i2c: mediatek: Use scl_int_delay_ns to compensate clock-stretching
The parameters of tSU,STA/tHD,STA/tSU,STOP maybe out of spec due to device clock-stretch or circuit loss, we could get a suitable scl_int_delay_ns from i2c_timings to compensate these parameters to meet the spec via EXT_CONF register. Signed-off-by:Qii Wang <qii.wang@mediatek.com> Signed-off-by:
Wolfram Sang <wsa@kernel.org>
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