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* Drop three-wire serial (TWS) supportSimon Glass2017-05-221-94/+0
| | | | | | | | | | This subsystem has not been converted to driver model, there is only one driver and only one board that uses it. Drop it and its CONFIG option. Also drop the rtc4543 RTC driver since it uses TWS. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>
* Add GPL-2.0+ SPDX-License-Identifier to source filesWolfgang Denk2013-07-241-18/+1
| | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
* drivers/twserial: Add protocol driver for "three wire serial" interface.Detlev Zundel2009-03-301-0/+111
This pretty unintelligent interface is used on some RTC chips. Signed-off-by: Detlev Zundel <dzu@denx.de>