[PATCH V3 1/3] Docs: dt: rockchip: add rockchip,disable-mmu-reset property
From: Simon Xue
Date: Sun Jul 23 2017 - 22:38:16 EST
Add rockchip,disable-mmu-reset property to disable some mmu
reset operation
Signed-off-by: Simon Xue <xxm@xxxxxxxxxxxxxx>
---
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@ff940300 {
--
1.9.1