The RK3399 has a total of 9 I2C controllers. To support these, the
enum in periph.h is extended and the mapping from the IRQ numbers to
the peripheral-ids is extended to ensure that pinctrl requests are
passed through to the function configuring the I2C pins.
For I2C8, the pinctrl is implemented and tested (on a RK3399-Q7) using
communication with the FAN53555 connected on I2C8.
Change-Id: I7ad9400f05d3ee89263ecd2bcc391483934b6c74
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Tested-by: Klaus Goger <klaus.goger@theobroma-systems.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
(cherry picked from commit 8c2bb589e29d5cb89e10c3ddd23b28d949fa9693)