i2c: designware: evaluate i2c-sda-hold-time property
Newer designware i2c controllers allow setting the SDA hold time.
Evaluate the devicetree property "i2c-sda-hold-time" and set the
value accordingly.
The code is an adaption of the Linux v4.12 driver.

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 8968940 commit e5a7028daad923fccd2f0e978480358a5eac6e8a
@Steffen Trumtrar Steffen Trumtrar authored on 10 Jan 2018
Sascha Hauer committed on 11 Jan 2018
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drivers/i2c/busses/i2c-designware.c