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Message-Id: <20210422141602.350746-3-benjamin.gaignard@collabora.com>
Date: Thu, 22 Apr 2021 16:16:00 +0200
From: Benjamin Gaignard <benjamin.gaignard@...labora.com>
To: joro@...tes.org, will@...nel.org, robh+dt@...nel.org,
heiko@...ech.de, xxm@...k-chips.com
Cc: iommu@...ts.linux-foundation.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
kernel@...labora.com,
Benjamin Gaignard <benjamin.gaignard@...labora.com>
Subject: [PATCH v2 2/4] dt-bindings: iommu: rockchip: Add compatible for v2
Add compatible for the second version of IOMMU hardware block.
RK356x IOMMU can also be link to a power domain.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>
---
version 2:
- Add power-domains property
.../devicetree/bindings/iommu/rockchip,iommu.yaml | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/iommu/rockchip,iommu.yaml b/Documentation/devicetree/bindings/iommu/rockchip,iommu.yaml
index 0db208cf724a..e54353ccd1ec 100644
--- a/Documentation/devicetree/bindings/iommu/rockchip,iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/rockchip,iommu.yaml
@@ -19,7 +19,9 @@ description: |+
properties:
compatible:
- const: rockchip,iommu
+ enum:
+ - rockchip,iommu
+ - rockchip,iommu-v2
reg:
minItems: 1
@@ -46,6 +48,9 @@ properties:
"#iommu-cells":
const: 0
+ power-domains:
+ maxItems: 1
+
rockchip,disable-mmu-reset:
$ref: /schemas/types.yaml#/definitions/flag
description: |
--
2.25.1
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