On Wed, Jul 08, 2015 at 04:35:27PM +0200, Jan Luebbe wrote: > At least on the AM335x, enabling OMAP_I2C_SYSTEST_ST_EN is not enough to > allow direct access to the SCL and SDA pins. In addition to ST_EN, we > need to set the TMODE to 0b11 (Loop back & SDA/SCL IO mode select). > Also, as the reset values of SCL_O and SDA_O are 0 (which means "drive > low level"), we need to set them to 1 (which means "high-impedance") to > avoid unwanted changes on the pins. > > As a precaution, reset all these bits to their default values after > recovery is complete. > > Signed-off-by: Jan Luebbe <jlu@xxxxxxxxxxxxxx> Applied to for-current, thanks!
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