soc: st: stm32: add stm32c051 support

Add STM32C051 to the STM32C0 series

Signed-off-by: Thomas Stranger <[email protected]>

Author: str4t0m

soc/st/stm32/soc.yml

@@ -5,6 +5,7 @@ family:
     socs:
     - name: stm32c011xx
     - name: stm32c031xx
+    - name: stm32c051xx
     - name: stm32c071xx
     - name: stm32c091xx
     - name: stm32c092xx

soc/st/stm32/stm32c0x/Kconfig.defconfig.stm32c051xx

@@ -0,0 +1,12 @@
+# STMicroelectronics STM32C051xx MCU
+
+# Copyright (c) 2024 STMicroelectronics
+# Copyright (c) 2025 Thomas Stranger
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_STM32C051XX
+
+config NUM_IRQS
+	default 29
+
+endif # SOC_STM32C051XX

soc/st/stm32/stm32c0x/Kconfig.soc

@@ -18,6 +18,10 @@ config SOC_STM32C031XX
 	bool
 	select SOC_SERIES_STM32C0X
 
+config SOC_STM32C051XX
+	bool
+	select SOC_SERIES_STM32C0X
+
 config SOC_STM32C071XX
 	bool
 	select SOC_SERIES_STM32C0X
@@ -33,6 +37,7 @@ config SOC_STM32C092XX
 config SOC
 	default "stm32c011xx" if SOC_STM32C011XX
 	default "stm32c031xx" if SOC_STM32C031XX
+	default "stm32c051xx" if SOC_STM32C051XX
 	default "stm32c071xx" if SOC_STM32C071XX
 	default "stm32c091xx" if SOC_STM32C091XX
 	default "stm32c092xx" if SOC_STM32C092XX