RZ/G3E RSCI tx/rx supports both FIFO and non-FIFO mode. It has 32-stage
FIFO. Add RSCI_PORT_SCI port ID for non-FIFO mode and RSCI_PORT_SCIF port
ID for FIFO mode. Update the rx_trigger for both these modes.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
---
 drivers/tty/serial/sh-sci-common.h | 2 ++
 drivers/tty/serial/sh-sci.c        | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/drivers/tty/serial/sh-sci-common.h b/drivers/tty/serial/sh-sci-common.h
index bcdb41ddc15d..ef1d94ae8b5c 100644
--- a/drivers/tty/serial/sh-sci-common.h
+++ b/drivers/tty/serial/sh-sci-common.h
@@ -8,6 +8,8 @@
 /* Private port IDs */
 enum SCI_PORT_TYPE {
 	SCI_PORT_RSCI = BIT(7) | 0,
+	RSCI_PORT_SCI = BIT(7) | 1,
+	RSCI_PORT_SCIF = BIT(7) | 2,
 };
 
 enum SCI_CLKS {
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 4bcd886de75d..77ccf5677561 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -3153,6 +3153,9 @@ static int sci_init_single(struct platform_device *dev,
 	case SCI_PORT_RSCI:
 		sci_port->rx_trigger = 15;
 		break;
+	case RSCI_PORT_SCIF:
+		sci_port->rx_trigger = 32;
+		break;
 	default:
 		sci_port->rx_trigger = 1;
 		break;
-- 
2.43.0