i2c: designware: add i2c gpio recovery option

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This patch contains much input from Phil Reid and has been tested
on Intel/Altera Cyclone V SOC Hardware with Altera GPIO's for the
SCL and SDA GPIO's.

Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Tim Sander <tim@krieglstein.org>
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

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Tim Sander 2017-11-02 10:40:27 +08:00 • committed by Wolfram Sang

parent 0326f9f801

commit ca382f5b38

3 changed files with 63 additions and 1 deletions

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6

drivers/i2c/busses/i2c-designware-common.c

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1

drivers/i2c/busses/i2c-designware-core.h

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57

drivers/i2c/busses/i2c-designware-master.c

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