i2c: mediatek: send i2c master code at 400k

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The speed of sending i2c master code in high-speed mode depends on
source clock, clock-div and TIMING register. The source clock and
clock-div of different SoC are not all the same. In order to send
i2c master code at 400k in high-speed mode, a appropriate value
should be set to TIMING register for a certain source clock and
clock-div.

Signed-off-by: Jun Gao <jun.gao@mediatek.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

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Jun Gao 2017-07-17 19:02:10 +08:00 • committed by Wolfram Sang

parent 16f73eb02d

commit f2326401b8

1 changed files with 46 additions and 19 deletions

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drivers/i2c/busses/i2c-mt65xx.c

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