From fafd20ca9301c4dad631c9707a0b902e2a201773 Mon Sep 17 00:00:00 2001
From: Francois Ramu <francois.ramu@st.com>
Date: Thu, 17 Oct 2019 17:53:49 +0200
Subject: [PATCH] soc: arm: st_stm32: add stm32g474 series

This patch introduces the support of the STM32G474
     device from STMicroelectronics.

Signed-off-by: Francois Ramu <francois.ramu@st.com>
---
 dts/arm/st/g4/stm32g474.dtsi                  |  7 ++++++
 dts/arm/st/g4/stm32g474Xe.dtsi                | 22 +++++++++++++++++++
 .../stm32g4/Kconfig.defconfig.stm32g474re     | 16 ++++++++++++++
 soc/arm/st_stm32/stm32g4/Kconfig.soc          |  3 +++
 4 files changed, 48 insertions(+)
 create mode 100644 dts/arm/st/g4/stm32g474.dtsi
 create mode 100644 dts/arm/st/g4/stm32g474Xe.dtsi
 create mode 100644 soc/arm/st_stm32/stm32g4/Kconfig.defconfig.stm32g474re

diff --git a/dts/arm/st/g4/stm32g474.dtsi b/dts/arm/st/g4/stm32g474.dtsi
new file mode 100644
index 00000000000..5a6f8cd906d
--- /dev/null
+++ b/dts/arm/st/g4/stm32g474.dtsi
@@ -0,0 +1,7 @@
+/*
+ * Copyright (c) 2019 STMicroelectronics.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <st/g4/stm32g431.dtsi>
diff --git a/dts/arm/st/g4/stm32g474Xe.dtsi b/dts/arm/st/g4/stm32g474Xe.dtsi
new file mode 100644
index 00000000000..701ffe694aa
--- /dev/null
+++ b/dts/arm/st/g4/stm32g474Xe.dtsi
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2019 STMicroelectronics.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <mem.h>
+#include <st/g4/stm32g474.dtsi>
+
+/ {
+	sram0: memory@20000000 {
+		reg = <0x20000000 DT_SIZE_K(128)>;
+	};
+
+	soc {
+		flash-controller@40022000 {
+			flash0: flash@8000000 {
+				reg = <0x08000000 DT_SIZE_K(512)>;
+			};
+		};
+	};
+};
diff --git a/soc/arm/st_stm32/stm32g4/Kconfig.defconfig.stm32g474re b/soc/arm/st_stm32/stm32g4/Kconfig.defconfig.stm32g474re
new file mode 100644
index 00000000000..de24e64abe7
--- /dev/null
+++ b/soc/arm/st_stm32/stm32g4/Kconfig.defconfig.stm32g474re
@@ -0,0 +1,16 @@
+# STMicroelectronics STM32G474RE MCU
+
+# Copyright (c) 2019 STMicroelectronics.
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_STM32G474XX
+
+config SOC
+	string
+	default "stm32g474xx"
+
+config NUM_IRQS
+	int
+	default 102
+
+endif # SOC_STM32G474XX
diff --git a/soc/arm/st_stm32/stm32g4/Kconfig.soc b/soc/arm/st_stm32/stm32g4/Kconfig.soc
index bec1a90a34a..67dbcbc6675 100644
--- a/soc/arm/st_stm32/stm32g4/Kconfig.soc
+++ b/soc/arm/st_stm32/stm32g4/Kconfig.soc
@@ -10,4 +10,7 @@ choice
 config SOC_STM32G431XX
 	bool "STM32G431XX"
 
+config SOC_STM32G474XX
+	bool "STM32G474XX"
+
 endchoice