[OpenWrt-Devel] [PATCHv2] ath79: add support for Ubiquiti AirRouter

[Russell Senior]

Indoor low-power router with 2.4 GHz radio

CPU:    Atheros AR7241 rev 1
RAM:    32 MB
Flash:  8 MB NOR SPI
Switch: Atheros AR7240
Ports:  1x WAN, 4x LAN 10/100 Ethernet
WLAN:   Atheros AR9285 (2.4 GHz)
USB:	1x USB2 host port

Note: Ethernet WAN/LAN port naming is reversed from ar71xx.
WAN is eth0; LAN is eth1.1.

UART settings: 115200, 8N1

                LEDs
	+--------------------------
	|
	|
	|
	|
	|
	|
	|
	|
    VCC	| x x
     RX	| * x
	| x x
	| x x
     TX	| * x
    GND	| * x
	|
	|
	|
	|
	+--------------------------
		ETHERNET PORTS

Installation from Ubiquiti firmware, is as for other ubnt-xm AirOs devices.

v2 adds some LED configuration in the device tree, cleans up some
braindamage from v1.

Signed-off-by: Russell Senior <russell at personaltelco.net>
---
 .../ath79/base-files/etc/board.d/02_network   |  3 +-
 .../etc/hotplug.d/firmware/10-ath9k-eeprom    |  1 +
 .../linux/ath79/dts/ar7241_ubnt_airrouter.dts | 42 +++++++++++++++++++
 target/linux/ath79/image/generic-ubnt.mk      |  7 ++++
 4 files changed, 52 insertions(+), 1 deletion(-)
 create mode 100644 target/linux/ath79/dts/ar7241_ubnt_airrouter.dts

diff --git a/target/linux/ath79/base-files/etc/board.d/02_network b/target/linux/ath79/base-files/etc/board.d/02_network
index 5f02c5769a..5fb0546d18 100755
--- a/target/linux/ath79/base-files/etc/board.d/02_network
+++ b/target/linux/ath79/base-files/etc/board.d/02_network
@@ -116,7 +116,8 @@ ath79_setup_interfaces()
 	buffalo,whr-g301n|\
 	tplink,tl-mr3220-v1|\
 	tplink,tl-mr3420-v1|\
-	tplink,tl-wr841-v7)
+	tplink,tl-wr841-v7|\
+	ubnt,airrouter)
 		ucidef_set_interface_wan "eth0"
 		ucidef_add_switch "switch0" \
 			"0 at eth1" "1:lan:4" "2:lan:3" "3:lan:2" "4:lan:1"
diff --git a/target/linux/ath79/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom b/target/linux/ath79/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
index 020abe2913..68f70174bb 100644
--- a/target/linux/ath79/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
+++ b/target/linux/ath79/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom
@@ -141,6 +141,7 @@ case "$FIRMWARE" in
 	tplink,tl-wr741-v1|\
 	tplink,tl-wr743nd-v1|\
 	tplink,tl-wr841-v7|\
+	ubnt,airrouter|\
 	ubnt,bullet-m|\
 	ubnt,nano-m|\
 	ubnt,rocket-m)
diff --git a/target/linux/ath79/dts/ar7241_ubnt_airrouter.dts b/target/linux/ath79/dts/ar7241_ubnt_airrouter.dts
new file mode 100644
index 0000000000..eecdf28108
--- /dev/null
+++ b/target/linux/ath79/dts/ar7241_ubnt_airrouter.dts
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include "ar7241_ubnt_xm.dtsi"
+
+/ {
+	compatible = "ubnt,airrouter", "qca,ar7241";
+	model = "Ubiquiti AirRouter";
+
+	aliases {
+		led-boot = &globe;
+		led-failsafe = &globe;
+		led-running = &globe;
+		led-upgrade = &globe;
+	};
+
+	leds {
+		status = "disabled";
+	};
+
+	airrouter-leds {
+		compatible = "gpio-leds";
+
+		globe: globe {
+			label = "ubnt:green:globe";
+			gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
+		};
+
+		power {
+			label = "ubnt:green:power";
+			gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;
+		};
+	};
+};
+
+&usb_phy {
+        status = "okay";
+};
+
+&usb {
+        status = "okay";
+};
diff --git a/target/linux/ath79/image/generic-ubnt.mk b/target/linux/ath79/image/generic-ubnt.mk
index bb86c8b288..a6d9b06332 100644
--- a/target/linux/ath79/image/generic-ubnt.mk
+++ b/target/linux/ath79/image/generic-ubnt.mk
@@ -63,6 +63,13 @@ define Device/ubnt-wa
   ATH_SOC := ar9342
 endef
 
+define Device/ubnt_airrouter
+  $(Device/ubnt-xm)
+  DEVICE_TITLE := Ubiquiti AirRouter
+  SUPPORTED_DEVICES += airrouter
+endef
+TARGET_DEVICES += ubnt_airrouter
+
 define Device/ubnt_bullet-m
   $(Device/ubnt-xm)
   DEVICE_TITLE := Ubiquiti Bullet-M
-- 
2.19.1


-- 
Russell Senior, President
russell at personaltelco.net

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