Merge tag 'stm32-soc-for-v4.12-1' of git://git.kernel.org/pub/scm/lin…

…ux/kernel/git/atorgue/stm32 into next/soc

STM32 SOC updates for v4.12, round 1.

Highlights:
----------
 - Create a dedicated Kconfig for STM32 machine
 - Add support of STM32H743 MCU

* tag 'stm32-soc-for-v4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32:
  ARM: stm32: Add a new SOC - STM32H743
  ARM: stm32: Introduce MACH_STM32H743 flag
  ARM: stm32: create dedicated kconfig for STM32 machine

Signed-off-by: Olof Johansson <olof@lixom.net>

Documentation/arm/stm32/stm32h743-overview.txt

@@ -0,0 +1,30 @@
+			STM32H743 Overview
+			==================
+
+  Introduction
+  ------------
+	The STM32H743 is a Cortex-M7 MCU aimed at various applications.
+	It features:
+	- Cortex-M7 core running up to @400MHz
+	- 2MB internal flash, 1MBytes internal RAM
+	- FMC controller to connect SDRAM, NOR and NAND memories
+	- Dual mode QSPI
+	- SD/MMC/SDIO support
+	- Ethernet controller
+	- USB OTFG FS & HS controllers
+	- I2C, SPI, CAN busses support
+	- Several 16 & 32 bits general purpose timers
+	- Serial Audio interface
+	- LCD controller
+	- HDMI-CEC
+	- SPDIFRX
+	- DFSDM
+
+  Resources
+  ---------
+	Datasheet and reference manual are publicly available on ST website:
+	- http://www.st.com/en/microcontrollers/stm32h7x3.html?querycriteria=productId=LN2033
+
+  Document Author
+  ---------------
+	Alexandre Torgue <alexandre.torgue@st.com>

arch/arm/Kconfig

@@ -810,6 +810,8 @@ source "arch/arm/mach-spear/Kconfig"
 
 source "arch/arm/mach-sti/Kconfig"
 
+source "arch/arm/mach-stm32/Kconfig"
+
 source "arch/arm/mach-s3c24xx/Kconfig"
 
 source "arch/arm/mach-s3c64xx/Kconfig"
@@ -868,28 +870,6 @@ config ARCH_LPC18XX
 	  Support for NXP's LPC18xx Cortex-M3 and LPC43xx Cortex-M4
 	  high performance microcontrollers.
 
-config ARCH_STM32
-	bool "STMicrolectronics STM32"
-	depends on ARM_SINGLE_ARMV7M
-	select ARCH_HAS_RESET_CONTROLLER
-	select ARMV7M_SYSTICK
-	select CLKSRC_STM32
-	select PINCTRL
-	select RESET_CONTROLLER
-	select STM32_EXTI
-	help
-	  Support for STMicroelectronics STM32 processors.
-
-config MACH_STM32F429
-	bool "STMicrolectronics STM32F429"
-	depends on ARCH_STM32
-	default y
-
-config MACH_STM32F746
-	bool "STMicrolectronics STM32F746"
-	depends on ARCH_STM32
-	default y
-
 config ARCH_MPS2
 	bool "ARM MPS2 platform"
 	depends on ARM_SINGLE_ARMV7M

arch/arm/mach-stm32/Kconfig

@@ -0,0 +1,26 @@
+config ARCH_STM32
+	bool "STMicrolectronics STM32"
+	depends on ARM_SINGLE_ARMV7M
+	select ARCH_HAS_RESET_CONTROLLER
+	select ARMV7M_SYSTICK
+	select CLKSRC_STM32
+	select PINCTRL
+	select RESET_CONTROLLER
+	select STM32_EXTI
+	help
+	  Support for STMicroelectronics STM32 processors.
+
+config MACH_STM32F429
+	bool "STMicrolectronics STM32F429"
+	depends on ARCH_STM32
+	default y
+
+config MACH_STM32F746
+	bool "STMicrolectronics STM32F746"
+	depends on ARCH_STM32
+	default y
+
+config MACH_STM32H743
+	bool "STMicrolectronics STM32H743"
+	depends on ARCH_STM32
+	default y

arch/arm/mach-stm32/board-dt.c

@@ -12,6 +12,7 @@ static const char *const stm32_compat[] __initconst = {
 	"st,stm32f429",
 	"st,stm32f469",
 	"st,stm32f746",
+	"st,stm32h743",
 	NULL
 };