diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
index 9bfa7780fcfa..cc4643e79f05 100644
--- a/drivers/mfd/rk808.c
+++ b/drivers/mfd/rk808.c
@@ -351,6 +351,7 @@ static const struct rk808_reg_data rk818_pre_init_reg[] = {
 	{ RK808_RTC_CTRL_REG, RTC_STOP, RTC_STOP},
 	{ RK808_VB_MON_REG,	  MASK_ALL,	    VB_LO_ACT |
 						    VB_LO_SEL_3500MV },
+	{RK808_CLK32OUT_REG, CLK32KOUT2_FUNC_MASK, CLK32KOUT2_FUNC},
 };
 
 static const struct regmap_irq rk805_irqs[] = {
diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
index 50cc98f86329..3c8094bbc590 100644
--- a/include/linux/mfd/rk808.h
+++ b/include/linux/mfd/rk808.h
@@ -644,6 +644,8 @@ enum rk805_reg {
 
 #define VOUT_LO_INT	BIT(0)
 #define CLK32KOUT2_EN	BIT(0)
+#define CLK32KOUT2_FUNC		(0 << 1)
+#define CLK32KOUT2_FUNC_MASK	BIT(1)
 
 #define TEMP105C			0x08
 #define TEMP115C			0x0c