diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c
index 300802e75d2e..d6423cfac588 100644
--- a/drivers/i2c/busses/i2c-designware-pcidrv.c
+++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
@@ -141,6 +141,7 @@ static struct dw_pci_controller dw_pci_controllers[] = {
 		.bus_cfg   = INTEL_MID_STD_CFG | DW_IC_CON_SPEED_FAST,
 		.tx_fifo_depth = 32,
 		.rx_fifo_depth = 32,
+		.functionality = I2C_FUNC_10BIT_ADDR,
 		.clk_khz      = 25000,
 		.setup = mfld_setup,
 	},
@@ -149,6 +150,7 @@ static struct dw_pci_controller dw_pci_controllers[] = {
 		.bus_cfg = INTEL_MID_STD_CFG | DW_IC_CON_SPEED_FAST,
 		.tx_fifo_depth = 64,
 		.rx_fifo_depth = 64,
+		.functionality = I2C_FUNC_10BIT_ADDR,
 		.scl_sda_cfg = &mrfld_config,
 		.setup = mrfld_setup,
 	},