Messages in this thread Patch in this message | | | From | Geert Uytterhoeven <> | Subject | [PATCH v2 06/11] serial: sh-sci: Add more Serial Port Register documentation | Date | Fri, 29 Apr 2016 14:58:29 +0200 |
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Improve documentation for the (H)SCIF Serial Port Register: - Make it clear the RTS and CTS lines are active-low, - Document the bits related to the serial port's clock pin.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> --- v2: - New. --- drivers/tty/serial/sh-sci.h | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/serial/sh-sci.h b/drivers/tty/serial/sh-sci.h index 7a4fa185b93ef307..85a2b81ba0a845e5 100644 --- a/drivers/tty/serial/sh-sci.h +++ b/drivers/tty/serial/sh-sci.h @@ -108,10 +108,12 @@ enum { #define SCLSR_ORER BIT(0) /* Overrun Error */ /* SCSPTR (Serial Port Register), optional */ -#define SCSPTR_RTSIO BIT(7) /* Serial Port RTS Pin Input/Output */ -#define SCSPTR_RTSDT BIT(6) /* Serial Port RTS Pin Data */ -#define SCSPTR_CTSIO BIT(5) /* Serial Port CTS Pin Input/Output */ -#define SCSPTR_CTSDT BIT(4) /* Serial Port CTS Pin Data */ +#define SCSPTR_RTSIO BIT(7) /* Serial Port RTS# Pin Input/Output */ +#define SCSPTR_RTSDT BIT(6) /* Serial Port RTS# Pin Data */ +#define SCSPTR_CTSIO BIT(5) /* Serial Port CTS# Pin Input/Output */ +#define SCSPTR_CTSDT BIT(4) /* Serial Port CTS# Pin Data */ +#define SCSPTR_SCKIO BIT(3) /* Serial Port Clock Pin Input/Output */ +#define SCSPTR_SCKDT BIT(2) /* Serial Port Clock Pin Data */ #define SCSPTR_SPB2IO BIT(1) /* Serial Port Break Input/Output */ #define SCSPTR_SPB2DT BIT(0) /* Serial Port Break Data */ -- 1.9.1
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