ath79: preliminary support for TP-Link WDR3600 / WDR4300 (AR9344)

working:
 - leds
 - buttons
 - lan / wan
 - usb (hub port 1 + 2)
 - wifi 5g
 - sysupgrade
 - ...

not working:
 - wifi 2g

Signed-off-by: Johann Neuhauser <johann@it-neuhauser.de>

1 files changed, 219 insertions, 0 deletions

diff --git a/target/linux/ath79/dts/ar934x.dtsi b/target/linux/ath79/dts/ar934x.dtsi
new file mode 100644
index 0000000000..b8a915f36c
--- /dev/null
+++ b/target/linux/ath79/dts/ar934x.dtsi
@@ -0,0 +1,219 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+
+#include <dt-bindings/clock/ath79-clk.h>
+
+#include "ath79.dtsi"
+
+/ {
+	compatible = "qca,ar9340";
+
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	chosen {
+		bootargs = "console=ttyS0,115200";
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			compatible = "mips,mips74Kc";
+			clocks = <&pll ATH79_CLK_CPU>;
+			reg = <0>;
+		};
+	};
+
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		ref: ref {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-output-names = "ref";
+		};
+	};
+
+	ahb {
+		compatible = "simple-bus";
+		ranges;
+
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		apb: apb {
+			compatible = "simple-bus";
+			ranges;
+
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			ddr_ctrl: memory-controller@18000000 {
+				compatible = "qca,ar9340-ddr-controller",
+						"qca,ar7240-ddr-controller";
+				reg = <0x18000000 0x12c>;
+
+				#qca,ddr-wb-channel-cells = <1>;
+			};
+
+			uart: uart@18020000 {
+				compatible = "ns16550a";
+				reg = <0x18020000 0x2c>;
+
+				interrupts = <3>;
+
+				clocks = <&pll ATH79_CLK_REF>;
+				clock-names = "uart";
+
+				reg-io-width = <4>;
+				reg-shift = <2>;
+				no-loopback-test;
+
+				status = "disabled";
+			};
+
+			gpio: gpio@18040000 {
+				compatible = "qca,ar9340-gpio";
+				reg = <0x18040000 0x2c>;
+
+				interrupts = <2>;
+				ngpios = <23>;
+
+				gpio-controller;
+				#gpio-cells = <2>;
+
+				interrupt-controller;
+				#interrupt-cells = <2>;
+			};
+
+			pinmux: pinmux@1804002c {
+				compatible = "pinctrl-single";
+
+				reg = <0x1804002c 0x44>;
+
+				#size-cells = <0>;
+
+				pinctrl-single,bit-per-mux;
+				pinctrl-single,register-width = <32>;
+				pinctrl-single,function-mask = <0x1>;
+				#pinctrl-cells = <2>;
+
+				jtag_disable_pins: pinmux_jtag_disable_pins {
+					pinctrl-single,bits = <0x40 0x2 0x2>;
+				};
+			};
+
+			pll: pll-controller@18050000 {
+				compatible = "qca,ar9340-pll", "syscon";
+				reg = <0x18050000 0x4c>;
+
+				#clock-cells = <1>;
+				clocks = <&ref>;
+				clock-names = "ref";
+				clock-output-names = "cpu", "ddr", "ahb";
+			};
+
+			wdt: wdt@18060008 {
+				compatible = "qca,ar9340-wdt", "qca,ar7130-wdt";
+				reg = <0x18060008 0x8>;
+
+				interrupts = <4>;
+
+				clocks = <&pll ATH79_CLK_AHB>;
+				clock-names = "wdt";
+			};
+
+			rst: reset-controller@1806001c {
+				compatible = "qca,ar9340-reset", "qca,ar7100-reset";
+				reg = <0x1806001c 0x4>;
+
+				#reset-cells = <1>;
+			};
+
+			gmac: gmac@18070000 {
+				compatible = "qca,ar9340-gmac", "qca,ar9330-gmac";
+				reg = <0x18070000 0x14>;
+			};
+		};
+
+		usb: usb@1b000000 {
+			compatible = "generic-ehci";
+			reg = <0x1b000000 0x1d8>;
+
+			interrupts = <3>;
+			resets = <&rst 5>;
+			reset-names = "usb-host";
+
+			has-transaction-translator;
+			caps-offset = <0x100>;
+
+			phy-names = "usb-phy";
+			phys = <&usb_phy>;
+
+			status = "disabled";
+		};
+
+		spi: spi@1f000000 {
+			compatible = "qca,ar9340-spi", "qca,ar7100-spi";
+			reg = <0x1f000000 0x1c>;
+
+			clocks = <&pll ATH79_CLK_AHB>;
+			clock-names = "ahb";
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			status = "disabled";
+		};
+	};
+
+	usb_phy: usb-phy {
+		compatible = "qca,ar9340-usb-phy", "qca,ar7200-usb-phy";
+
+		reset-names = "usb-phy", "usb-suspend-override";
+		resets = <&rst 4>, <&rst 3>;
+
+		#phy-cells = <0>;
+
+		status = "disabled";
+	};
+};
+
+&cpuintc {
+	qca,ddr-wb-channel-interrupts = <2>, <3>, <4>, <5>;
+	qca,ddr-wb-channels = <&ddr_ctrl 3>, <&ddr_ctrl 2>,
+				<&ddr_ctrl 0>, <&ddr_ctrl 1>;
+};
+
+&mdio0 {
+	resets = <&rst 22>;
+	reset-names = "mdio";
+};
+
+&eth0 {
+	compatible = "qca,ar9340-eth", "syscon";
+
+	pll-data = <0x16000000 0x00000101 0x00001616>;
+	pll-reg = <0x4 0x2c 17>;
+	pll-handle = <&pll>;
+
+	resets = <&rst 8>, <&rst 9>;
+	reset-names = "mac", "phy";
+};
+
+&mdio1 {
+	resets = <&rst 23>;
+	reset-names = "mdio";
+	builtin-switch;
+};
+
+&eth1 {
+	compatible = "qca,ar9340-eth", "syscon";
+
+	resets = <&rst 12>, <&rst 13>;
+	reset-names = "mac", "phy";
+};