On Mon, Jun 17, 2024 at 6:42 AM Andre Przywara <andre.przywara@xxxxxxx> wrote: > > 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@xxxxxxx> > Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Reviewed-by: Chen-Yu Tsai <wens@xxxxxxxx> > --- > .../bindings/iommu/allwinner,sun50i-h6-iommu.yaml | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml b/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml > index e20016f120175..a8409db4a3e3d 100644 > --- a/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml > +++ b/Documentation/devicetree/bindings/iommu/allwinner,sun50i-h6-iommu.yaml > @@ -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 > -- > 2.39.4 > >
