serial: Add driver for the Altera UART

Add an UART driver for the UART component available as a SOPC (System on
Programmable Chip) component for Altera FPGAs.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 15 insertions, 0 deletions

diff --git a/include/linux/altera_uart.h b/include/linux/altera_uart.h
new file mode 100644
index 000000000000..8d441064a30d
--- /dev/null
+++ b/include/linux/altera_uart.h
@@ -0,0 +1,14 @@
+/*
+ * altera_uart.h -- Altera UART driver defines.
+ */
+
+#ifndef __ALTUART_H
+#define __ALTUART_H
+
+struct altera_uart_platform_uart {
+        unsigned long mapbase;  /* Physical address base */
+        unsigned int irq;       /* Interrupt vector */
+        unsigned int uartclk;   /* UART clock rate */
+};
+
+#endif /* __ALTUART_H */
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index ade1536e1a48..09d0d2d5a08b 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -184,6 +184,7 @@
 
 /* Altera UARTs */
 #define PORT_ALTERA_JTAGUART    91
+#define PORT_ALTERA_UART        92
 
 #ifdef __KERNEL__