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>

1 files changed, 14 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 */