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Message-Id: <1500618430-114821-1-git-send-email-xxm@rock-chips.com>
Date: Fri, 21 Jul 2017 14:27:08 +0800
From: Simon Xue <xxm@...k-chips.com>
To: Joerg Roedel <joro@...tes.org>, Heiko Stuebner <heiko@...ech.de>
Cc: linux-rockchip@...ts.infradead.org,
iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
Simon <xxm@...k-chips.com>
Subject: [PATCH V2 1/3] Docs: dt: rockchip: add rk-iommu,disable-reset-quirk property
From: Simon <xxm@...k-chips.com>
Add rk-iommu,disable-reset-quirk property to ignore the isp mmu
reset operation
Signed-off-by: Simon <xxm@...k-chips.com>
---
changes since V1:
- new added file
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..aa2136c 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:
+- rk-iommu,disable-reset-quirk : This ignore the isp mmu reset operation.
+ It can't get the expected result when isp mmu
+ reset, but the reset function work normally
+
Example:
vopl_mmu: iommu@...40300 {
--
1.9.1
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