dm: Add Hardware Spinlock class
This is uclass for Hardware Spinlocks.
It implements two mandatory operations: lock and unlock
and one optional relax operation.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
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
new file mode 100644
index 0000000..de367fd
--- /dev/null
+++ b/drivers/hwspinlock/Kconfig
@@ -0,0 +1,16 @@
+menu "Hardware Spinlock Support"
+
+config DM_HWSPINLOCK
+ bool "Enable U-Boot hardware spinlock support"
+ help
+ This option enables U-Boot hardware spinlock support
+
+config HWSPINLOCK_SANDBOX
+ bool "Enable Hardware Spinlock support for Sandbox"
+ depends on SANDBOX && DM_HWSPINLOCK
+ help
+ Enable hardware spinlock support in Sandbox. This is a dummy device that
+ can be probed and support all the methods of HWSPINLOCK, but does not
+ really do anything.
+
+endmenu