IEEE 802.15.4 support for ESP32-C6

boards/espressif/esp32c6_devkitc/esp32c6_devkitc.dts

@@ -21,6 +21,7 @@
 		zephyr,shell-uart = &uart0;
 		zephyr,flash = &flash0;
 		zephyr,code-partition = &slot0_partition;
+		zephyr,ieee802154 = &ieee802154;
 	};
 
 	aliases {
@@ -71,3 +72,7 @@
 &wdt0 {
 	status = "okay";
 };
+
+&ieee802154 {
+	status = "okay";
+};

boards/espressif/esp32c6_devkitc/esp32c6_devkitc.yaml

@@ -15,3 +15,4 @@ supported:
   - counter
   - entropy
   - i2c
+  - netif:openthread

boards/seeed/xiao_esp32c6/xiao_esp32c6.dts

@@ -22,6 +22,7 @@
 		zephyr,shell-uart = &usb_serial;
 		zephyr,flash = &flash0;
 		zephyr,code-partition = &slot0_partition;
+		zephyr,ieee802154 = &ieee802154;
 	};
 
 	leds: leds {
@@ -76,3 +77,7 @@
 	pinctrl-0 = <&uart0_default>;
 	pinctrl-names = "default";
 };
+
+&ieee802154 {
+	status = "okay";
+};

boards/seeed/xiao_esp32c6/xiao_esp32c6.yaml

@@ -12,6 +12,7 @@ supported:
   - spi
   - entropy
   - i2c
+  - netif:openthread
 testing:
   ignore_tags:
     - tracing

drivers/ieee802154/CMakeLists.txt

@@ -13,6 +13,7 @@ zephyr_library_sources_ifdef(CONFIG_IEEE802154_CC13XX_CC26XX_SUB_GHZ
 )
 zephyr_library_sources_ifdef(CONFIG_IEEE802154_CC2520		ieee802154_cc2520.c)
 zephyr_library_sources_ifdef(CONFIG_IEEE802154_DW1000		ieee802154_dw1000.c)
+zephyr_library_sources_ifdef(CONFIG_IEEE802154_ESP32		ieee802154_esp32.c)
 zephyr_library_sources_ifdef(CONFIG_IEEE802154_KW41Z		ieee802154_kw41z.c)
 zephyr_library_sources_ifdef(CONFIG_IEEE802154_MCR20A		ieee802154_mcr20a.c)
 zephyr_library_sources_ifdef(CONFIG_IEEE802154_NRF5		ieee802154_nrf5.c)

drivers/ieee802154/Kconfig

@@ -86,6 +86,8 @@ source "drivers/ieee802154/Kconfig.rf2xx"
 
 source "drivers/ieee802154/Kconfig.dw1000"
 
+source "drivers/ieee802154/Kconfig.esp32"
+
 source "drivers/ieee802154/Kconfig.uart_pipe"
 
 config IEEE802154_CSL_ENDPOINT

drivers/ieee802154/Kconfig.esp32

@@ -0,0 +1,205 @@
+# Espressif ESP32 802.15.4 configuration options
+
+# Copyright (c) 2024 A Labs GmbH
+# SPDX-License-Identifier: Apache-2.0
+
+menuconfig IEEE802154_ESP32
+	bool "ESP32 series IEEE 802.15.4 Driver"
+	default y
+	depends on DT_HAS_ESPRESSIF_ESP32_IEEE802154_ENABLED
+
+if IEEE802154_ESP32
+
+config IEEE802154_ESP32_INIT_PRIO
+	int "ESP32 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.
+
+# Kconfigs copied from Espressif HAL module (ESP-IDF) below
+
+config IEEE802154_RX_BUFFER_SIZE
+	int "Number of 802.15.4 receive buffers"
+	default 20
+	range 2 100
+	help
+	  The number of 802.15.4 receive buffers.
+
+	  This config is used in the Espressif HAL module.
+
+choice IEEE802154_CCA_MODE
+	prompt "Clear Channel Assessment (CCA) mode"
+	default IEEE802154_CCA_ED
+	help
+	  Configure the CCA mode
+
+	  This config is used in the Espressif HAL module.
+
+config IEEE802154_CCA_CARRIER
+	bool "Carrier sense only"
+	help
+	  Configure the CCA mode to Carrier sense only
+
+config IEEE802154_CCA_ED
+	bool "Energy above threshold"
+	help
+	  Configure the CCA mode to Energy above threshold
+
+config IEEE802154_CCA_CARRIER_OR_ED
+	bool "Carrier sense OR energy above threshold"
+	help
+	  Configure the CCA mode to Carrier sense OR energy above threshold
+
+config IEEE802154_CCA_CARRIER_AND_ED
+	bool "Carrier sense AND energy above threshold"
+	help
+	  Configure the CCA mode to Carrier sense AND energy above threshold
+
+endchoice # IEEE802154_CCA_MODE
+
+config IEEE802154_CCA_MODE
+	int
+	default 0 if IEEE802154_CCA_CARRIER
+	default 1 if IEEE802154_CCA_ED
+	default 2 if IEEE802154_CCA_CARRIER_OR_ED
+	default 3 if IEEE802154_CCA_CARRIER_AND_ED
+
+config IEEE802154_CCA_THRESHOLD
+	int "CCA detection threshold"
+	range -120 0
+	default -60
+	help
+	  Set the CCA threshold, in dB.
+
+	  This config is used in the Espressif HAL module.
+
+config IEEE802154_PENDING_TABLE_SIZE
+	int "Pending table size"
+	range 1 100
+	default 20
+	help
+	  set the pending table size
+
+config IEEE802154_MULTI_PAN_ENABLE
+	bool "Multi-pan feature for frame filter"
+	help
+	  Enable IEEE802154 multi-pan
+
+	  This config is used in the Espressif HAL module.
+
+config IEEE802154_TIMING_OPTIMIZATION
+	bool "Throughput optimization"
+	help
+	  Enabling this option increases throughput by ~5% at the expense of ~2.1k
+	  IRAM code size increase.
+
+	  This config is used in the Espressif HAL module.
+
+config IEEE802154_SLEEP_ENABLE
+	# Todo: Remove when support safe power-down of the power domain (IDF-7317)
+	bool "IEEE802154 light sleep"
+	depends on PM
+	help
+	  Enabling this option allows the IEEE802.15.4 module to be powered down during automatic
+	  light sleep, which reduces current consumption.
+
+	  This is currently untested in Zephyr. Use with caution.
+
+	  This config is used in the Espressif HAL module.
+
+menuconfig IEEE802154_DEBUG
+	bool "IEEE802154 Debug"
+	help
+	  Enabling this option allows different kinds of IEEE802154 debug output.
+	  All IEEE802154 debug features increase the size of the final binary.
+
+config IEEE802154_ASSERT
+	bool "Enrich the assert information with IEEE802154 state and event"
+	depends on IEEE802154_DEBUG
+	default n
+	help
+	  Enabling this option to add some probe codes in the driver, and this information
+	  will be printed when assert.
+
+	  This config is used in the Espressif HAL module.
+
+config IEEE802154_RECORD_EVENT
+	bool "Record event information for debugging"
+	depends on IEEE802154_DEBUG
+	help
+	  Enabling this option to record event, when assert, the recorded event will be printed.
+
+config IEEE802154_RECORD_EVENT_SIZE
+	int "Record event table size"
+	depends on IEEE802154_RECORD_EVENT
+	range 1 50
+	default 30
+	help
+	  Set the record event table size
+
+	  This config is used in the Espressif HAL module.
+
+config IEEE802154_RECORD_STATE
+	bool "Record state information for debugging"
+	depends on IEEE802154_DEBUG
+	help
+	  Enabling this option to record state, when assert, the recorded state will be printed.
+
+	  This config is used in the Espressif HAL module.
+
+config IEEE802154_RECORD_STATE_SIZE
+	int "Record state table size"
+	depends on IEEE802154_RECORD_STATE
+	range 1 50
+	default 10
+	help
+	  Set the record state table size.
+
+	  This config is used in the Espressif HAL module.
+
+config IEEE802154_RECORD_CMD
+	bool "Record command information for debugging"
+	depends on IEEE802154_DEBUG
+	help
+	  Enable this option to record the command information.
+
+	  This config is used in the Espressif HAL module.
+
+config IEEE802154_RECORD_CMD_SIZE
+	int "Record command table size"
+	depends on IEEE802154_RECORD_CMD
+	range 1 50
+	default 10
+	help
+	  Set the record command table size.
+
+	  This config is used in the Espressif HAL module.
+
+config IEEE802154_RECORD_ABORT
+	bool "Record abort information for debugging"
+	depends on IEEE802154_DEBUG
+	help
+	  Enable this option to record abort information.
+
+	  This config is used in the Espressif HAL module.
+
+config IEEE802154_RECORD_ABORT_SIZE
+	int "Record abort table size"
+	depends on IEEE802154_RECORD_ABORT
+	range 1 50
+	default 10
+	help
+	  Set the record abort table size.
+
+	  This config is used in the Espressif HAL module.
+
+config IEEE802154_TXRX_STATISTIC
+	bool "Record tx/rx packet information for debugging"
+	depends on IEEE802154_DEBUG
+	help
+	  Enable this option to record tx and rx packet information.
+
+	  This config is used in the Espressif HAL module.
+
+endif # IEEE802154_ESP32