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authorSimon Xue <xxm@rock-chips.com>2017-07-24 05:37:13 +0300
committerJoerg Roedel <jroedel@suse.de>2017-07-27 15:15:19 +0300
commit07218a4fc59f6ceca950994e20ab766adbeebafb (patch)
tree61ed0969bbb99ff0eb6e544d0567ed7bbacec38f /Documentation/devicetree/bindings/iommu
parent520eccdfe187591a51ea9ab4c1a024ae4d0f68d9 (diff)
downloadlinux-07218a4fc59f6ceca950994e20ab766adbeebafb.tar.xz
Docs: dt: rockchip: add rockchip,disable-mmu-reset property
Add rockchip,disable-mmu-reset property to disable some mmu reset operation Signed-off-by: Simon Xue <xxm@rock-chips.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'Documentation/devicetree/bindings/iommu')
-rw-r--r--Documentation/devicetree/bindings/iommu/rockchip,iommu.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt
index 9a55ac3735e5..2098f7732264 100644
--- a/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt
+++ b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt
@@ -15,6 +15,11 @@ 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.
+
Example:
vopl_mmu: iommu@ff940300 {