On Mon, Nov 07, 2016 at 09:30:05AM +0100, Mirza Krak wrote:

From: Mirza Krak <redacted>

The Generic Memory Interface bus can be used to connect high-speed
devices such as NOR flash, FPGAs, DSPs...

Signed-off-by: Mirza Krak <redacted>
Tested-by: Marcel Ziswiler <redacted>
Tested-on: Colibri T20/T30 on EvalBoard V3.x and GMI-Memory Board
---

Changes in v2:
 - Fixed some checkpatch errors
 - Re-ordered probe to get rid of local variables
 - Moved of_platform_default_populate call to the end of probe
 - Use the timing and configuration properties from the child device
 - Added warning if more then 1 child device exist

Changes in v3:
 - added helper function to disable the controller which is used in remove and
 on error.
 - Added logic to parse CS# from "ranges" property with fallback to "reg"
 property

Changes in v4:
- added sanity check of chip-select property (fail if invalid)
- adjusted for device tree binding property name changes
- fail probe if there are no child nodes
- removed superfluous error message
- removed superfluous newline in Kconfig

 drivers/bus/Kconfig     |   7 ++
 drivers/bus/Makefile    |   1 +
 drivers/bus/tegra-gmi.c | 275 ++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 283 insertions(+)
 create mode 100644 drivers/bus/tegra-gmi.c

Applied with a bit of code reshuffling to make things more symmetric as
well as a couple of pedantic cleanups because I couldn't resist.

Thanks,
Thierry