From f7dcb04475b24e8c655aa8f285450ada17c16ebf Mon Sep 17 00:00:00 2001
From: Ludovic Barre <ludovic.barre@st.com>
Date: Tue, 16 Jan 2018 15:56:00 +0100
Subject: ARM: stm32: add initial support for STM32MP157

This patch adds initial support of STM32MP157 microprocessor (MPU)
based on Arm Cortex-A7. New Cortex-A infrastructure (gic, timer,...)
are selected if ARCH_MULTI_V7 is defined.

Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
---
 Documentation/arm/stm32/stm32mp157-overview.rst | 19 +++++++++++++++++++
 arch/arm/mach-stm32/Kconfig                     | 11 +++++++++++
 arch/arm/mach-stm32/board-dt.c                  |  1 +
 3 files changed, 31 insertions(+)
 create mode 100644 Documentation/arm/stm32/stm32mp157-overview.rst

diff --git a/Documentation/arm/stm32/stm32mp157-overview.rst b/Documentation/arm/stm32/stm32mp157-overview.rst
new file mode 100644
index 000000000000..62e176d47ca7
--- /dev/null
+++ b/Documentation/arm/stm32/stm32mp157-overview.rst
@@ -0,0 +1,19 @@
+STM32MP157 Overview
+===================
+
+Introduction
+------------
+
+The STM32MP157 is a Cortex-A MPU aimed at various applications.
+It features:
+
+- Dual core Cortex-A7 application core
+- 2D/3D image composition with GPU
+- Standard memories interface support
+- Standard connectivity, widely inherited from the STM32 MCU family
+- Comprehensive security support
+
+:Authors:
+
+- Ludovic Barre <ludovic.barre@st.com>
+- Gerald Baeza <gerald.baeza@st.com>
diff --git a/arch/arm/mach-stm32/Kconfig b/arch/arm/mach-stm32/Kconfig
index 1a876460c74d..5bc7f5ab61cd 100644
--- a/arch/arm/mach-stm32/Kconfig
+++ b/arch/arm/mach-stm32/Kconfig
@@ -1,6 +1,9 @@
 menuconfig ARCH_STM32
 	bool "STMicroelectronics STM32 family" if ARM_SINGLE_ARMV7M || ARCH_MULTI_V7
 	select ARMV7M_SYSTICK if ARM_SINGLE_ARMV7M
+	select HAVE_ARM_ARCH_TIMER if ARCH_MULTI_V7
+	select ARM_GIC if ARCH_MULTI_V7
+	select ARM_PSCI if ARCH_MULTI_V7
 	select ARCH_HAS_RESET_CONTROLLER
 	select CLKSRC_STM32
 	select PINCTRL
@@ -35,4 +38,12 @@ config MACH_STM32H743
 
 endif # ARMv7-M
 
+if ARCH_MULTI_V7
+
+config MACH_STM32MP157
+	bool "STMicroelectronics STM32MP157"
+	default y
+
+endif # ARMv7-A
+
 endif
diff --git a/arch/arm/mach-stm32/board-dt.c b/arch/arm/mach-stm32/board-dt.c
index 6786f357851f..06911ad60cea 100644
--- a/arch/arm/mach-stm32/board-dt.c
+++ b/arch/arm/mach-stm32/board-dt.c
@@ -14,6 +14,7 @@ static const char *const stm32_compat[] __initconst = {
 	"st,stm32f746",
 	"st,stm32f769",
 	"st,stm32h743",
+	"st,stm32mp157",
 	NULL
 };
 
-- 
cgit