cpu/stm32: Add Kconfig dependency modeling

boards/common/nucleo/Kconfig

@@ -0,0 +1,17 @@
+# Copyright (c) 2021 HAW Hamburg
+#
+# 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.
+#
+
+if TEST_KCONFIG
+
+config MODULE_BOARDS_COMMON_NUCLEO
+    bool
+    default y
+    select MODULE_SAUL_GPIO if MODULE_SAUL_DEFAULT && HAS_PERIPH_GPIO
+    help
+        stm32 common nucleo code.
+
+endif # TEST_KCONFIG

boards/common/nucleo144/Kconfig

@@ -13,4 +13,5 @@ config BOARD_COMMON_NUCLEO144
     select BOARD_HAS_HSE if !CPU_FAM_L4 && !CPU_FAM_L5
     select BOARD_HAS_LSE
 
+source "$(RIOTBOARD)/common/nucleo/Kconfig"
 source "$(RIOTBOARD)/common/stm32/Kconfig"

boards/common/nucleo32/Kconfig

@@ -12,4 +12,5 @@ config BOARD_COMMON_NUCLEO32
     # Clock configuration
     select BOARD_HAS_LSE if (CPU_FAM_L0 || CPU_FAM_L4) && !BOARD_NUCLEO_L011K4
 
+source "$(RIOTBOARD)/common/nucleo/Kconfig"
 source "$(RIOTBOARD)/common/stm32/Kconfig"

boards/common/nucleo64/Kconfig

@@ -13,4 +13,5 @@ config BOARD_COMMON_NUCLEO64
     select BOARD_HAS_HSE if !CPU_FAM_G0 && !CPU_FAM_L0 && !CPU_FAM_L1 && !CPU_FAM_L4
     select BOARD_HAS_LSE if !BOARD_NUCLE0_L152RE
 
+source "$(RIOTBOARD)/common/nucleo/Kconfig"
 source "$(RIOTBOARD)/common/stm32/Kconfig"

cpu/stm32/Kconfig

@@ -36,4 +36,12 @@ orsource "kconfigs/*/Kconfig"
 orsource "kconfigs/*/Kconfig.lines"
 orsource "kconfigs/*/Kconfig.models"
 
+if TEST_KCONFIG
+
+rsource "periph/Kconfig"
+rsource "stmclk/Kconfig"
+rsource "vectors/Kconfig"
+
+endif # TEST_KCONFIG
+
 source "$(RIOTCPU)/cortexm_common/Kconfig"

cpu/stm32/Makefile.features

@@ -51,4 +51,11 @@ ifneq (,$(filter $(CPU_MODEL),$(STM32_WITH_MPU)))
   FEATURES_PROVIDED += cortexm_mpu
 endif
 
+# Add stm32 configs after including cortexm_common so stm32 takes precendence
+# This configuration enables modules that are only available when using Kconfig
+# module modelling
+ifeq (1, $(TEST_KCONFIG))
+  KCONFIG_ADD_CONFIG += $(RIOTCPU)/stm32/stm32.config
+endif
+
 include $(RIOTCPU)/cortexm_common/Makefile.features

cpu/stm32/periph/Kconfig

@@ -0,0 +1,28 @@
+# Copyright (c) 2021 HAW Hamburg
+#
+# 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.
+#
+
+config MODULE_PERIPH
+    bool
+    default y
+    select MODULE_XTIMER if MODULE_PERIPH_USBDEV
+    help
+        stm32 common peripheral code.
+
+config MODULE_PERIPH_UART_NONBLOCKING
+    depends on HAS_PERIPH_UART_NONBLOCKING
+    depends on MODULE_PERIPH_UART
+    select MODULE_TSRB
+
+config MODULE_PERIPH_CAN
+    bool
+    depends on HAS_PERIPH_CAN
+    depends on HAS_PERIPH_GPIO
+    depends on HAS_PERIPH_GPIO_IRQ
+    select MODULE_PERIPH_GPIO_IRQ
+    select MODULE_PERIPH_I2C
+    help
+        STM32 CAN peripheral controller.

cpu/stm32/stm32.config

@@ -0,0 +1 @@
+CONFIG_MODULE_PM_LAYERED=y

cpu/stm32/stmclk/Kconfig

@@ -0,0 +1,10 @@
+# Copyright (c) 2021 HAW Hamburg
+#
+# 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.
+#
+
+config MODULE_STM32_CLK
+    bool
+    default y

cpu/stm32/vectors/Kconfig

@@ -0,0 +1,10 @@
+# Copyright (c) 2021 HAW Hamburg
+#
+# 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.
+#
+
+config MODULE_STM32_VECTORS
+    bool
+    default y