ath79: add support for Telco T1

Description:
    2x 100Mbps Etherent ports
    24V passive PoE
    64MB RAM
    16MB Flash
    2.4GHz WiFi
    1x WiFi antenna (RP-SMA connector)
    1x LTE antenna (SMA connector)
    Sierra Wireless MC7430 LTE modem

Flash instructions:
    Original firmware is based on OpenWrt.
    Flash using sysupgrade -n

SUPPORTED_DEVICES is added to support factory firmware.

Signed-off-by: Nicholas Smith <nicholas.smith@telcoantennas.com.au>
[add missing led_rssi0 DT label, add SUPPORTED_DEVICES]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

1 files changed, 144 insertions, 0 deletions

diff --git a/target/linux/ath79/dts/qca9531_telco_t1.dts b/target/linux/ath79/dts/qca9531_telco_t1.dts
new file mode 100644
index 0000000000..25a97edfca
--- /dev/null
+++ b/target/linux/ath79/dts/qca9531_telco_t1.dts
@@ -0,0 +1,144 @@
+// 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 "qca953x.dtsi"
+
+/ {
+	compatible = "telco,t1", "qca,qca9531";
+	model = "Telco T1";
+
+	aliases {
+		label-mac-device = &eth0;
+		led-boot = &led_rssi0;
+		led-failsafe = &led_rssi0;
+		led-running = &led_rssi0;
+		led-upgrade = &led_rssi0;
+	};
+
+	keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "reset";
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpio 17 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&jtag_disable_pins &pinmux_led_wan_pin>;
+
+		wan {
+			label = "t1:blue:wan";
+			gpios = <&gpio 4 GPIO_ACTIVE_LOW>;
+		};
+
+		lan {
+			label = "t1:blue:lan";
+			gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
+		};
+
+		wlan {
+			label = "t1:blue:wlan";
+			gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "phy0tpt";
+		};
+
+		led_rssi0: rssi0 {
+			label = "t1:blue:rssi0";
+			gpios = <&gpio 2 GPIO_ACTIVE_LOW>;
+		};
+
+		rssi1 {
+			label = "t1:blue:rssi1";
+			gpios = <&gpio 3 GPIO_ACTIVE_LOW>;
+		};
+
+		rssi2 {
+			label = "t1:blue:rssi2";
+			gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&uart {
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+};
+
+&usb_phy {
+	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 0x010000>;
+				read-only;
+			};
+
+			art: partition@10000 {
+				label = "art";
+				reg = <0x010000 0x010000>;
+				read-only;
+			};
+
+			partition@20000 {
+				compatible = "denx,uimage";
+				label = "firmware";
+				reg = <0x020000 0xfd0000>;
+			};
+
+			partition@ff0000 {
+				label = "art-backup";
+				reg = <0xff0000 0x010000>;
+				read-only;
+			};
+		};
+	};
+};
+
+&eth0 {
+	status = "okay";
+
+	mtd-mac-address = <&art 0x0>;
+
+	phy-handle = <&swphy4>;
+};
+
+&eth1 {
+	mtd-mac-address = <&art 0x6>;
+};
+
+&wmac {
+	status = "okay";
+
+	mtd-cal-data = <&art 0x1000>;
+};
+
+&pinmux {
+	pinmux_led_wan_pin: led_wan_pin {
+		pinctrl-single,bits = <0x4 0x0 0xff>;
+	};
+};