diff --git a/drivers/mfd/max14577.c b/drivers/mfd/max14577.c
index 3f5e30e8cf77..0cd444c4fdd0 100644
--- a/drivers/mfd/max14577.c
+++ b/drivers/mfd/max14577.c
@@ -115,7 +115,10 @@ static struct mfd_cell max14577_devs[] = {
 		.name = "max14577-regulator",
 		.of_compatible = "maxim,max14577-regulator",
 	},
-	{ .name = "max14577-charger", },
+	{
+		.name = "max14577-charger",
+		.of_compatible = "maxim,max14577-charger",
+	},
 };
 
 static struct mfd_cell max77836_devs[] = {
diff --git a/drivers/power/max14577_charger.c b/drivers/power/max14577_charger.c
index 405f4d736337..882331a96298 100644
--- a/drivers/power/max14577_charger.c
+++ b/drivers/power/max14577_charger.c
@@ -19,6 +19,7 @@
 #include <linux/platform_device.h>
 #include <linux/power_supply.h>
 #include <linux/mfd/max14577-private.h>
+#include <linux/mfd/max14577.h>
 
 struct max14577_charger {
 	struct device		*dev;
@@ -27,6 +28,8 @@ struct max14577_charger {
 
 	unsigned int		charging_state;
 	unsigned int		battery_state;
+
+	struct max14577_charger_platform_data	*pdata;
 };
 
 /*
@@ -180,15 +183,106 @@ static int max14577_get_present(struct max14577_charger *chg)
 	return 1;
 }
 
+static inline int max14577_init_constant_voltage(struct max14577_charger *chg,
+		unsigned int uvolt)
+{
+	u8 reg_data;
+
+	if (uvolt < MAXIM_CHARGER_CONSTANT_VOLTAGE_MIN ||
+			uvolt > MAXIM_CHARGER_CONSTANT_VOLTAGE_MAX)
+		return -EINVAL;
+
+	if (uvolt == 4200000)
+		reg_data = 0x0;
+	else if (uvolt == MAXIM_CHARGER_CONSTANT_VOLTAGE_MAX)
+		reg_data = 0x1f;
+	else if (uvolt <= 4280000) {
+		unsigned int val = uvolt;
+
+		val -= MAXIM_CHARGER_CONSTANT_VOLTAGE_MIN;
+		val /= MAXIM_CHARGER_CONSTANT_VOLTAGE_STEP;
+		if (uvolt <= 4180000)
+			reg_data = 0x1 + val;
+		else
+			reg_data = val; /* Fix for gap between 4.18V and 4.22V */
+	} else
+		return -EINVAL;
+
+	reg_data <<= MAXIM_CHGCTRL3_MBCCVWRC_SHIFT;
+
+	return max14577_write_reg(chg->maxim_core->regmap_muic,
+			MAXIM_CHG_REG_CHGCTRL3, reg_data);
+}
+
+static inline int max14577_init_eoc(struct max14577_charger *chg,
+		unsigned int uamp)
+{
+	unsigned int current_bits = 0xf;
+	u8 reg_data;
+
+	switch (chg->maxim_core->dev_type) {
+	case MAXIM_DEVICE_TYPE_MAX77836:
+		if (uamp < 5000)
+			return -EINVAL; /* Requested current is too low */
+
+		if (uamp == 7500)
+			current_bits = 0x0;
+		else if (uamp <= 50000) {
+			current_bits = uamp / 5000;
+		} else {
+			uamp = min(uamp, 100000U) - 50000U;
+			current_bits = 0xa + uamp / 10000;
+		}
+		break;
+
+	case MAXIM_DEVICE_TYPE_MAX14577:
+	default:
+		if (uamp < MAX14577_CHARGER_EOC_CURRENT_LIMIT_MIN)
+			return -EINVAL; /* Requested current is too low */
+
+		uamp = min(uamp, MAX14577_CHARGER_EOC_CURRENT_LIMIT_MAX);
+		uamp -= MAX14577_CHARGER_EOC_CURRENT_LIMIT_MIN;
+		current_bits = uamp / MAX14577_CHARGER_EOC_CURRENT_LIMIT_STEP;
+		break;
+	}
+
+	reg_data = current_bits << MAXIM_CHGCTRL5_EOCS_SHIFT;
+
+	return max14577_update_reg(chg->maxim_core->regmap_muic,
+			MAXIM_CHG_REG_CHGCTRL5, MAXIM_CHGCTRL5_EOCS_MASK,
+			reg_data);
+}
+
+static inline int max14577_init_fast_charge(struct max14577_charger *chg,
+		unsigned int uamp)
+{
+	u8 reg_data;
+	int ret;
+	const struct maxim_charger_current *limits =
+		&maxim_charger_currents[chg->maxim_core->dev_type];
+
+	ret = maxim_charger_calc_reg_current(limits, uamp, uamp, &reg_data);
+	if (ret) {
+		dev_err(chg->dev, "Wrong value for fast charge: %u\n", uamp);
+		return ret;
+	}
+
+	return max14577_update_reg(chg->maxim_core->regmap_muic,
+			MAXIM_CHG_REG_CHGCTRL4,
+			MAXIM_CHGCTRL4_MBCICHWRCL_MASK | MAXIM_CHGCTRL4_MBCICHWRCH_MASK,
+			reg_data);
+}
+
 /*
  * Sets charger registers to proper and safe default values.
  * Some of these values are equal to defaults in MAX14577E
  * data sheet but there are minor differences.
  */
-static void max14577_charger_reg_init(struct max14577_charger *chg)
+static int max14577_charger_reg_init(struct max14577_charger *chg)
 {
 	struct regmap *rmap = chg->maxim_core->regmap_muic;
 	u8 reg_data;
+	int ret;
 
 	/*
 	 * Charger-Type Manual Detection, default off (set CHGTYPMAN to 0)
@@ -198,12 +292,7 @@ static void max14577_charger_reg_init(struct max14577_charger *chg)
 	reg_data = 0x1 << MAXIM_CDETCTRL1_CHGDETEN_SHIFT;
 	max14577_update_reg(rmap, MAXIM_MUIC_REG_CDETCTRL1,
 			MAXIM_CDETCTRL1_CHGDETEN_MASK |
-				MAXIM_CDETCTRL1_CHGTYPMAN_MASK,
-			reg_data);
-
-	/* Battery Fast-Charge Timer, set to: 6hrs */
-	reg_data = 0x3 << MAXIM_CHGCTRL1_TCHW_SHIFT;
-	max14577_write_reg(rmap, MAXIM_CHG_REG_CHGCTRL1, reg_data);
+				MAXIM_CDETCTRL1_CHGTYPMAN_MASK, reg_data);
 
 	/*
 	 * Wall-Adapter Rapid Charge, default on
@@ -213,32 +302,57 @@ static void max14577_charger_reg_init(struct max14577_charger *chg)
 	reg_data |= 0x1 << MAXIM_CHGCTRL2_MBCHOSTEN_SHIFT;
 	max14577_write_reg(rmap, MAXIM_CHG_REG_CHGCTRL2, reg_data);
 
-	/* Battery-Charger Constant Voltage (CV) Mode, set to: 4.35V */
-	reg_data = 0xf << MAXIM_CHGCTRL3_MBCCVWRC_SHIFT;
-	max14577_write_reg(rmap, MAXIM_CHG_REG_CHGCTRL3, reg_data);
-
-	/*
-	 * Fast Battery-Charge Current Low,
-	 * default 200-950mA (max14577) / 100-475mA (max77836)
-	 *
-	 * Fast Battery-Charge Current High,
-	 * set to 450mA (max14577) / 225mA (max77836)
-	 */
-	reg_data = 0x1 << MAXIM_CHGCTRL4_MBCICHWRCL_SHIFT;
-	reg_data |= 0x5 << MAXIM_CHGCTRL4_MBCICHWRCH_SHIFT;
-	max14577_write_reg(rmap, MAXIM_CHG_REG_CHGCTRL4, reg_data);
-
-	/* End-of-Charge Current, set to 50mA (max14577) / 7.5mA (max77836) */
-	reg_data = 0x0 << MAXIM_CHGCTRL5_EOCS_SHIFT;
-	max14577_write_reg(rmap, MAXIM_CHG_REG_CHGCTRL5, reg_data);
-
 	/* Auto Charging Stop, default off */
 	reg_data = 0x0 << MAXIM_CHGCTRL6_AUTOSTOP_SHIFT;
 	max14577_write_reg(rmap, MAXIM_CHG_REG_CHGCTRL6, reg_data);
 
-	/* Overvoltage-Protection Threshold, set to 6.5V */
-	reg_data = 0x2 << MAXIM_CHGCTRL7_OTPCGHCVS_SHIFT;
+	ret = max14577_init_constant_voltage(chg, chg->pdata->constant_uvolt);
+	if (ret)
+		return ret;
+
+	ret = max14577_init_eoc(chg, chg->pdata->eoc_uamp);
+	if (ret)
+		return ret;
+
+	ret = max14577_init_fast_charge(chg, chg->pdata->fast_charge_uamp);
+	if (ret)
+		return ret;
+
+	/* Initialize Battery Fast-Charge Timer */
+	switch (chg->pdata->fast_charge_timer) {
+	case 5 ... 7:
+		reg_data = chg->pdata->fast_charge_timer - 3;
+		break;
+	case 0:
+		/* Disable */
+		reg_data = 0x7;
+	default:
+		dev_err(chg->dev, "Wrong value for Fast-Charge Timer: %u\n",
+				chg->pdata->fast_charge_timer);
+		return -EINVAL;
+	}
+	reg_data <<= MAXIM_CHGCTRL1_TCHW_SHIFT;
+	max14577_write_reg(rmap, MAXIM_CHG_REG_CHGCTRL1, reg_data);
+
+	/* Initialize Overvoltage-Protection Threshold */
+	switch (chg->pdata->ovp_uvolt) {
+	case 7500000:
+		reg_data = 0x0;
+		break;
+	case 6000000:
+	case 6500000:
+	case 7000000:
+		reg_data = 0x1 + (chg->pdata->ovp_uvolt - 6000000) / 500000;
+		break;
+	default:
+		dev_err(chg->dev, "Wrong value for OVP: %u\n",
+				chg->pdata->ovp_uvolt);
+		return -EINVAL;
+	}
+	reg_data <<= MAXIM_CHGCTRL7_OTPCGHCVS_SHIFT;
 	max14577_write_reg(rmap, MAXIM_CHG_REG_CHGCTRL7, reg_data);
+
+	return 0;
 }
 
 /* Support property from charger */
@@ -298,6 +412,58 @@ static int max14577_charger_get_property(struct power_supply *psy,
 	return ret;
 }
 
+#ifdef CONFIG_OF
+static struct max14577_charger_platform_data *max14577_charger_dt_init(
+		struct platform_device *pdev)
+{
+	struct max14577_charger_platform_data *pdata;
+	struct device_node *np = pdev->dev.of_node;
+	int ret;
+
+	if (!np) {
+		dev_err(&pdev->dev, "No charger OF node\n");
+		return ERR_PTR(-EINVAL);
+	}
+
+	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+	if (!pdata) {
+		dev_err(&pdev->dev, "Memory alloc for charger pdata failed\n");
+		return ERR_PTR(-ENOMEM);
+	}
+
+	ret = of_property_read_u32(np, "maxim,fast-charge-timer",
+			&pdata->fast_charge_timer);
+	if (ret)
+		return ERR_PTR(ret);
+
+	ret = of_property_read_u32(np, "maxim,constant-uvolt",
+			&pdata->constant_uvolt);
+	if (ret)
+		return ERR_PTR(ret);
+
+	ret = of_property_read_u32(np, "maxim,fast-charge-uamp",
+			&pdata->fast_charge_uamp);
+	if (ret)
+		return ERR_PTR(ret);
+
+	ret = of_property_read_u32(np, "maxim,eoc-uamp", &pdata->eoc_uamp);
+	if (ret)
+		return ERR_PTR(ret);
+
+	ret = of_property_read_u32(np, "maxim,ovp-uvolt", &pdata->ovp_uvolt);
+	if (ret)
+		return ERR_PTR(ret);
+
+	return pdata;
+}
+#else /* CONFIG_OF */
+static struct max14577_charger_platform_data *max14577_charger_dt_init(
+		struct platform_device *pdev)
+{
+	return NULL;
+}
+#endif /* CONFIG_OF */
+
 static int max14577_charger_probe(struct platform_device *pdev)
 {
 	struct max14577_charger *chg;
@@ -312,7 +478,13 @@ static int max14577_charger_probe(struct platform_device *pdev)
 	chg->dev = &pdev->dev;
 	chg->maxim_core = maxim_core;
 
-	max14577_charger_reg_init(chg);
+	chg->pdata = max14577_charger_dt_init(pdev);
+	if (IS_ERR_OR_NULL(chg->pdata))
+		return PTR_ERR(chg->pdata);
+
+	ret = max14577_charger_reg_init(chg);
+	if (ret)
+		return ret;
 
 	chg->charger.name = "max14577-charger",
 	chg->charger.type = POWER_SUPPLY_TYPE_BATTERY,
@@ -326,6 +498,10 @@ static int max14577_charger_probe(struct platform_device *pdev)
 		return ret;
 	}
 
+	/* Check for valid values for charger */
+	BUILD_BUG_ON(MAX14577_CHARGER_EOC_CURRENT_LIMIT_MIN +
+			MAX14577_CHARGER_EOC_CURRENT_LIMIT_STEP * 0xf !=
+			MAX14577_CHARGER_EOC_CURRENT_LIMIT_MAX);
 	return 0;
 }
 
diff --git a/include/linux/mfd/max14577-private.h b/include/linux/mfd/max14577-private.h
index a8cd7de3526a..50cf70bec4d4 100644
--- a/include/linux/mfd/max14577-private.h
+++ b/include/linux/mfd/max14577-private.h
@@ -269,6 +269,16 @@ enum maxim_muic_charger_type {
 #define MAX77836_CHARGER_CURRENT_LIMIT_HIGH_STEP	 25000U
 #define MAX77836_CHARGER_CURRENT_LIMIT_MAX		475000U
 
+/* MAX14577 charger End-Of-Charge current limits (as in MAXIM_CHGCTRL5 register), uA */
+#define MAX14577_CHARGER_EOC_CURRENT_LIMIT_MIN		50000U
+#define MAX14577_CHARGER_EOC_CURRENT_LIMIT_STEP		10000U
+#define MAX14577_CHARGER_EOC_CURRENT_LIMIT_MAX		200000U
+
+/* MAX14577/MAX77836 Battery Constant Voltage (as in MAXIM_CHGCTRL3 register), uV */
+#define MAXIM_CHARGER_CONSTANT_VOLTAGE_MIN		4000000U
+#define MAXIM_CHARGER_CONSTANT_VOLTAGE_STEP		20000U
+#define MAXIM_CHARGER_CONSTANT_VOLTAGE_MAX		4350000U
+
 /* MAX14577 regulator SFOUT LDO voltage, fixed, uV */
 #define MAX14577_REGULATOR_SAFEOUT_VOLTAGE		4900000
 
diff --git a/include/linux/mfd/max14577.h b/include/linux/mfd/max14577.h
index 0df2fe329b83..b60febd6c53f 100644
--- a/include/linux/mfd/max14577.h
+++ b/include/linux/mfd/max14577.h
@@ -54,6 +54,14 @@ struct max14577_regulator_platform_data {
 	struct device_node *of_node;
 };
 
+struct max14577_charger_platform_data {
+	unsigned int fast_charge_timer;
+	unsigned int constant_uvolt;
+	unsigned int fast_charge_uamp;
+	unsigned int eoc_uamp;
+	unsigned int ovp_uvolt;
+};
+
 /*
  * MAX14577 MFD platform data
  */
