[PATCH V3 1/3] Docs: dt: rockchip: add rockchip, disable-mmu-reset property

[Simon Xue]

Add rockchip,disable-mmu-reset property to disable some mmu
reset operation

Signed-off-by: Simon Xue <xxm at rock-chips.com>
---
changes since V2:
use rockchip,disable-mmu-reset instead of rk-iommu,disable-reset-quirk

 Documentation/devicetree/bindings/iommu/rockchip,iommu.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt
index 9a55ac3..2098f77 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 at ff940300 {
-- 
1.9.1