WL-WN576A2";
+
+	aliases {
+		led-boot = &led_wps;
+		led-failsafe = &led_wps;
+		led-running = &led_wps;
+		led-upgrade = &led_wps;
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "reset";
+			gpios = <&gpio 43 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_RESTART>;
+		};
+
+		wps {
+			label = "wps";
+			gpios = <&gpio 38 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_WPS_BUTTON>;
+		};
+
+		ap {
+			label = "ap";
+			gpios = <&gpio 41 GPIO_ACTIVE_LOW>;
+			linux,code = <BTN_0>;
+			linux,input-type = <EV_SW>;
+		};
+
+		repeater {
+			label = "repeater";
+			gpios = <&gpio 42 GPIO_ACTIVE_LOW>;
+			linux,code = <BTN_1>;
+			linux,input-type = <EV_SW>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		wifi-high {
+			label = "blue:wifi-high";
+			gpios = <&gpio 37 GPIO_ACTIVE_LOW>;
+		};
+
+		wifi-mediumhigh {
+			label = "blue:wifi-mediumhigh";
+			gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
+		};
+
+		wifi-medium {
+			label = "blue:wifi-medium";
+			gpios = <&gpio 44 GPIO_ACTIVE_LOW>;
+		};
+
+		wifi-mediumlow {
+			label = "blue:wifi-mediumlow";
+			gpios = <&gpio 39 GPIO_ACTIVE_LOW>;
+		};
+
+		wifi-low {
+			label = "blue:wifi-low";
+			gpios = <&gpio 40 GPIO_ACTIVE_LOW>;
+		};
+
+		lan {
+			label = "blue:lan";
+			gpios = <&gpio 2 GPIO_ACTIVE_LOW>;
+		};
+
+		led_wps: wps {
+			label = "blue:wps";
+			gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&state_default {
+	gpio {
+		groups = "i2c", "i2s", "wdt", "wled_an", "p0led_an", "p1led_an",
+			"p2led_an", "p3led_an", "p4led_an", "refclk", "gpio";
+		function = "gpio";
+	};
+};
+
+&pcie {
+	status = "okay";
+};
+
+&pcie0 {
+	wifi at 0,0 {
+		reg = <0x0000 0 0 0 0>;
+		mediatek,mtd-eeprom = <&factory 0x8000>;
+		ieee80211-freq-limit = <5000000 6000000>;
+	};
+};
+
+&spi0 {
+	status = "okay";
+
+	flash at 0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <40000000>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition at 0 {
+				label = "u-boot";
+				reg = <0x0 0x30000>;
+				read-only;
+			};
+
+			partition at 30000 {
+				label = "u-boot-env";
+				reg = <0x30000 0x10000>;
+				read-only;
+			};
+
+			factory: partition at 40000 {
+				label = "factory";
+				reg = <0x40000 0x10000>;
+				read-only;
+			};
+
+			partition at 50000 {
+				compatible = "denx,uimage";
+				label = "firmware";
+				reg = <0x50000 0x7b0000>;
+			};
+		};
+	};
+};
+
+&wmac {
+	status = "okay";
+
+	mediatek,mtd-eeprom = <&factory 0x0>;
+};
+
+&ethernet {
+	nvmem-cells = <&macaddr_factory_28>;
+	nvmem-cells-names = "max-address";
+};
+
+&esw {
+	mediatek,portmap = <0x3f>;
+};
+
+&usbphy {
+	status = "disabled";
+};
+
+&ehci {
+	status = "disabled";
+};
+
+&ohci {
+	status = "disabled";
+};
+
+&factory {
+	compatible = "nvmem-cells";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	macaddr_factory_28: macaddr at 28 {
+		reg = <0x28 0x6>;
+	};
+};
diff --git a/target/linux/ramips/image/mt76x8.mk b/target/linux/ramips/image/mt76x8.mk
index 7d28cd62e8..e9188e7405 100644
--- a/target/linux/ramips/image/mt76x8.mk
+++ b/target/linux/ramips/image/mt76x8.mk
@@ -758,6 +758,16 @@ define Device/wavlink_wl-wn575a3
 endef
 TARGET_DEVICES += wavlink_wl-wn575a3
 
+define Device/wavlink_wl-wn576a2
+  IMAGE_SIZE := 7872k
+  DEVICE_VENDOR := Wavlink
+  DEVICE_MODEL := WL-WN576A2
+  DEVICE_ALT0_VENDOR := Silvercrest
+  DEVICE_ALT0_MODEL := SWV 733 B1
+  DEVICE_PACKAGES := kmod-mt76x0e
+endef
+TARGET_DEVICES += wavlink_wl-wn576a2
+
 define Device/wavlink_wl-wn577a2
   IMAGE_SIZE := 7872k
   DEVICE_VENDOR := Wavlink
diff --git a/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds b/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
index 98a693c2e9..0af01d4393 100644
--- a/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
+++ b/target/linux/ramips/mt76x8/base-files/etc/board.d/01_leds
@@ -136,6 +136,9 @@ wavlink,wl-wn575a3)
 	ucidef_set_led_rssi "wifi-med" "wifi-med" "green:wifi-med" "wlan1" "50" "84"
 	ucidef_set_led_rssi "wifi-high" "wifi-high" "green:wifi-high" "wlan1" "85" "100"
 	;;
+wavlink,wl-wn576a2)
+	ucidef_set_led_switch "lan" "lan" "blue:lan" "switch0" "0x10"
+	;;
 wavlink,wl-wn577a2|\
 wavlink,wl-wn578a2)
 	ucidef_set_led_switch "lan" "lan" "green:lan" "switch0" "0x8"
diff --git a/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network b/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
index 12a29b3907..d4e3027f4e 100644
--- a/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt76x8/base-files/etc/board.d/02_network
@@ -129,7 +129,8 @@ ramips_setup_interfaces()
 		ucidef_add_switch "switch0" \
 			"0:lan" "1:lan" "2:lan" "3:wan" "6 at eth0"
 		;;
-	tplink,tl-wr902ac-v3)
+	tplink,tl-wr902ac-v3|\
+	wavlink,wl-wn576a2)
 		ucidef_add_switch "switch0" \
 			"4:lan" "6 at eth0"
 		;;
@@ -229,7 +230,8 @@ ramips_setup_macs()
 	onion,omega2|\
 	onion,omega2p|\
 	vocore,vocore2|\
-	vocore,vocore2-lite)
+	vocore,vocore2-lite|\
+	wavlink,wl-wn576a2)
 		label_mac=$(mtd_get_mac_binary factory 0x4)
 		;;
 	rakwireless,rak633|\
-- 
2.33.0

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