From: Simon Xue <xxm@rock-chips.com>
Date: Mon, 24 Jul 2017 02:37:13 +0000 (+0800)
Subject: Docs: dt: rockchip: add rockchip,disable-mmu-reset property
X-Git-Tag: v4.14-rc1~72^2^4~2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=07218a4fc59f6ceca950994e20ab766adbeebafb;p=thirdparty%2Fkernel%2Flinux.git

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>
---

diff --git a/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt
index 9a55ac3735e54..2098f7732264e 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 {