drivers: Add ieee802154_gecko driver

This commit adds ieee802154_gecko driver for SiLabs Wireless Gecko
family.

Signed-off-by: Piotr Mienkowski <[email protected]>

Author: mnkp

drivers/ieee802154/CMakeLists.txt

@@ -9,3 +9,8 @@ zephyr_sources_ifdef(CONFIG_IEEE802154_CC1200 ieee802154_cc1200.c)
 zephyr_sources_ifdef(CONFIG_IEEE802154_CC13XX_CC26XX ieee802154_cc13xx_cc26xx.c)
 zephyr_sources_ifdef(CONFIG_IEEE802154_RF2XX ieee802154_rf2xx.c)
 zephyr_sources_ifdef(CONFIG_IEEE802154_RF2XX ieee802154_rf2xx_iface.c)
+
+if(CONFIG_IEEE802154_GECKO)
+	zephyr_sources(ieee802154_gecko.c)
+	zephyr_link_libraries(RAIL_LIB)
+endif()

drivers/ieee802154/Kconfig

@@ -23,6 +23,8 @@ config IEEE802154_RAW_MODE
 
 source "drivers/ieee802154/Kconfig.cc2520"
 
+source "drivers/ieee802154/Kconfig.gecko"
+
 source "drivers/ieee802154/Kconfig.kw41z"
 
 source "drivers/ieee802154/Kconfig.mcr20a"

drivers/ieee802154/Kconfig.gecko

@@ -0,0 +1,35 @@
+# SiLabs Gecko IEEE 802.15.4 Driver configuration options
+
+# Copyright (c) 2020 Piotr Mienkowski
+# SPDX-License-Identifier: Apache-2.0
+
+menuconfig IEEE802154_GECKO
+	bool "SiLabs Gecko IEEE 802.15.4 Driver"
+	depends on NETWORKING && SOC_GECKO_HAS_IEEE802154_RADIO
+	select SOC_GECKO_RAIL_LIB
+	select SOC_GECKO_RAIL_LIB_IEEE802154
+
+if IEEE802154_GECKO
+
+config IEEE802154_GECKO_DRV_NAME
+	string "SiLabs Gecko Driver's name"
+	default "IEEE802154_GECKO"
+	help
+	  This option sets the driver name. Do not change it unless
+	  you know what you are doing.
+
+config IEEE802154_GECKO_TXPOWER_RAW
+	int "Radio TX Power"
+	default 254
+	help
+	  Standard transmission power in RAIL raw units. Value 254 indicates the
+	  highest power level available on the current PA.
+
+config IEEE802154_GECKO_INIT_PRIORITY
+	int "SiLabs Gecko Driver initialization priority"
+	default 80
+	help
+	  Set the initialization priority number. Do not change it unless
+	  you know what you are doing. It has to start before the net stack.
+
+endif # IEEE802154_GECKO