@ -73,6 +73,39 @@ enum serial_par {
SERIAL_PAR_EVEN
} ;
# define SERIAL_PAR_SHIFT 0
# define SERIAL_PAR_MASK (0x03 << SERIAL_PAR_SHIFT)
# define SERIAL_GET_PARITY(config) \
( ( config & SERIAL_PAR_MASK ) > > SERIAL_PAR_SHIFT )
enum serial_bits {
SERIAL_5_BITS ,
SERIAL_6_BITS ,
SERIAL_7_BITS ,
SERIAL_8_BITS
} ;
# define SERIAL_BITS_SHIFT 2
# define SERIAL_BITS_MASK (0x3 << SERIAL_BITS_SHIFT)
# define SERIAL_GET_BITS(config) \
( ( config & SERIAL_BITS_MASK ) > > SERIAL_BITS_SHIFT )
enum serial_stop {
SERIAL_HALF_STOP , /* 0.5 stop bit */
SERIAL_ONE_STOP , /* 1 stop bit */
SERIAL_ONE_HALF_STOP , /* 1.5 stop bit */
SERIAL_TWO_STOP /* 2 stop bit */
} ;
# define SERIAL_STOP_SHIFT 4
# define SERIAL_STOP_MASK (0x3 << SERIAL_STOP_SHIFT)
# define SERIAL_GET_STOP(config) \
( ( config & SERIAL_STOP_MASK ) > > SERIAL_STOP_SHIFT )
# define SERIAL_DEFAULT_CONFIG SERIAL_PAR_NONE << SERIAL_PAR_SHIFT | \
SERIAL_8_BITS < < SERIAL_BITS_SHIFT | \
SERIAL_ONE_STOP < < SERIAL_STOP_SHIFT
/**
* struct struct dm_serial_ops - Driver model serial operations
*
@ -159,6 +192,20 @@ struct dm_serial_ops {
* @ return 0 if OK , - ve on error
*/
int ( * setparity ) ( struct udevice * dev , enum serial_par parity ) ;
/**
* setconfig ( ) - Set up the uart configuration
* ( parity , 5 / 6 / 7 / 8 bits word length , stop bits )
*
* Set up a new config for this device .
*
* @ dev : Device pointer
* @ parity : parity to use
* @ bits : bits number to use
* @ stop : stop bits number to use
* @ return 0 if OK , - ve on error
*/
int ( * setconfig ) ( struct udevice * dev , uint serial_config ) ;
} ;
/**