soc: arm: st_stm32: stm32l0: Add support for STM32L081

Add support for the STM32L081xx soc series. Signed-off-by: Caspar Friedrich <[email protected]>
pdgendt · Nov 6, 2023 · 8242ef0 · 8242ef0
1 parent 2283b02
commit 8242ef0
Show file tree

Hide file tree

Showing 4 changed files with 53 additions and 0 deletions.
diff --git a/dts/arm/st/l0/stm32l081.dtsi b/dts/arm/st/l0/stm32l081.dtsi
@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2023 Caspar Friedrich <[email protected]>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <st/l0/stm32l071.dtsi>
+
+/ {
+	soc {
+		compatible = "st,stm32l081", "st,stm32l0", "simple-bus";
+	};
+};
diff --git a/dts/arm/st/l0/stm32l081Xz.dtsi b/dts/arm/st/l0/stm32l081Xz.dtsi
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2023 Caspar Friedrich <[email protected]>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <mem.h>
+#include <st/l0/stm32l081.dtsi>
+
+/ {
+	sram0: memory@20000000 {
+		reg = <0x20000000 DT_SIZE_K(20)>;
+	};
+
+	soc {
+		flash-controller@40022000 {
+			flash0: flash@8000000 {
+				reg = <0x08000000 DT_SIZE_K(192)>;
+			};
+		};
+	};
+};
diff --git a/soc/arm/st_stm32/stm32l0/Kconfig.defconfig.stm32l081xx b/soc/arm/st_stm32/stm32l0/Kconfig.defconfig.stm32l081xx
@@ -0,0 +1,14 @@
+# ST Microelectronics STM32L081XX MCU
+
+# Copyright (c) 2023 Caspar Friedrich <[email protected]>
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_STM32L081XX
+
+config SOC
+	default "stm32l081xx"
+
+config NUM_IRQS
+	default 32
+
+endif # SOC_STM32L081XX
diff --git a/soc/arm/st_stm32/stm32l0/Kconfig.soc b/soc/arm/st_stm32/stm32l0/Kconfig.soc
@@ -38,4 +38,8 @@ config SOC_STM32L073XX
 	bool "STM32L073XX"
 	select CPU_HAS_ARM_MPU
 
+config SOC_STM32L081XX
+	bool "STM32L081XX"
+	select CPU_HAS_ARM_MPU
+
 endchoice