serial: sh-sci: Add SCIFA/B SCPCR register definitions
Add the register definitions for the Serial Port Control and Data
Registers on SCIFA/SCIFB, which are needed for RTS/CTS pin control.
Extracted from patches by Magnus Damm <damm+renesas@opensource.se>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/serial/sh-sci.h b/drivers/tty/serial/sh-sci.h
index 8b4447e..2bae842 100644
--- a/drivers/tty/serial/sh-sci.h
+++ b/drivers/tty/serial/sh-sci.h
@@ -24,6 +24,8 @@
SCRFDR, /* Receive FIFO Data Count Register */
SCSPTR, /* Serial Port Register */
HSSRR, /* Sampling Rate Register */
+ SCPCR, /* Serial Port Control Register */
+ SCPDR, /* Serial Port Data Register */
SCIx_NR_REGS,
};
@@ -79,6 +81,14 @@
/* HSSRR HSCIF */
#define HSCIF_SRE 0x8000 /* Sampling Rate Register Enable */
+/* SCPCR (Serial Port Control Register), SCIFA/SCIFB only */
+#define SCPCR_RTSC (1 << 4) /* Serial Port RTS Pin / Output Pin */
+#define SCPCR_CTSC (1 << 3) /* Serial Port CTS Pin / Input Pin */
+
+/* SCPDR (Serial Port Data Register), SCIFA/SCIFB only */
+#define SCPDR_RTSD (1 << 4) /* Serial Port RTS Output Pin Data */
+#define SCPDR_CTSD (1 << 3) /* Serial Port CTS Input Pin Data */
+
#define SCxSR_TEND(port) (((port)->type == PORT_SCI) ? SCI_TEND : SCIF_TEND)
#define SCxSR_RDxF(port) (((port)->type == PORT_SCI) ? SCI_RDRF : SCIF_RDF)