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dt-bindings: iommu: add new compatible strings

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The Allwinner H616 and A523 contain IOMMU IP very similar to the H6, but
use a different reset value for the bypass register, which makes them
strictly speaking incompatible.

Add a new compatible string for the H616, and a version for the A523,
falling back to the H616.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Link: https://lore.kernel.org/r/20240616224056.29159-4-andre.przywara@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Andre Przywara 2024-06-16 23:40:54 +01:00 committed by Joerg Roedel
parent 7b9331a3ae
commit 2d1d1969a7
1 changed files with 6 additions and 1 deletions
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7
Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml
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@ -17,7 +17,12 @@ properties:
The content of the cell is the master ID.
compatible:
const: allwinner,sun50i-h6-iommu
oneOf:
- const: allwinner,sun50i-h6-iommu
- const: allwinner,sun50i-h616-iommu
- items:
- const: allwinner,sun55i-a523-iommu
- const: allwinner,sun50i-h616-iommu
reg:
maxItems: 1