Add XIAO Wio-SX1262 overlay; support SX12xx bandwidths (including 62.5 kHz) as default

- boards/seeed/xiao_wio_sx1262: add overlay, .conf, board.yml
- app: support full set of SX12xx bandwidths; default BW set to 62 (62.5 kHz)
- Update Kconfig and prj.conf
- Update lora_modem.h/c for validation and mapping

boards/heltec/heltec_meshpocket/board.yml

@@ -2,6 +2,5 @@ board:
   name: heltec_meshpocket
   full_name: "Heltec MeshPocket"
   vendor: heltec
-  url: https://heltec.org/project/mesh-pocket/
   socs:
     - name: nrf52840

boards/heltec/heltec_t114/board.yml

@@ -2,6 +2,5 @@ board:
   name: heltec_t114
   full_name: "Heltec Mesh Node T114"
   vendor: heltec
-  url: https://heltec.org/project/mesh-node-t114/
   socs:
     - name: nrf52840

boards/heltec/heltec_wifi_lora32_v3/board.yml

@@ -2,7 +2,6 @@ board:
   name: heltec_wifi_lora32_v3
   full_name: "Heltec WiFi LoRa 32 V3"
   vendor: heltec
-  url: https://heltec.org/project/wifi-lora-32-v3/
   socs:
     - name: esp32s3
       variants:

boards/heltec/heltec_wifi_lora32_v4/board.yml

@@ -2,7 +2,6 @@ board:
   name: heltec_wifi_lora32_v4
   full_name: "Heltec WiFi LoRa 32 V4"
   vendor: heltec
-  url: https://heltec.org/project/wifi-lora-32-v4/
   socs:
     - name: esp32s3
       variants:

boards/lilygo/lilygo_tbeam/board.yml

@@ -2,7 +2,6 @@ board:
   name: lilygo_tbeam
   full_name: "LilyGo T-Beam"
   vendor: lilygo
-  url: https://www.lilygo.cc/products/t-beam-v1-1
   socs:
     - name: esp32
       variants:

boards/lilygo/ttgo_lora32.conf

@@ -0,0 +1,7 @@
+# LilyGO TTGO LoRa32 — ESP32 + SX127x
+# Uses hardware UART over onboard USB-Serial bridge
+
+CONFIG_LORAMODEM_KISS_IFACE_UART=y
+
+# SX127x driver (via loramac-node)
+CONFIG_LORA_SX12XX=y

boards/lilygo/ttgo_lora32.overlay

@@ -0,0 +1,11 @@
+/*
+ * LilyGO TTGO LoRa32 — application DTS overlay
+ * KISS interface: UART0 (via onboard USB-Serial bridge)
+ * LoRa: SX127x on SPI (assumed present in upstream board DTS)
+ */
+
+/ {
+	chosen {
+		loramodem,kiss-uart = &uart0;
+	};
+};

boards/rak/rak_wismesh_pocket/board.yml

@@ -2,6 +2,5 @@ board:
   name: rak_wismesh_pocket
   full_name: "RAK WisMesh Pocket"
   vendor: rak
-  url: https://docs.rakwireless.com/Product-Categories/WisMesh/
   socs:
     - name: nrf52840

boards/rak/rak_wismesh_tag/board.yml

@@ -2,6 +2,5 @@ board:
   name: rak_wismesh_tag
   full_name: "RAK WisMesh Tag"
   vendor: rak
-  url: https://docs.rakwireless.com/Product-Categories/WisMesh/
   socs:
     - name: nrf52840

boards/seeed/seeed_wio_tracker/board.yml

@@ -2,6 +2,5 @@ board:
   name: seeed_wio_tracker
   full_name: "Seeed Wio Tracker 1110"
   vendor: seeed
-  url: https://wiki.seeedstudio.com/wio_tracker_1110_intro/
   socs:
     - name: nrf52840

boards/seeed/xiao_wio_sx1262/board.yml

@@ -0,0 +1,11 @@
+board:
+  name: xiao_wio_sx1262
+  full_name: "Seeed XIAO ESP32-S3 + Wio-SX1262"
+  vendor: seeed
+  socs:
+    - name: esp32s3
+      variants:
+        - name: procpu
+          cpucluster: procpu
+        - name: appcpu
+          cpucluster: appcpu

boards/seeed/xiao_wio_sx1262/xiao_wio_sx1262.conf

@@ -0,0 +1,5 @@
+# Seeed XIAO ESP32S3 + Wio-SX1262
+# KISS over USB CDC, enable generic SX12XX support (SX127x/SX126x family)
+
+CONFIG_LORAMODEM_KISS_IFACE_USB=y
+CONFIG_LORA_SX12XX=y

boards/seeed/xiao_wio_sx1262/xiao_wio_sx1262.overlay

@@ -0,0 +1,55 @@
+/*
+ * Seeed XIAO ESP32S3 + Wio-SX1262 — application DTS overlay
+ * KISS interface: USB CDC-ACM
+ * LoRa: SX1262 on SPI (wiring based on user-provided mappings)
+ *
+ * Pin mapping (logical Dx -> GPIO number assumed equal):
+ *  MOSI = D10 -> gpio0 10
+ *  MISO = D9  -> gpio0 9
+ *  SCK  = D8  -> gpio0 8
+ *  NSS  = D3  -> gpio0 3
+ *  DIO1 = D0  -> gpio0 0
+ *  BUSY = D1  -> gpio0 1
+ *  RST  = D2  -> gpio0 2
+ *  RF-SW= D4  -> gpio0 4
+ */
+
+/ {
+	chosen {
+		loramodem,kiss-uart = &usb_serial;
+	};
+	aliases {
+		lora0 = &lora;
+	};
+};
+
+/* Enable SPI2 and attach SX1262 on CS=D3 */
+&spi2 {
+	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+	pinctrl-0 = <&spim2_default>;
+	pinctrl-names = "default";
+	cs-gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
+
+	lora: lora@0 {
+		compatible = "semtech,sx1262";
+		reg = <0>;
+		spi-max-frequency = <4000000>;
+		reset-gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
+		busy-gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
+		dio1-gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
+		dio2-tx-enable;
+		/* RF switch (optional): high = TX */
+		tx-enable-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
+		/* If the module requires TCXO configuration, add dio3-tcxo-voltage */
+	};
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+};

boards/sensecap/sensecap_t1000e/board.yml

@@ -2,6 +2,5 @@ board:
   name: sensecap_t1000e
   full_name: "SenseCAP T1000-E"
   vendor: sensecap
-  url: https://www.seeedstudio.com/SenseCAP-Card-Tracker-T1000-E-p-5913.html
   socs:
     - name: nrf52840