From 79c24e3e5eabebc0ce73dab7fb62ee340f4113b5 Mon Sep 17 00:00:00 2001
From: Armando Visconti <armando.visconti@st.com>
Date: Mon, 16 Sep 2019 11:17:27 +0200
Subject: [PATCH] soc: arm: st: add stm32l4r9xx support

Add support for ST stm32l4r9xx System-on-Chip.

See http://www.st.com/en/microcontrollers/stm32l4r9-s9.html
for more details.

Signed-off-by: Armando Visconti <armando.visconti@st.com>
---
 dts/arm/st/l4/stm32l4r9.dtsi                  |  9 +++++
 dts/arm/st/l4/stm32l4r9Xi.dtsi                | 18 ++++++++++
 .../stm32l4/Kconfig.defconfig.stm32l4r9xx     | 34 +++++++++++++++++++
 soc/arm/st_stm32/stm32l4/Kconfig.soc          |  4 +++
 4 files changed, 65 insertions(+)
 create mode 100644 dts/arm/st/l4/stm32l4r9.dtsi
 create mode 100644 dts/arm/st/l4/stm32l4r9Xi.dtsi
 create mode 100644 soc/arm/st_stm32/stm32l4/Kconfig.defconfig.stm32l4r9xx

diff --git a/dts/arm/st/l4/stm32l4r9.dtsi b/dts/arm/st/l4/stm32l4r9.dtsi
new file mode 100644
index 00000000000..b0f53d17c22
--- /dev/null
+++ b/dts/arm/st/l4/stm32l4r9.dtsi
@@ -0,0 +1,9 @@
+/*
+ * Copyright (c) 2019 STMicroelectronics
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <mem.h>
+#include <st/l4/stm32l4r5.dtsi>
+
diff --git a/dts/arm/st/l4/stm32l4r9Xi.dtsi b/dts/arm/st/l4/stm32l4r9Xi.dtsi
new file mode 100644
index 00000000000..82fe423ed12
--- /dev/null
+++ b/dts/arm/st/l4/stm32l4r9Xi.dtsi
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2019 STMicroelectronics
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <mem.h>
+#include <st/l4/stm32l4r9.dtsi>
+
+/ {
+	soc {
+		flash-controller@40022000 {
+			flash0: flash@8000000 {
+				reg = <0x08000000 DT_SIZE_K(2048)>;
+			};
+		};
+	};
+};
diff --git a/soc/arm/st_stm32/stm32l4/Kconfig.defconfig.stm32l4r9xx b/soc/arm/st_stm32/stm32l4/Kconfig.defconfig.stm32l4r9xx
new file mode 100644
index 00000000000..7d930c4ab10
--- /dev/null
+++ b/soc/arm/st_stm32/stm32l4/Kconfig.defconfig.stm32l4r9xx
@@ -0,0 +1,34 @@
+# Kconfig - ST Microelectronics STM32L4R9xx MCU
+#
+# Copyright (c) 2019 STMicroelectronics
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+if SOC_STM32L4R9XX
+
+config SOC
+	string
+	default "stm32l4r9xx"
+
+config NUM_IRQS
+	int
+	default 95
+
+if GPIO_STM32
+
+config GPIO_STM32_PORTD
+	default y
+
+config GPIO_STM32_PORTE
+	default y
+
+config GPIO_STM32_PORTF
+	default y
+
+config GPIO_STM32_PORTG
+	default y
+
+endif # GPIO_STM32
+
+endif # SOC_STM32L4R9XX
diff --git a/soc/arm/st_stm32/stm32l4/Kconfig.soc b/soc/arm/st_stm32/stm32l4/Kconfig.soc
index 57601d4ea04..f22ad86a512 100644
--- a/soc/arm/st_stm32/stm32l4/Kconfig.soc
+++ b/soc/arm/st_stm32/stm32l4/Kconfig.soc
@@ -3,6 +3,7 @@
 # Copyright (c) 2016 Open-RnD Sp. z o.o.
 # Copyright (c) 2016 BayLibre, SAS
 # Copyright (c) 2019 Centaur Analytics, Inc
+# Copyright (c) 2019 STMicroelectronics
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -32,6 +33,9 @@ config SOC_STM32L475XX
 config SOC_STM32L4R5XX
 	bool "STM32L4R5XX"
 
+config SOC_STM32L4R9XX
+	bool "STM32L4R9XX"
+
 config SOC_STM32L471XX
 	bool "STM32L471XX"