1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/i2c/busses/i2c-designware.c b/drivers/i2c/busses/i2c-designware.c
index 5fce1a07e6c1..0eea0dd35895 100644
--- a/drivers/i2c/busses/i2c-designware.c
+++ b/drivers/i2c/busses/i2c-designware.c
@@ -50,6 +50,8 @@
 #define DW_IC_INTR_STAT         0x2c
 #define DW_IC_INTR_MASK         0x30
 #define DW_IC_RAW_INTR_STAT     0x34
+#define DW_IC_RX_TL             0x38
+#define DW_IC_TX_TL             0x3c
 #define DW_IC_CLR_INTR          0x40
 #define DW_IC_CLR_RX_UNDER      0x44
 #define DW_IC_CLR_RX_OVER       0x48
@@ -295,6 +297,10 @@ static void i2c_dw_init(struct dw_i2c_dev *dev)
         writel(lcnt, dev->base + DW_IC_FS_SCL_LCNT);
         dev_dbg(dev->dev, "Fast-mode HCNT:LCNT = %d:%d\n", hcnt, lcnt);
 
+        /* Configure Tx/Rx FIFO threshold levels */
+        writel(dev->tx_fifo_depth - 1, dev->base + DW_IC_TX_TL);
+        writel(0, dev->base + DW_IC_RX_TL);
+
         /* configure the i2c master */
         ic_con = DW_IC_CON_MASTER | DW_IC_CON_SLAVE_DISABLE |
                 DW_IC_CON_RESTART_EN | DW_IC_CON_SPEED_FAST;