[PATCH v2 2/4] dt-bindings: iommu: rockchip: Add compatible for v2

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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@xxxxxxxxxxxxx>
---
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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