stm32wbax 802154 driver support

MAINTAINERS.yml

@@ -4359,6 +4359,7 @@ STM32 Platforms:
   files-exclude:
     - boards/st/*wb*/
     - drivers/bluetooth/hci/*stm32*.c
+    - drivers/ieee802154/*stm32*.c
     - soc/st/stm32/stm32wb*/
   labels:
     - "platform: STM32"
@@ -4372,7 +4373,6 @@ STM32 Wireless Platforms:
   collaborators:
     - asm5878
     - HoZHel
-    - benothmn-st
     - mathieuchopstm
   files:
     - boards/shields/x_nucleo_bnrg2a1/
@@ -4381,12 +4381,13 @@ STM32 Wireless Platforms:
     - boards/st/*wb*/
     - drivers/bluetooth/hci/*stm32*.c
     - drivers/bluetooth/hci/hci_spi_st.c
+    - drivers/ieee802154/*stm32*.c
     - soc/st/stm32/stm32wb*/
   labels:
     - "platform: STM32"
   description: >-
-    STM32WB SOCs, dts files and related drivers. STM32WB development boards
-    and ST bluetooth shields.
+    STM32WB and STM32WBA SOCs, dts files and related drivers.
+    STM32WB and STM32WBA development boards and ST bluetooth shields.
 
 Samples:
   status: maintained

boards/st/nucleo_wba65ri/doc/nucleo_wba65ri.rst

@@ -152,6 +152,19 @@ Supported Features
 
 .. zephyr:board-supported-hw::
 
+Bluetooth and IEEE 802.15.4 support
+-----------------------------------
+
+BLE and IEEE 802.15.4 support are enabled on nucleo_wba65ri. To build a zephyr sample using this board
+you first need to install Bluetooth and/or IEEE 802.15.4 Controller libraries available in Zephyr as
+binary blobs.
+
+To fetch Binary Blobs:
+
+.. code-block:: console
+
+   west blobs fetch hal_stm32
+
 Connections and IOs
 ===================
 

boards/st/nucleo_wba65ri/nucleo_wba65ri.dts

@@ -158,6 +158,10 @@ stm32_lp_tick_source: &lptim1 {
 	status = "okay";
 };
 
+&ieee802154 {
+	status = "okay";
+};
+
 &flash0 {
 	partitions {
 		compatible = "fixed-partitions";

drivers/ieee802154/CMakeLists.txt

@@ -20,4 +20,5 @@ zephyr_library_sources_ifdef(CONFIG_IEEE802154_MCXW		ieee802154_mcxw.c		ieee8021
 zephyr_library_sources_ifdef(CONFIG_IEEE802154_NRF5		ieee802154_nrf5.c)
 zephyr_library_sources_ifdef(CONFIG_IEEE802154_RF2XX		ieee802154_rf2xx.c)
 zephyr_library_sources_ifdef(CONFIG_IEEE802154_RF2XX		ieee802154_rf2xx_iface.c)
+zephyr_library_sources_ifdef(CONFIG_IEEE802154_STM32WBA		ieee802154_stm32wba.c)
 zephyr_library_sources_ifdef(CONFIG_IEEE802154_TELINK_B91	ieee802154_b91.c)

drivers/ieee802154/Kconfig

@@ -91,6 +91,8 @@ source "drivers/ieee802154/Kconfig.dw1000"
 
 source "drivers/ieee802154/Kconfig.esp32"
 
+source "drivers/ieee802154/Kconfig.stm32wba"
+
 source "drivers/ieee802154/Kconfig.uart_pipe"
 
 config IEEE802154_CSL_ENDPOINT

drivers/ieee802154/Kconfig.stm32wba

@@ -0,0 +1,69 @@
+# STMicroelectronics STM32WBAxx 802.15.4 configuration options
+
+# Copyright (c) 2025 STMicroelectronics
+
+menuconfig IEEE802154_STM32WBA
+	bool "STM32WBA series IEEE 802.15.4 Driver"
+	default y
+	depends on DT_HAS_ST_STM32WBA_IEEE802154_ENABLED
+
+if IEEE802154_STM32WBA
+
+config IEEE802154_STM32WBA_RX_BUFFERS
+	int "STM32WBA 802.15.4 receive buffers"
+	default 16
+	range 16 128
+	help
+	  Number of buffers in 802.15.4 driver serialization host's receive queue.
+	  Increase this number if you are expected to be in a noisy environment, handling many
+	  end-devices and you have sufficient RAM to allocate memory to buffers.
+	  If this value is increased, IEEE802154_STM32WBA_RX_STACK_SIZE value might require
+	  to be updated as well.
+
+config IEEE802154_STM32WBA_RX_STACK_SIZE
+	int "Driver RX thread stack size"
+	default 800
+	help
+	  This option sets the driver's stack size for its internal RX thread.
+	  The default value should be sufficient, but in case it proves to be
+	  too low, adjust as needed.
+
+config IEEE802154_STM32WBA_CSMA_CA_ENABLED
+	bool "CSMA-CA configuration"
+	default y
+	help
+	  This option enables the CSMA-CA feature.
+
+config IEEE802154_STM32WBA_INIT_PRIO
+	int "STM32WBA IEEE 802.15.4 initialization priority"
+	default 80
+	help
+	  Set the initialization priority number. Do not mess with it unless
+	  you know what you are doing.
+
+config IEEE802154_STM32WBA_DELAY_TRX_ACC
+	int "Clock accuracy for delayed operations"
+	default 20
+	range 0 255
+	help
+	  Accuracy of the clock used for scheduling radio delayed operations (delayed transmission
+	  or delayed reception), in ppm.
+
+config IEEE802154_STM32WBA_LOG_RX_FAILURES
+	bool "Frame reception failures logging"
+	help
+	  There are few cases where the frame reception failure can happen because of
+	  internal causes. These cases are reported forward by general code error.
+
+	  This option enables logging the reason of frame reception failure.
+	  It can be helpful for the network traffic analysis but it generates also
+	  a lot of log records in a stressed environment.
+
+config NET_L2_CUSTOM_IEEE802154_STM32WBA
+	bool "Use ST MAC as L2"
+	default y
+	depends on NET_L2_CUSTOM_IEEE802154
+	help
+	  Custom STM32WBA series IEEE 802.15.4 L2 Implementation.
+
+endif # IEEE802154_STM32WBA