From eae4764f1ac2f3968a5c87a17b2e894a5fe05d0b Mon Sep 17 00:00:00 2001 From: Patrick Delaunay Date: Thu, 17 May 2018 14:50:44 +0200 Subject: [PATCH] dm: serial: Add setparity Implements serial setparity ops to allow uart parity change. It allows to select ODD, EVEN or NONE parity. Signed-off-by: Patrick Delaunay Signed-off-by: Patrice Chotard --- include/serial.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/include/serial.h b/include/serial.h index 384df94ed0..b9ef6d91c9 100644 --- a/include/serial.h +++ b/include/serial.h @@ -67,6 +67,12 @@ extern int usbtty_tstc(void); struct udevice; +enum serial_par { + SERIAL_PAR_NONE, + SERIAL_PAR_ODD, + SERIAL_PAR_EVEN +}; + /** * struct struct dm_serial_ops - Driver model serial operations * @@ -143,6 +149,16 @@ struct dm_serial_ops { */ int (*loop)(struct udevice *dev, int on); #endif + /** + * setparity() - Set up the parity + * + * Set up a new parity for this device. + * + * @dev: Device pointer + * @parity: parity to use + * @return 0 if OK, -ve on error + */ + int (*setparity)(struct udevice *dev, enum serial_par parity); }; /** -- 2.39.5