serial: add support for the TI AR7 internal UART
This patch adds support for the TI AR7 internal UART.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index a0127e9..fb867a9 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -287,6 +287,13 @@
.fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
.flags = UART_CAP_FIFO,
},
+ [PORT_AR7] = {
+ .name = "AR7",
+ .fifo_size = 16,
+ .tx_loadsz = 16,
+ .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_00,
+ .flags = UART_CAP_FIFO | UART_CAP_AFE,
+ },
};
#if defined (CONFIG_SERIAL_8250_AU1X00)
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 57a97e5..48766ea 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -41,7 +41,8 @@
#define PORT_XSCALE 15
#define PORT_RM9000 16 /* PMC-Sierra RM9xxx internal UART */
#define PORT_OCTEON 17 /* Cavium OCTEON internal UART */
-#define PORT_MAX_8250 17 /* max port ID */
+#define PORT_AR7 18 /* Texas Instruments AR7 internal UART */
+#define PORT_MAX_8250 18 /* max port ID */
/*
* ARM specific type numbers. These are not currently guaranteed