arch: arm: soc: provide support for stm32f072

Support the ST STM32F072xB SoC.

Signed-off-by: Neil Armstrong <[email protected]>

Author: superna9999

arch/arm/soc/st_stm32/stm32f0/Kconfig.defconfig.stm32f072xb

@@ -0,0 +1,22 @@
+# Kconfig - ST Microelectronics STM32F072XB MCU
+#
+# Copyright (c) 2017 BayLibre, SAS
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+if SOC_STM32F072XB
+
+config SOC
+	string
+	default stm32f072xb
+
+config FLASH_PAGE_SIZE
+	hex
+	default 0x800
+
+config NUM_IRQS
+	int
+	default 32
+
+endif # SOC_STM32F072XB

arch/arm/soc/st_stm32/stm32f0/Kconfig.soc

@@ -12,6 +12,9 @@ depends on SOC_SERIES_STM32F0X
 config SOC_STM32F030X8
 	bool "STM32F030X8"
 
+config SOC_STM32F072XB
+	bool "STM32F072XB"
+
 config SOC_STM32F091XC
 	bool "STM32F091XC"
 

dts/arm/st/mem.h

@@ -11,6 +11,9 @@
 #if defined(CONFIG_SOC_STM32F030X8)
 #define DT_FLASH_SIZE		__SIZE_K(64)
 #define DT_SRAM_SIZE		__SIZE_K(8)
+#elif defined(CONFIG_SOC_STM32F072XB)
+#define DT_FLASH_SIZE		__SIZE_K(128)
+#define DT_SRAM_SIZE		__SIZE_K(16)
 #elif defined(CONFIG_SOC_STM32F091XC)
 #define DT_FLASH_SIZE		__SIZE_K(256)
 #define DT_SRAM_SIZE		__SIZE_K(32)

dts/arm/st/stm32f072.dtsi

@@ -0,0 +1,7 @@
+/*
+ * Copyright (c) 2017 BayLibre, SAS
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <st/stm32f0.dtsi>