modules: hal_nordic: Add nrf7120 support for hal_nordic

For compatibility with hal_nordic, nrfx_config files are needed
and nrf7120 SOC macro definitions.

Signed-off-by: David Jewsbury <david.jewsbury@nordicsemi.no>

Author: Hi-Im-David

modules/hal_nordic/CMakeLists.txt

@@ -0,0 +1,9 @@
+# Copyright (c) 2025 Nordic Semiconductor ASA
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+if(NOT DEFINED NRFX_DIR)
+  set(NRFX_DIR ${ZEPHYR_CURRENT_MODULE_DIR}/nrfx/ CACHE PATH "nrfx Directory")
+endif()
+
+zephyr_include_directories_ifdef(CONFIG_HAS_NRFX .)
+add_subdirectory(${ZEPHYR_BASE}/modules/hal_nordic ${CMAKE_CURRENT_BINARY_DIR}/modules/hal_nordic)
+add_subdirectory_ifdef(CONFIG_HAS_NRFX nrfx)

modules/hal_nordic/nrfx/CMakeLists.txt

@@ -0,0 +1,24 @@
+# Copyright (c) 2025 Nordic Semiconductor ASA
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+
+zephyr_library_amend(${ZEPHYR_NRF_MODULE_DIR})
+
+set(mdk_dir ${NRFX_DIR}/mdk)
+
+# Add definitions for products which are yet to be upstreamed.
+zephyr_compile_definitions_ifdef(CONFIG_SOC_NRF7120_ENGA NRF7120_ENGA_XXAA)
+zephyr_compile_definitions_ifdef(CONFIG_SOC_NRF7120_ENGA_CPUAPP NRF_APPLICATION)
+zephyr_compile_definitions_ifdef(CONFIG_SOC_NRF7120_ENGA_CPUFLPR NRF_FLPR)
+zephyr_compile_definitions_ifdef(CONFIG_SOC_COMPATIBLE_NRF7120_ENGA NRF7120_ENGA_XXAA)
+zephyr_compile_definitions_ifdef(CONFIG_SOC_COMPATIBLE_NRF7120_ENGA_CPUAPP NRF_APPLICATION)
+
+zephyr_library_sources_ifdef(CONFIG_SOC_NRF7120_ENGA ${mdk_dir}/system_nrf7120_enga.c)
+
+mdk_svd_ifdef(CONFIG_SOC_NRF7120_ENGA_CPUAPP nrf7120_enga_application.svd)
+mdk_svd_ifdef(CONFIG_SOC_NRF7120_ENGA_CPUFLPR nrf7120_enga_flpr.svd)
+
+if(CONFIG_SOC_NRF7120_ENGA_CPUAPP)
+  dt_prop(clock_frequency PATH "/cpus/cpu@0" PROPERTY "clock-frequency")
+  math(EXPR clock_frequency_mhz "${clock_frequency} / 1000000")
+  zephyr_compile_definitions("NRF_CONFIG_CPU_FREQ_MHZ=${clock_frequency_mhz}")
+endif()

modules/hal_nordic/nrfx_config_ext.h

@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
+#ifndef NRFX_CONFIG_EXT_H__
+#define NRFX_CONFIG_EXT_H__
+
+/* Include nrfx_config_nrf*.h for products which are yet to be upstreamed. */
+
+#if (defined(NRF7120_ENGA_XXAA) && defined(NRF_APPLICATION))
+    #include "templates/nrfx_config_nrf7120_enga_application.h"
+#elif (defined(NRF7120_ENGA_XXAA)) && defined(NRF_FLPR)
+    #include"templates/nrfx_config_nrf7120_enga_flpr.h"
+#else
+    #error "Unknown device."
+#endif
+
+#endif /* NRFX_CONFIG_EXT_H__ */

modules/modules.cmake

@@ -9,6 +9,7 @@ set(ZEPHYR_AZURE_SDK_FOR_C_KCONFIG ${CMAKE_CURRENT_LIST_DIR}/azure-sdk-for-c/Kco
 set(ZEPHYR_AZURE_SDK_FOR_C_CMAKE_DIR ${CMAKE_CURRENT_LIST_DIR}/azure-sdk-for-c)
 set(ZEPHYR_OPENTHREAD_CMAKE_DIR ${CMAKE_CURRENT_LIST_DIR}/openthread)
 set(ZEPHYR_OPENTHREAD_KCONFIG ${CMAKE_CURRENT_LIST_DIR}/openthread/Kconfig)
+set(ZEPHYR_HAL_NORDIC_CMAKE_DIR ${CMAKE_CURRENT_LIST_DIR}/hal_nordic)
 
 # Those are modules with Kconfig tree's inside the module repo but where
 # nRF Connect SDK extend those trees.