D1 contains an IOMMU similar to the one in the H6 SoC, but the D1
variant has no external reset signal.
Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx>
---
Changes in v2:
- Disallow the 'resets' property for the D1 variant
.../iommu/allwinner,sun50i-h6-iommu.yaml | 20 +++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml b/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml
index e20016f12017..5aeea10cf899 100644
--- a/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml
@@ -17,7 +17,9 @@ properties:
The content of the cell is the master ID.
compatible:
- const: allwinner,sun50i-h6-iommu
+ enum:
+ - allwinner,sun20i-d1-iommu
+ - allwinner,sun50i-h6-iommu
reg:
maxItems: 1
@@ -37,7 +39,21 @@ required:
- reg
- interrupts
- clocks
- - resets
+
+if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - allwinner,sun50i-h6-iommu
+
+then:
+ required:
+ - resets
+
+else:
+ properties:
+ resets: false
additionalProperties: false
--
2.37.4
