From 2f3c3a65fdb53b9911856c4e9d86b12a5ed820d6 Mon Sep 17 00:00:00 2001
From: Giancarlo Stasi <giancarlo.stasi.co@gmail.com>
Date: Fri, 20 Mar 2020 16:05:04 +0100
Subject: [PATCH] soc: arm: st_stm32: add support for STM32L462xE

Add support for the STM32L462xE SoC (AES not yet supported).

Signed-off-by: Giancarlo Stasi <giancarlo.stasi.co@gmail.com>
---
 dts/arm/st/l4/stm32l462.dtsi                  |  7 ++++++
 dts/arm/st/l4/stm32l462Xe.dtsi                | 22 +++++++++++++++++
 .../stm32l4/Kconfig.defconfig.stm32l462xx     | 24 +++++++++++++++++++
 soc/arm/st_stm32/stm32l4/Kconfig.soc          |  3 +++
 4 files changed, 56 insertions(+)
 create mode 100644 dts/arm/st/l4/stm32l462.dtsi
 create mode 100644 dts/arm/st/l4/stm32l462Xe.dtsi
 create mode 100644 soc/arm/st_stm32/stm32l4/Kconfig.defconfig.stm32l462xx

diff --git a/dts/arm/st/l4/stm32l462.dtsi b/dts/arm/st/l4/stm32l462.dtsi
new file mode 100644
index 00000000000..150d892503f
--- /dev/null
+++ b/dts/arm/st/l4/stm32l462.dtsi
@@ -0,0 +1,7 @@
+/*
+ * Copyright (c) 2020 Giancarlo Stasi
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <st/l4/stm32l452.dtsi>
diff --git a/dts/arm/st/l4/stm32l462Xe.dtsi b/dts/arm/st/l4/stm32l462Xe.dtsi
new file mode 100644
index 00000000000..d73342bb408
--- /dev/null
+++ b/dts/arm/st/l4/stm32l462Xe.dtsi
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2020 Giancarlo Stasi
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <mem.h>
+#include <st/l4/stm32l462.dtsi>
+
+/ {
+	sram0: memory@20000000 {
+		reg = <0x20000000 DT_SIZE_K(160)>;
+	};
+
+	soc {
+		flash-controller@40022000 {
+			flash0: flash@8000000 {
+				reg = <0x08000000 DT_SIZE_K(512)>;
+			};
+		};
+	};
+};
diff --git a/soc/arm/st_stm32/stm32l4/Kconfig.defconfig.stm32l462xx b/soc/arm/st_stm32/stm32l4/Kconfig.defconfig.stm32l462xx
new file mode 100644
index 00000000000..0261c7b4708
--- /dev/null
+++ b/soc/arm/st_stm32/stm32l4/Kconfig.defconfig.stm32l462xx
@@ -0,0 +1,24 @@
+# ST Microelectronics STM32L462XX MCU
+
+# Copyright (c) 2020 Giancarlo Stasi
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_STM32L462XX
+
+config SOC
+	default "stm32l462xx"
+
+config NUM_IRQS
+	default 85
+
+if GPIO_STM32
+
+config GPIO_STM32_PORTD
+	default y
+
+config GPIO_STM32_PORTE
+	default y
+
+endif # GPIO_STM32
+
+endif # SOC_STM32L462XX
diff --git a/soc/arm/st_stm32/stm32l4/Kconfig.soc b/soc/arm/st_stm32/stm32l4/Kconfig.soc
index 36fefa61f9c..3e2da7d03dd 100644
--- a/soc/arm/st_stm32/stm32l4/Kconfig.soc
+++ b/soc/arm/st_stm32/stm32l4/Kconfig.soc
@@ -25,6 +25,9 @@ config SOC_STM32L433XX
 config SOC_STM32L452XX
 	bool "STM32L452XX"
 
+config SOC_STM32L462XX
+	bool "STM32L462XX"
+
 config SOC_STM32L475XX
 	bool "STM32L475XX"