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dt-bindings: iommu: add disable iommu reset and skip iommu read for rockchip iommu

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Change-Id: I3f31f5745078717dfecba649ae6aca573eb7f30b
Signed-off-by: Simon Xue <xxm@rock-chips.com>
This commit is contained in:
Simon Xue
2017-10-26 12:44:58 +08:00
committed by Huang, Tao
parent 9589e35ca4
commit 6edf2bce3e
1 changed files with 9 additions and 0 deletions
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9
Documentation/devicetree/bindings/iommu/rockchip,iommu.txt
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@@ -22,6 +22,15 @@ Required properties:
to associate with its master device. See:
Documentation/devicetree/bindings/iommu/iommu.txt
Optional properties:
- rockchip,disable-mmu-reset : Don't use the mmu reset operation.
Some mmu instances may produce unexpected results
when the reset operation is used.
- rk_iommu,disable_reset_quirk : Same with above, for compatible with previous code
- rockchip,skip-mmu-read : Some iommu instances are not able to be read, skip
reading operation to make iommu work as normal
Example:
vopl_mmu: iommu@ff8f3f00 {