diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c
index 46e5a2922c4d..47c7de8f39e9 100644
--- a/drivers/regulator/s2mps11.c
+++ b/drivers/regulator/s2mps11.c
@@ -267,6 +267,7 @@ static struct regulator_ops s2mps11_buck_ops = {
 	.ops		= &s2mps11_ldo_ops,		\
 	.type		= REGULATOR_VOLTAGE,		\
 	.owner		= THIS_MODULE,			\
+	.ramp_delay	= RAMP_DELAY_12_MVUS,		\
 	.min_uV		= MIN_800_MV,			\
 	.uV_step	= step,				\
 	.n_voltages	= S2MPS11_LDO_N_VOLTAGES,	\
diff --git a/include/linux/mfd/samsung/core.h b/include/linux/mfd/samsung/core.h
index 6bc4bcd488ac..5a23dd4df432 100644
--- a/include/linux/mfd/samsung/core.h
+++ b/include/linux/mfd/samsung/core.h
@@ -30,6 +30,9 @@
 #define MIN_600_MV		600000
 #define MIN_500_MV		500000
 
+/* Ramp delay in uV/us */
+#define RAMP_DELAY_12_MVUS	12000
+
 /* Macros to represent steps for LDO/BUCK */
 #define STEP_50_MV		50000
 #define STEP_25_MV		25000