i2c: designware: add reset interface

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Some platforms like hi3660 need do reset first to allow accessing registers

Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Ramiro Oliveira <ramiro.oliveira@synopsys.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

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Zhangfei Gao 2016-12-27 22:22:40 +08:00 • committed by Wolfram Sang

parent 3b0277f198

commit ab809fd81f

2 changed files with 25 additions and 4 deletions

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1

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

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28

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

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