From 3e2765cc0da9f309b952ee31c9ff7cf6ad0a3b7a Mon Sep 17 00:00:00 2001
From: Mathieu Anquetin <mathieu.anquetin@groupe-cahors.com>
Date: Wed, 19 Jul 2023 15:11:37 +0200
Subject: [PATCH] dts: arm: st: Add dts and soc additions for stm32f105xb

Added dts additions for stm32f105xb cpu which is the same as existing
stm32f105xc with less flash.

Signed-off-by: Mathieu Anquetin <mathieu.anquetin@groupe-cahors.com>
---
 dts/arm/st/f1/stm32f105Xb.dtsi                | 22 +++++++++++++++++++
 ...32f105xc => Kconfig.defconfig.stm32f105xx} |  4 ++--
 soc/arm/st_stm32/stm32f1/Kconfig.soc          |  4 ++++
 3 files changed, 28 insertions(+), 2 deletions(-)
 create mode 100644 dts/arm/st/f1/stm32f105Xb.dtsi
 rename soc/arm/st_stm32/stm32f1/{Kconfig.defconfig.stm32f105xc => Kconfig.defconfig.stm32f105xx} (72%)

diff --git a/dts/arm/st/f1/stm32f105Xb.dtsi b/dts/arm/st/f1/stm32f105Xb.dtsi
new file mode 100644
index 00000000000..7db805c8a5f
--- /dev/null
+++ b/dts/arm/st/f1/stm32f105Xb.dtsi
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2023 Groupe Cahors
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <mem.h>
+#include <st/f1/stm32f105.dtsi>
+
+/ {
+	sram0: memory@20000000 {
+		reg = <0x20000000 DT_SIZE_K(64)>;
+	};
+
+	soc {
+		flash-controller@40022000 {
+			flash0: flash@8000000 {
+				reg = <0x08000000 DT_SIZE_K(128)>;
+			};
+		};
+	};
+};
diff --git a/soc/arm/st_stm32/stm32f1/Kconfig.defconfig.stm32f105xc b/soc/arm/st_stm32/stm32f1/Kconfig.defconfig.stm32f105xx
similarity index 72%
rename from soc/arm/st_stm32/stm32f1/Kconfig.defconfig.stm32f105xc
rename to soc/arm/st_stm32/stm32f1/Kconfig.defconfig.stm32f105xx
index 0a2c9c2232f..b7963eacb6a 100644
--- a/soc/arm/st_stm32/stm32f1/Kconfig.defconfig.stm32f105xc
+++ b/soc/arm/st_stm32/stm32f1/Kconfig.defconfig.stm32f105xx
@@ -3,7 +3,7 @@
 # Copyright (c) 2019 Argentum Systems Ltd.
 # SPDX-License-Identifier: Apache-2.0
 
-if SOC_STM32F105XC
+if SOC_STM32F105XC || SOC_STM32F105XB
 
 config SOC
 	string
@@ -13,4 +13,4 @@ config NUM_IRQS
 	int
 	default 68
 
-endif # SOC_STM32F105XC
+endif # SOC_STM32F105XC || STM32F105XB
diff --git a/soc/arm/st_stm32/stm32f1/Kconfig.soc b/soc/arm/st_stm32/stm32f1/Kconfig.soc
index 46e9ff96c90..82f9b5100e5 100644
--- a/soc/arm/st_stm32/stm32f1/Kconfig.soc
+++ b/soc/arm/st_stm32/stm32f1/Kconfig.soc
@@ -26,6 +26,10 @@ config SOC_STM32F103X8
 	bool "STM32F103X8"
 	select SOC_STM32F10X_DENSITY_DEVICE
 
+config SOC_STM32F105XB
+	bool "STM32F105XB"
+	select SOC_STM32F10X_CONNECTIVITY_LINE_DEVICE
+
 config SOC_STM32F105XC
 	bool "STM32F105XC"
 	select SOC_STM32F10X_CONNECTIVITY_LINE_DEVICE