ath79: add support for more AR7241 TP-Link boards

Its common AP99(AR7241) platform with following devices:

  TP-Link TL-WR841N/ND v7 (SoC AR7241 / Wifi AR9287 / without USB)
  TP-Link TL-MR3220 v1 (SoC AR7241 / Wifi AR9285 / USB support)
  TP-Link TL-MR3420 v1 (SoC AR7241 / Wifi AR9287 / USB support)

Signed-off-by: Dmytro Smyrnov <dioptimizer@hotmail.com>
Signed-off-by: Mathias Kresin <dev@kresin.me>

5 files changed, 227 insertions, 0 deletions

diff --git a/target/linux/ath79/dts/ar7241_tl-mr3220-v1.dts b/target/linux/ath79/dts/ar7241_tl-mr3220-v1.dts
new file mode 100644
index 0000000000..c970c25446
--- /dev/null
+++ b/target/linux/ath79/dts/ar7241_tl-mr3220-v1.dts
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include "ar7241_tl-mr3x20.dtsi"
+
+/ {
+	compatible = "tplink,tl-mr3220-v1", "qca,ar7241";
+	model = "TP-Link TL-MR3220 v1";
+
+	ath9k-leds {
+		compatible = "gpio-leds";
+
+		wlan {
+			label = "tp-link:green:wlan";
+			gpios = <&ath9k 1 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+			linux,default-trigger = "phy0tpt";
+		};
+	};
+};
diff --git a/target/linux/ath79/dts/ar7241_tl-mr3420-v1.dts b/target/linux/ath79/dts/ar7241_tl-mr3420-v1.dts
new file mode 100644
index 0000000000..e4c49f9a51
--- /dev/null
+++ b/target/linux/ath79/dts/ar7241_tl-mr3420-v1.dts
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include "ar7241_tl-mr3x20.dtsi"
+
+/ {
+	compatible = "tplink,tl-mr3420-v1", "qca,ar7241";
+	model = "TP-Link TL-MR3420 v1";
+
+	ath9k-leds {
+		compatible = "gpio-leds";
+
+		wlan {
+			label = "tp-link:green:wlan";
+			gpios = <&ath9k 0 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+			linux,default-trigger = "phy0tpt";
+		};
+	};
+};
diff --git a/target/linux/ath79/dts/ar7241_tl-mr3x20.dtsi b/target/linux/ath79/dts/ar7241_tl-mr3x20.dtsi
new file mode 100644
index 0000000000..bd83cdb7c1
--- /dev/null
+++ b/target/linux/ath79/dts/ar7241_tl-mr3x20.dtsi
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include "ar7241_tp-link.dtsi"
+
+/ {
+	gpio-export {
+		compatible = "gpio-export";
+		#size-cells = <0>;
+
+		gpio_usb_power {
+			gpio-export,name = "tp-link:power:usb";
+			gpio-export,output = <1>;
+			gpios = <&gpio 6 GPIO_ACTIVE_HIGH>;
+		};
+	};
+};
+
+&gpio_leds {
+	led3g {
+		label = "tp-link:green:3g";
+		gpios = <&gpio 8 GPIO_ACTIVE_LOW>;
+		default-state = "off";
+		trigger-sources = <&hub_port>;
+		linux,default-trigger = "usbport";
+	};
+};
+
+&usb {
+	status = "okay";
+
+	hub_port: port@1 {
+		reg = <1>;
+		#trigger-source-cells = <0>;
+	};
+};
+
+&usb_phy {
+	status = "okay";
+};
diff --git a/target/linux/ath79/dts/ar7241_tl-wr841-v7.dts b/target/linux/ath79/dts/ar7241_tl-wr841-v7.dts
new file mode 100644
index 0000000000..980809f1ba
--- /dev/null
+++ b/target/linux/ath79/dts/ar7241_tl-wr841-v7.dts
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include "ar7241_tp-link.dtsi"
+
+/ {
+	compatible = "tplink,tl-wr841-v7", "qca,ar7241";
+	model = "TP-LINK TL-WR841N/ND v7";
+
+	ath9k-leds {
+		compatible = "gpio-leds";
+
+		wlan {
+			label = "tp-link:green:wlan";
+			gpios = <&ath9k 0 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+			linux,default-trigger = "phy0tpt";
+		};
+	};
+};
diff --git a/target/linux/ath79/dts/ar7241_tp-link.dtsi b/target/linux/ath79/dts/ar7241_tp-link.dtsi
new file mode 100644
index 0000000000..3846d811ac
--- /dev/null
+++ b/target/linux/ath79/dts/ar7241_tp-link.dtsi
@@ -0,0 +1,128 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+#include "ar7241.dtsi"
+
+/ {
+	aliases {
+		led-status = &led_system;
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		poll-interval = <20>;
+
+		reset {
+			label = "reset";
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+		};
+
+		qss {
+			label = "qss";
+			linux,code = <KEY_WPS_BUTTON>;
+			gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+		};
+	};
+
+	gpio_leds: gpio-leds {
+		compatible = "gpio-leds";
+
+		led_system: system {
+			label = "tp-link:green:system";
+			gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
+		};
+
+		qss {
+			label = "tp-link:green:qss";
+			gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&spi {
+	status = "okay";
+	num-cs = <1>;
+
+	flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <25000000>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			uboot: partition@0 {
+				reg = <0x0 0x20000>;
+				label = "u-boot";
+				read-only;
+			};
+
+			partition@20000 {
+				reg = <0x20000 0x3d0000>;
+				label = "firmware";
+			};
+
+			partition@3f0000 {
+				reg = <0x3f0000 0x10000>;
+				label = "art";
+				read-only;
+			};
+		};
+	};
+};
+
+&pcie {
+	status = "okay";
+
+	ath9k: wifi@0 {
+		reg = <0x0000 0 0 0 0>;
+		#gpio-cells = <2>;
+		gpio-controller;
+		qca,no-eeprom;
+		mtd-mac-address = <&uboot 0x1fc00>;
+	};
+};
+
+&eth0 {
+	status = "okay";
+
+	phy-handle = <&phy4>;
+
+	mtd-mac-address = <&uboot 0x1fc00>;
+	mtd-mac-address-increment = <(-1)>;
+};
+
+&eth1 {
+	status = "okay";
+
+	mtd-mac-address = <&uboot 0x1fc00>;
+	mtd-mac-address-increment = <1>;
+};
+
+&mdio0 {
+	status = "okay";
+
+	phy4: ethernet-phy@4 {
+		reg = <4>;
+		phy-mode = "mii";
+	};
+};
+
+&gpio {
+	status = "okay";
+};
+
+&uart {
+	status = "okay";
+};