diff --git a/drivers/i2c/busses/i2c-mlxcpld.c b/drivers/i2c/busses/i2c-mlxcpld.c
index 9e45214d1eb6ac..4e0b7c2882cede 100644
--- a/drivers/i2c/busses/i2c-mlxcpld.c
+++ b/drivers/i2c/busses/i2c-mlxcpld.c
@@ -11,7 +11,9 @@
 #include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/platform_data/mlxreg.h>
 #include <linux/platform_device.h>
+#include <linux/regmap.h>
 
 /* General defines */
 #define MLXPLAT_CPLD_LPC_I2C_BASE_ADDR	0x2000
@@ -46,6 +48,16 @@
 #define MLXCPLD_LPCI2C_ACK_IND		1
 #define MLXCPLD_LPCI2C_NACK_IND		2
 
+#define MLXCPLD_I2C_FREQ_1000KHZ_SET	0x04
+#define MLXCPLD_I2C_FREQ_400KHZ_SET	0x0f
+#define MLXCPLD_I2C_FREQ_100KHZ_SET	0x42
+
+enum mlxcpld_i2c_frequency {
+	MLXCPLD_I2C_FREQ_1000KHZ = 1,
+	MLXCPLD_I2C_FREQ_400KHZ = 2,
+	MLXCPLD_I2C_FREQ_100KHZ = 3,
+};
+
 struct  mlxcpld_i2c_curr_xfer {
 	u8 cmd;
 	u8 addr_width;
@@ -463,8 +475,45 @@ static struct i2c_adapter mlxcpld_i2c_adapter = {
 	.nr		= MLXCPLD_I2C_BUS_NUM,
 };
 
+static int
+mlxcpld_i2c_set_frequency(struct mlxcpld_i2c_priv *priv,
+			  struct mlxreg_core_hotplug_platform_data *pdata)
+{
+	struct mlxreg_core_item *item = pdata->items;
+	struct mlxreg_core_data *data;
+	u32 regval;
+	u8 freq;
+	int err;
+
+	if (!item)
+		return 0;
+
+	/* Read frequency setting. */
+	data = item->data;
+	err = regmap_read(pdata->regmap, data->reg, &regval);
+	if (err)
+		return err;
+
+	/* Set frequency only if it is not 100KHz, which is default. */
+	switch ((data->reg & data->mask) >> data->bit) {
+	case MLXCPLD_I2C_FREQ_1000KHZ:
+		freq = MLXCPLD_I2C_FREQ_1000KHZ_SET;
+		break;
+	case MLXCPLD_I2C_FREQ_400KHZ:
+		freq = MLXCPLD_I2C_FREQ_400KHZ_SET;
+		break;
+	default:
+		return 0;
+	}
+
+	mlxcpld_i2c_write_comm(priv, MLXCPLD_LPCI2C_HALF_CYC_REG, &freq, 1);
+
+	return 0;
+}
+
 static int mlxcpld_i2c_probe(struct platform_device *pdev)
 {
+	struct mlxreg_core_hotplug_platform_data *pdata;
 	struct mlxcpld_i2c_priv *priv;
 	int err;
 	u8 val;
@@ -479,6 +528,14 @@ static int mlxcpld_i2c_probe(struct platform_device *pdev)
 	priv->dev = &pdev->dev;
 	priv->base_addr = MLXPLAT_CPLD_LPC_I2C_BASE_ADDR;
 
+	/* Set I2C bus frequency if platform data provides this info. */
+	pdata = dev_get_platdata(&pdev->dev);
+	if (pdata) {
+		err = mlxcpld_i2c_set_frequency(priv, pdata);
+		if (err)
+			goto mlxcpld_i2_probe_failed;
+	}
+
 	/* Register with i2c layer */
 	mlxcpld_i2c_adapter.timeout = usecs_to_jiffies(MLXCPLD_I2C_XFER_TO);
 	/* Read capability register */
@@ -497,8 +554,12 @@ static int mlxcpld_i2c_probe(struct platform_device *pdev)
 
 	err = i2c_add_numbered_adapter(&priv->adap);
 	if (err)
-		mutex_destroy(&priv->lock);
+		goto mlxcpld_i2_probe_failed;
 
+	return 0;
+
+mlxcpld_i2_probe_failed:
+	mutex_destroy(&priv->lock);
 	return err;
 }