diff --git a/drivers/power/bq2589x_chg_mmi/bq2589x_charger.c b/drivers/power/bq2589x_chg_mmi/bq2589x_charger.c
index cfce8a7101ee..9d9c8cc0cb38 100644
--- a/drivers/power/bq2589x_chg_mmi/bq2589x_charger.c
+++ b/drivers/power/bq2589x_chg_mmi/bq2589x_charger.c
@@ -287,22 +287,44 @@ static int bq2589x_set_otg_current(struct bq2589x *bq, int curr)
 {
 	u8 temp;
 
-	if (curr >= 2400)
-		temp = BQ2589X_BOOST_LIM_2400MA;
-	else if (curr >= 2100)
-		temp = BQ2589X_BOOST_LIM_2100MA;
-	else if (curr >= 1800)
-		temp = BQ2589X_BOOST_LIM_1800MA;
-	else if (curr >= 1600)
-		temp = BQ2589X_BOOST_LIM_1600MA;
-	else if (curr >= 1300)
-		temp = BQ2589X_BOOST_LIM_1300MA;
-	else if (curr >= 1100)
-		temp = BQ2589X_BOOST_LIM_1100MA;
-	else if (curr >= 700)
-		temp = BQ2589X_BOOST_LIM_700MA;
-	else
-		temp = BQ2589X_BOOST_LIM_500MA;
+	if (bq->part_no == SC89890H) {
+		if (curr < 600)
+			temp = SC89890H_BOOST_LIM_500MA;
+		else if (curr < 900)
+			temp = SC89890H_BOOST_LIM_750MA;
+		else if (curr < 1300)
+			temp = SC89890H_BOOST_LIM_1200MA;
+		else if (curr < 1500)
+			temp = SC89890H_BOOST_LIM_1400MA;
+		else if (curr < 1700)
+			temp = SC89890H_BOOST_LIM_1650MA;
+		else if (curr < 1900)
+			temp = SC89890H_BOOST_LIM_1875MA;
+		else if (curr < 2200)
+			temp = SC89890H_BOOST_LIM_2150MA;
+		else if (curr < 2500)
+			temp = SC89890H_BOOST_LIM_2450MA;
+		else
+			temp = SC89890H_BOOST_LIM_1400MA;
+    } else {
+		if (curr >= 2400)
+			temp = BQ2589X_BOOST_LIM_2400MA;
+		else if (curr >= 2100)
+			temp = BQ2589X_BOOST_LIM_2100MA;
+		else if (curr >= 1800)
+			temp = BQ2589X_BOOST_LIM_1800MA;
+		else if (curr >= 1600)
+			temp = BQ2589X_BOOST_LIM_1600MA;
+		else if (curr >= 1300)
+			temp = BQ2589X_BOOST_LIM_1300MA;
+		else if (curr >= 1100)
+			temp = BQ2589X_BOOST_LIM_1100MA;
+		else if (curr >= 700)
+			temp = BQ2589X_BOOST_LIM_700MA;
+		else
+			temp = BQ2589X_BOOST_LIM_500MA;
+	}
+
 
 	return bq2589x_update_bits(bq, BQ2589X_REG_0A, BQ2589X_BOOST_LIM_MASK, temp << BQ2589X_BOOST_LIM_SHIFT);
 }
@@ -995,6 +1017,11 @@ static int bq2589x_init_device(struct bq2589x *bq)
 	int ret;
 
 	/*common initialization*/
+        if (bq->part_no == SC89890H) {
+                bq2589x_update_bits(bq, BQ2589X_REG_00, BQ2589X_ENILIM_MASK,
+                        BQ2589X_ENILIM_DISABLE << BQ2589X_ENILIM_SHIFT);
+        }
+
 	bq2589x_disable_watchdog_timer(bq);
 
 	/*disable maxcharge en to allow qc2.0 detection*/
@@ -2486,12 +2513,20 @@ static int bq2589x_set_otg_enable(struct charger_device *chg_dev, bool enable)
 {
 	struct bq2589x *bq = dev_get_drvdata(&chg_dev->dev);
 	u8 val;
+	int ret = 0;
 
-	if (enable)
+	if (enable) {
+	        if (bq->part_no == SC89890H) {
+                        ret = bq2589x_disable_charger(bq);
+                }
 		val = BQ2589X_OTG_ENABLE << BQ2589X_OTG_CONFIG_SHIFT;
-	else
+	}
+	else {
 		val = BQ2589X_OTG_DISABLE << BQ2589X_OTG_CONFIG_SHIFT;
-
+		if (bq->part_no == SC89890H) {
+                        ret = bq2589x_enable_charger(bq);
+                }
+	}
 	dev_info(bq->dev, "%s: %s otg\n", __func__, enable ? "enable" : "disable");
 
 	return bq2589x_update_bits(bq, BQ2589X_REG_03, BQ2589X_OTG_CONFIG_MASK, val);
diff --git a/drivers/power/bq2589x_chg_mmi/bq2589x_reg.h b/drivers/power/bq2589x_chg_mmi/bq2589x_reg.h
index 54a9387db8f0..961fe1529162 100644
--- a/drivers/power/bq2589x_chg_mmi/bq2589x_reg.h
+++ b/drivers/power/bq2589x_chg_mmi/bq2589x_reg.h
@@ -224,6 +224,8 @@
 #define BQ2589X_BOOSTV_SHIFT        4
 #define BQ2589X_BOOSTV_BASE         4550
 #define BQ2589X_BOOSTV_LSB          64
+#define SC89890H_BOOSTV_BASE        3900
+#define SC89890H_BOOSTV_LSB         100
 
 
 #define BQ2589X_BOOST_LIM_MASK      0x07
@@ -236,6 +238,14 @@
 #define BQ2589X_BOOST_LIM_1800MA    0x05
 #define BQ2589X_BOOST_LIM_2100MA    0x06
 #define BQ2589X_BOOST_LIM_2400MA    0x07
+#define SC89890H_BOOST_LIM_500MA     0x00
+#define SC89890H_BOOST_LIM_750MA     0x01
+#define SC89890H_BOOST_LIM_1200MA    0x02
+#define SC89890H_BOOST_LIM_1400MA    0x03
+#define SC89890H_BOOST_LIM_1650MA    0x04
+#define SC89890H_BOOST_LIM_1875MA    0x05
+#define SC89890H_BOOST_LIM_2150MA    0x06
+#define SC89890H_BOOST_LIM_2450MA    0x07
 
 
 /* Register 0x0B*/
@@ -295,6 +305,10 @@
 #define BQ2589X_VINDPM_BASE         2600
 #define BQ2589X_VINDPM_LSB          100
 
+#define SC89890H_VINDPMOS_MASK      0x03
+#define SC89890H_VINDPMOS_SHIFT     0
+#define SC89890H_VINDPMOS_400MV     0
+#define SC89890H_VINDPMOS_600MV     1
 
 /* Register 0x0E*/
 #define BQ2589X_REG_0E              0x0E