tty/serial: Add support for Altera serial port

Add support for Altera 8250/16550 compatible serial port.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/include/uapi/linux/serial_core.h b/include/uapi/linux/serial_core.h
index b6a23a483d74..74c2bf7211f8 100644
--- a/include/uapi/linux/serial_core.h
+++ b/include/uapi/linux/serial_core.h
@@ -51,7 +51,10 @@
 #define PORT_8250_CIR   23      /* CIR infrared port, has its own driver */
 #define PORT_XR17V35X   24      /* Exar XR17V35x UARTs */
 #define PORT_BRCM_TRUMANAGE     25
-#define PORT_MAX_8250   25      /* max port ID */
+#define PORT_ALTR_16550_F32 26  /* Altera 16550 UART with 32 FIFOs */
+#define PORT_ALTR_16550_F64 27  /* Altera 16550 UART with 64 FIFOs */
+#define PORT_ALTR_16550_F128 28 /* Altera 16550 UART with 128 FIFOs */
+#define PORT_MAX_8250   28      /* max port ID */
 
 /*
  * ARM specific type numbers.  These are not currently guaranteed