cpu/nrf53: add initial Kconfig

Signed-off-by: Dylan Laduranty <dylan.laduranty@mesotic.com>

cpu/nrf53/Kconfig

@@ -0,0 +1,42 @@
+# Copyright (c) 2023 Mesotic SAS
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+
+# For now, define all features here
+# We will rely on nrf5x_common later when we support more peripherals
+config CPU_FAM_NRF53
+    bool
+    select HAS_CPU_NRF53
+    select HAS_PERIPH_GPIO
+    select HAS_PERIPH_GPIO_IRQ
+    select HAS_PERIPH_TIMER_PERIODIC
+    select HAS_PERIPH_UART_MODECFG
+
+## CPU Models
+config CPU_MODEL_NRF5340_APP
+    bool
+    select CPU_CORE_CORTEX_M33
+    select CPU_FAM_NRF53
+
+## CPU common symbols
+config CPU_FAM
+    default "nrf53" if CPU_FAM_NRF53
+
+config CPU_MODEL
+    default "nrf5340_app" if CPU_MODEL_NRF5340_APP
+
+
+config CPU
+    default "nrf53" if CPU_FAM_NRF53
+
+## Definition of specific features
+config HAS_CPU_NRF53
+    bool
+    help
+        Indicates that the current cpu is 'nrf53'.
+
+rsource "vectors/Kconfig"
+
+source "$(RIOTCPU)/nrf5x_common/Kconfig"

cpu/nrf5x_common/Kconfig

@@ -5,6 +5,7 @@
 # directory for more details.
 
 config CPU_COMMON_NRF5X
+depends on !CPU_FAM_NRF53
     bool
     select HAS_BLE_NIMBLE
     select HAS_PERIPH_CPUID