On Fri, Aug 11, 2017 at 05:56:10PM +0800, Yong Wu wrote:

This patch adds decriptions for mt2712 IOMMU and SMI.

In order to balance the bandwidth, mt2712 has two M4Us, two
smi-commons, 8 smi-larbs. and mt2712 is also MTK IOMMU gen2 which
use Short-Descriptor translation table format.

s/use/uses/

The mt2712 M4U-SMI HW diagram is as below:

                            EMI
                             |
              -------------------------------
              |                             |
             M4U0                          M4U1
              |                             |
         smi-common0                   smi-common1
              |                             |
  -------------------------       --------------------
  |     |     |     |     |       |         |        |
  |     |     |     |     |       |         |        |
larb0 larb1 larb2 larb3 larb6    larb4    larb5     larb7
disp0 vdec  cam   venc   jpg  mdp1/disp1 mdp2/disp2  mdp3->larb names

All the connections are HW fixed, SW can NOT adjust it.

Signed-off-by: Yong Wu <yong.wu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
---
 .../devicetree/bindings/iommu/mediatek,iommu.txt   |  6 +-
 .../memory-controllers/mediatek,smi-common.txt     |  6 +-
 .../memory-controllers/mediatek,smi-larb.txt       |  5 +-
 include/dt-bindings/memory/mt2712-larb-port.h      | 91 ++++++++++++++++++++++
 4 files changed, 102 insertions(+), 6 deletions(-)
 create mode 100644 include/dt-bindings/memory/mt2712-larb-port.h

Acked-by: Rob Herring <redacted>