diff --git a/drivers/mfd/rk808.c b/drivers/mfd/rk808.c
index 4af37938f8bb..45ba40295c2b 100644
--- a/drivers/mfd/rk808.c
+++ b/drivers/mfd/rk808.c
@@ -258,7 +258,9 @@ static const struct mfd_cell rk818s[] = {
 
 static const struct rk808_reg_data rk805_pre_init_reg[] = {
 	{RK805_BUCK4_CONFIG_REG, BUCK_ILMIN_MASK, BUCK_ILMIN_400MA},
+	{RK805_GPIO_IO_POL_REG, SLP_SD_MSK, SLEEP_FUN},
 	{RK805_THERMAL_REG, TEMP_HOTDIE_MSK, TEMP115C},
+	{RK808_RTC_CTRL_REG, RTC_STOP, RTC_STOP},
 };
 
 static struct rk808_reg_data rk805_suspend_reg[] = {
@@ -276,6 +278,7 @@ static const struct rk808_reg_data rk808_pre_init_reg[] = {
 	{ RK808_BUCK1_CONFIG_REG, BUCK1_RATE_MASK,  BUCK_ILMIN_200MA },
 	{ RK808_BUCK2_CONFIG_REG, BUCK2_RATE_MASK,  BUCK_ILMIN_200MA },
 	{ RK808_DCDC_UV_ACT_REG,  BUCK_UV_ACT_MASK, BUCK_UV_ACT_DISABLE},
+	{ RK808_RTC_CTRL_REG, RTC_STOP, RTC_STOP},
 	{ RK808_VB_MON_REG,       MASK_ALL,         VB_LO_ACT |
 						    VB_LO_SEL_3500MV },
 };
@@ -329,8 +332,10 @@ static const struct rk808_reg_data rk818_pre_init_reg[] = {
 	{ RK818_H5V_EN_REG,	  BIT(1),	    RK818_REF_RDY_CTRL },
 	/* enable HDMI 5V */
 	{ RK818_H5V_EN_REG,	  BIT(0),	    RK818_H5V_EN },
+	{ 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 e8c4f3c76fb5..6222a360f8f1 100644
--- a/include/linux/mfd/rk808.h
+++ b/include/linux/mfd/rk808.h
@@ -786,6 +786,8 @@ 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