diff --git a/drivers/i2c/fsl_i2c.c b/drivers/i2c/fsl_i2c.c
index b8cc647..407c4a7 100644
--- a/drivers/i2c/fsl_i2c.c
+++ b/drivers/i2c/fsl_i2c.c
@@ -583,12 +583,11 @@ static int fsl_i2c_set_bus_speed(struct udevice *bus, unsigned int speed)
 static int fsl_i2c_ofdata_to_platdata(struct udevice *bus)
 {
 	struct fsl_i2c_dev *dev = dev_get_priv(bus);
-	u64 reg;
-	u32 addr, size;
+	fdt_addr_t addr;
+	fdt_size_t size;
 
-	reg = fdtdec_get_addr(gd->fdt_blob, bus->of_offset, "reg");
-	addr = reg >> 32;
-	size = reg & 0xFFFFFFFF;
+	addr = fdtdec_get_addr_size_auto_noparent(gd->fdt_blob, bus->of_offset,
+						  "reg", 0, &size);
 
 	dev->base = map_sysmem(CONFIG_SYS_IMMR + addr, size);