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>

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>;
+	};
+};

target/linux/ath79/generic/base-files/etc/board.d/01_leds

@@ -106,7 +106,8 @@ comfast,cf-e560ac)
 	ucidef_set_led_switch "lan3" "LAN3" "$boardname:blue:lan3" "switch0" "0x08"
 	ucidef_set_led_switch "lan4" "LAN4" "$boardname:blue:lan4" "switch0" "0x10"
 	;;
-comfast,cf-ew72)
+comfast,cf-ew72|\
+telco,t1)
 	ucidef_set_led_switch "lan" "LAN" "$boardname:blue:lan" "switch0" "0x02"
 	ucidef_set_led_netdev "wan" "WAN" "$boardname:blue:wan" "eth1"
 	;;

target/linux/ath79/generic/base-files/etc/board.d/03_gpio_switches

@@ -25,7 +25,8 @@ adtran,bsap1840)
 	ucidef_add_gpio_switch "wifi0_ext_c" "2.4GHz External Antenna C" "509" "1"
 	ucidef_add_gpio_switch "wifi0_int_c" "2.4GHz Internal Antenna C" "510"
 	;;
-comfast,cf-e5)
+comfast,cf-e5|\
+telco,t1)
 	ucidef_add_gpio_switch "lte_power" "LTE Power" "14" "1"
 	ucidef_add_gpio_switch "lte_wakeup" "LTE Wakeup" "11" "1"
 	ucidef_add_gpio_switch "lte_poweroff" "LTE Poweroff" "1" "1"

target/linux/ath79/image/generic.mk

@@ -1367,6 +1367,17 @@ define Device/sitecom_wlr-8100
 endef
 TARGET_DEVICES += sitecom_wlr-8100
 
+define Device/telco_t1
+  SOC := qca9531
+  DEVICE_VENDOR := Telco
+  DEVICE_MODEL := T1
+  DEVICE_PACKAGES := kmod-usb2 kmod-usb-net-qmi-wwan \
+	kmod-usb-serial-option uqmi -swconfig -uboot-envtools
+  IMAGE_SIZE := 16192k
+  SUPPORTED_DEVICES += telco_electronics,tel-t1
+endef
+TARGET_DEVICES += telco_t1
+
 define Device/teltonika_rut955
   SOC := ar9344
   DEVICE_VENDOR := Teltonika