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dm: serial: Add setparity

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Implements serial setparity ops to allow uart parity change.
It allows to select ODD, EVEN or NONE parity.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
This commit is contained in:
Patrick Delaunay 2018-05-17 14:50:44 +02:00 committed by Tom Rini
parent be1a6f775e
commit eae4764f1a
1 changed files with 16 additions and 0 deletions
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16
include/serial.h
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@ -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);
};
/**