ath79: add support for TP-Link RE355 v1 and RE450 v1

Specification:

SoC: Qualcomm Atheros QCA9558
RAM: 64/128MiB
Flash: 8MiB SPI-NOR
Wifi:
  - 2.4GHz: 3T3R (QCA9558)
  - 5GHz: 3T3R (QCA9880)
LAN: 1x 10/100/1000 Mbps
UART:
  - TP1: Tx
  - TP2: Rx
  - TP3: Gnd
  - TP4: 3v3

Flash instructions:
Flash factory image through stock firmware WEB UI.

Signed-off-by: Christoph Krapp <achterin@googlemail.com>

3 files changed, 198 insertions, 0 deletions

diff --git a/target/linux/ath79/dts/qca9558_tplink_re355-v1.dts b/target/linux/ath79/dts/qca9558_tplink_re355-v1.dts
new file mode 100644
index 0000000000..4f017786d3
--- /dev/null
+++ b/target/linux/ath79/dts/qca9558_tplink_re355-v1.dts
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include "qca9558_tplink_rex5x.dtsi"
+
+/ {
+	compatible = "tplink,re355-v1", "qca,qca9558";
+	model = "TP-Link RE355 v1";
+};
diff --git a/target/linux/ath79/dts/qca9558_tplink_re450-v1.dts b/target/linux/ath79/dts/qca9558_tplink_re450-v1.dts
new file mode 100644
index 0000000000..b9b1bd18b2
--- /dev/null
+++ b/target/linux/ath79/dts/qca9558_tplink_re450-v1.dts
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include "qca9558_tplink_rex5x.dtsi"
+
+/ {
+	compatible = "tplink,re450-v1", "qca,qca9558";
+	model = "TP-Link RE450 v1";
+};
diff --git a/target/linux/ath79/dts/qca9558_tplink_rex5x.dtsi b/target/linux/ath79/dts/qca9558_tplink_rex5x.dtsi
new file mode 100644
index 0000000000..c593cc434f
--- /dev/null
+++ b/target/linux/ath79/dts/qca9558_tplink_rex5x.dtsi
@@ -0,0 +1,180 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+#include "qca9557.dtsi"
+
+/ {
+	chosen {
+		bootargs = "console=ttyS0,115200n8";
+	};
+
+	aliases {
+		led-boot = &led_power;
+		led-failsafe = &led_power;
+		led-running = &led_power;
+		led-upgrade = &led_power;
+		mdio-gpio0 = &mdio2;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_power: power {
+			label = "tp-link:blue:power";
+			gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
+		};
+
+		wlan2g {
+			label = "tp-link:blue:wlan2g";
+			gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "phy1tpt";
+		};
+
+		wlan5g {
+			label = "tp-link:blue:wlan5g";
+			gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "phy0tpt";
+		};
+
+		lan_link {
+			label = "tp-link:green:lan_link";
+			gpios = <&gpio 23 GPIO_ACTIVE_LOW>;
+		};
+
+		lan_data {
+			label = "tp-link:green:lan_data";
+			gpios = <&gpio 17 GPIO_ACTIVE_LOW>;
+		};
+
+		wps_blue {
+			label = "tp-link:blue:wps";
+			gpios = <&gpio 21 GPIO_ACTIVE_HIGH>;
+		};
+
+		wps_red {
+			label = "tp-link:red:wps";
+			gpios = <&gpio 22 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "Reset button";
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+		};
+
+		leds {
+			label = "LED control button";
+			linux,code = <BTN_0>;
+			gpios = <&gpio 19 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+		};
+
+		wps {
+			label = "WPS button";
+			linux,code = <KEY_WPS_BUTTON>;
+			gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
+			debounce-interval = <60>;
+		};
+	};
+
+	mdio2: mdio {
+		compatible = "virtual,mdio-gpio";
+
+		gpios = <&gpio 3 GPIO_ACTIVE_HIGH>, /* MDC */
+			<&gpio 1 GPIO_ACTIVE_HIGH>; /* MDIO */
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		phy0: ethernet-phy@4 {
+			reg = <4>;
+			reset-gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&pcie0 {
+	status = "okay";
+};
+
+&uart {
+	status = "okay";
+};
+
+&gpio {
+	status = "okay";
+};
+
+&spi {
+	status = "okay";
+	num-cs = <1>;
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <25000000>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "u-boot";
+				reg = <0x000000 0x020000>;
+				read-only;
+			};
+
+			partition@20000 {
+				compatible = "tplink,firmware";
+				label = "firmware";
+				reg = <0x020000 0x5e0000>;
+			};
+
+			partition@600000 {
+				label = "partition-table";
+				reg = <0x600000 0x010000>;
+				read-only;
+			};
+
+			info: partition@610000 {
+				label = "info";
+				reg = <0x610000 0x020000>;
+				read-only;
+			};
+
+			partition@630000 {
+				label = "config";
+				reg = <0x630000 0x1c0000>;
+				read-only;
+			};
+
+			art: partition@7f0000 {
+				label = "art";
+				reg = <0x7f0000 0x010000>;
+				read-only;
+			};
+		};
+	};
+};
+
+&eth0 {
+	status = "okay";
+	mtd-mac-address = <&info 0x8>;
+	pll-data = <0xa6000000 0x00000101 0x00001616>;
+	phy-handle = <&phy0>;
+};
+
+&wmac {
+	status = "okay";
+	mtd-cal-data = <&art 0x1000>;
+	mtd-mac-address = <&info 0x8>;
+	mtd-mac-address-increment = <(-1)>;
+};