diff --git a/drivers/mfd/rk630-i2c.c b/drivers/mfd/rk630-i2c.c
index 9636458e137a..a6b0522bdd43 100644
--- a/drivers/mfd/rk630-i2c.c
+++ b/drivers/mfd/rk630-i2c.c
@@ -56,6 +56,13 @@ rk630_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id)
 		return ret;
 	}
 
+	rk630->efuse = devm_regmap_init_i2c(client, &rk630_efuse_regmap_config);
+	if (IS_ERR(rk630->efuse)) {
+		ret = PTR_ERR(rk630->efuse);
+		dev_err(dev, "failed to allocate efuse register map: %d\n", ret);
+		return ret;
+	}
+
 	rk630->irq = client->irq;
 
 	return rk630_core_probe(rk630);
diff --git a/drivers/mfd/rk630-spi.c b/drivers/mfd/rk630-spi.c
index b12843c583de..aae0f12fa0aa 100644
--- a/drivers/mfd/rk630-spi.c
+++ b/drivers/mfd/rk630-spi.c
@@ -221,6 +221,16 @@ rk630_spi_probe(struct spi_device *spi)
 			ret);
 		return ret;
 	}
+
+	rk630->efuse = devm_regmap_init(&spi->dev, &rk630_regmap,
+					&spi->dev, &rk630_efuse_regmap_config);
+	if (IS_ERR(rk630->efuse)) {
+		ret = PTR_ERR(rk630->efuse);
+		dev_err(rk630->dev, "Failed to initialize efuse regmap: %d\n",
+			ret);
+		return ret;
+	}
+
 	rk630->irq = spi->irq;
 
 	ret = rk630_core_probe(rk630);
diff --git a/drivers/mfd/rk630.c b/drivers/mfd/rk630.c
index 788c09ef3923..220b6f0d8dd9 100644
--- a/drivers/mfd/rk630.c
+++ b/drivers/mfd/rk630.c
@@ -123,6 +123,10 @@ static const struct regmap_irq_chip rk630_irq_chip = {
 };
 
 static const struct mfd_cell rk630_devs[] = {
+	{
+		.name = "rk630-efuse",
+		.of_compatible = "rockchip,rk630-efuse",
+	},
 	{
 		.name = "rk630-tve",
 		.of_compatible = "rockchip,rk630-tve",