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serial: sh-sci: Add SCIFA/B SCPCR register definitions

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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>
This commit is contained in:
Geert Uytterhoeven
2015-04-30 18:21:27 +02:00
committed by Greg Kroah-Hartman
parent 76735e9d55
commit c097abc33f
2 changed files with 32 additions and 0 deletions
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10
drivers/tty/serial/sh-sci.h
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@@ -24,6 +24,8 @@ enum {
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 @@ enum {
/* 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)