ARM: stm32: add initial support for STM32MP13 family

This patch adds initial support of STM32MP13 microprocessor family
based on Arm Cortex-A7. New Cortex-A infrastructure (gic, timer,...)
are selected if ARCH_MULTI_V7 is defined.

Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/mach-stm32/Kconfig

@@ -48,6 +48,14 @@ config MACH_STM32MP157
 	select ARM_ERRATA_814220
 	default y
 
+config MACH_STM32MP13
+	bool "STMicroelectronics STM32MP13x"
+	select ARM_ERRATA_814220
+	default y
+	help
+	  Support for STM32MP13 SoCs:
+	  STM32MP131, STM32MP133, STM32MP135
+
 endif # ARMv7-A
 
 endif

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

@@ -18,6 +18,9 @@ static const char *const stm32_compat[] __initconst = {
 	"st,stm32f769",
 	"st,stm32h743",
 	"st,stm32h750",
+	"st,stm32mp131",
+	"st,stm32mp133",
+	"st,stm32mp135",
 	"st,stm32mp157",
 	NULL
 };