hwspinlock: add stm32 hardware spinlock support
Implement hardware spinlock support for STM32MP1.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/drivers/hwspinlock/Kconfig b/drivers/hwspinlock/Kconfig
index de367fd..96d4f5d 100644
--- a/drivers/hwspinlock/Kconfig
+++ b/drivers/hwspinlock/Kconfig
@@ -13,4 +13,12 @@
can be probed and support all the methods of HWSPINLOCK, but does not
really do anything.
+config HWSPINLOCK_STM32
+ bool "Enable Hardware Spinlock support for STM32"
+ depends on ARCH_STM32MP && DM_HWSPINLOCK
+ help
+ Enable hardware spinlock support in STM32MP. Hardware spinlocks are
+ hardware mutex which provide a synchronisation mechanism for the
+ various processors on the SoC.
+
endmenu