On 02/02/2014 11:45 PM, Valentin Longchamp wrote: > From: Rainer Boschung <rainer.bosch...@keymile.com> > > This patch adds support for using some GPIOs that are connected to the > I2C bus to force the bus lines state and perform some bus deblocking > sequences. > > The KM common deblocking algorithm from board/keymile/common/common.c is > used. The GPIO lines used for deblocking the I2C bus are some external > GPIOs provided by the QRIO CPLD: > - SCL = GPIOA_20 > - SDA = GPIOA_21 > > The QRIO GPIOs act in an open-drain-like manner, for 0 the line is > driven low and for 1 the GPIO is set as input and the line gets > pulled-up. > > Signed-off-by: Rainer Boschung <rainer.bosch...@keymile.com> > Signed-off-by: Valentin Longchamp <valentin.longch...@keymile.com> > > --- > > Changes in v4: > - fix usage of the #define names that got wrong in the merge process > > Changes in v3: > - rewrite the commit message and and the comments for more clarity > - fix the GPIO numbers that where not correct > > Changes in v2: None >
Applied to u-boot-mpc85xx master branch. York _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
