dectnrp_nrf91x1: first driver implementation

drivers/dectnrp/CMakeLists.txt

@@ -4,5 +4,5 @@
 zephyr_library_named(dectnrp_driver)
 
 zephyr_library_sources_ifdef(CONFIG_DECTNRP_DRIVER_NRF91
-    nrf91.c
+    dectnrp_nrf91x1.c
 )

drivers/dectnrp/Kconfig

@@ -16,6 +16,6 @@ config DECTNRP_DRIVER_BLOCKING_API
 
 endchoice
 
-rsource "Kconfig.nrf91"
+rsource "Kconfig.nrf91x1"
 
 endmenu

drivers/dectnrp/Kconfig.nrf91x1

@@ -0,0 +1,91 @@
+# Copyright (c) 2026 Codium Electronique
+# Copyright (c) 2026 Deveritec GmbH
+# SPDX-License-Identifier: Apache-2.0
+
+config DECTNRP_DRIVER_NRF91X1
+    bool "DECT NR+ NRF91X1 driver"
+    default y
+    depends on SOC_SERIES_NRF91X
+    depends on NRF_MODEM_LIB
+    depends on !MODEM_ANTENNA
+    depends on NRF_MODEM_LINK_BINARY_DECT_PHY
+
+if DECTNRP_DRIVER_NRF91X1
+
+menu "DECTNRP Radio interface"
+# Following configs belong to the radio interface.
+
+menu "DECTNRP NRF91X1 driver capabilities"
+
+config DECTNRP_DRIVER_RDCAP_DECTNRP_RELEASE
+	int
+	default 1
+
+config DECTNRP_DRIVER_RDCAP_POWERCLASS_MAX
+	int
+	default 3 if SOC_NRF9161_LACA && DECTNRP_DRIVER_NRF91X1_BAND_GROUP = 0
+	default 3 if SOC_NRF9131_LACA && DECTNRP_DRIVER_NRF91X1_BAND_GROUP = 0
+	default 2 if SOC_NRF9151_LACA && DECTNRP_DRIVER_NRF91X1_BAND_GROUP = 0
+	default 3 if SOC_NRF9151_LACA && DECTNRP_DRIVER_NRF91X1_BAND_GROUP = 1
+	default -1
+	range 1 4
+
+config DECTNRP_DRIVER_NRF91X1_BAND_GROUP
+    int
+    default 0 if DECTNRP_DRIVER_BAND = 1 || DECTNRP_DRIVER_BAND = 2 || DECTNRP_DRIVER_BAND = 9 || DECTNRP_DRIVER_BAND = 22
+    default 1 if DECTNRP_DRIVER_BAND = 4
+    default 0
+
+config DECTNRP_DRIVER_RDCAP_NSS_RX_MAX
+	int
+	default 1
+
+config DECTNRP_DRIVER_RDCAP_RXTX_DIVERSITY_MAX
+	int
+	default 1
+
+config DECTNRP_DRIVER_RDCAP_RXGAIN_DB
+	int
+	default -4 
+
+config DECTNRP_DRIVER_RDCAP_MCS_MAX
+	int
+	default 4
+
+config DECTNRP_DRIVER_RDCAP_SOFTBUFFERSIZE_BYTES_MAX
+	int
+	default 25344
+
+config DECTNRP_DRIVER_RDCAP_HARQ_PROC_MAX
+	int
+	default 8
+
+config DECTNRP_DRIVER_RDCAP_HARQ_FEEDBACKDELAY
+	int
+	default 2
+
+config DECTNRP_DRIVER_RDCAP_MU_MAX
+	int
+	default 1
+
+config DECTNRP_DRIVER_RDCAP_BETA_MAX
+	int
+	default 1
+
+config DECTNRP_DRIVER_MODEMTICKS_PER_SYMBOL
+	int
+	default 2880
+
+endmenu  # "DECTNRP Radio capabilities interface"
+
+endmenu  # "DECTNRP Radio interface"
+
+config DECTNRP_DRIVER_NRF91X1_CAP_LOGGING
+	bool "Enable printing of radio capabilities at startup"
+	default n
+
+module = DECTNRP_DRIVER_NRF91X1
+module-str = DECT NR+ NRF91X1 driver
+source "$(ZEPHYR_BASE)/subsys/logging/Kconfig.template.log_config"
+
+endif