serial: sh-sci: Add more Serial Port Register documentation
authorGeert Uytterhoeven <geert+renesas@glider.be>
Fri, 3 Jun 2016 10:00:06 +0000 (12:00 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 25 Jun 2016 16:07:51 +0000 (09:07 -0700)
commitef5e90e8ccb7b715c0a1509339f730b2bf9698a2
tree313a13c584951be317a1eeefa0cb842bbf99aeee
parentabbf121fb6dae6657388a32feac346e5e1debdbd
serial: sh-sci: Add more Serial Port Register documentation

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>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/sh-sci.h