On Mon, Aug 01, 2022 at 03:02:37PM -0600, Rob Herring wrote: > The pl330 can be behind an IOMMU which is the case for Arm Juno board. > Add the 'iommus' property allowing for 1 IOMMU entry per channel for > writes and 1 IOMMU entry for reads. > > Signed-off-by: Rob Herring <robh@xxxxxxxxxx> > --- > v2: > - Include IOMMU entry for read channel > --- > Documentation/devicetree/bindings/dma/arm,pl330.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) Ping! > > diff --git a/Documentation/devicetree/bindings/dma/arm,pl330.yaml b/Documentation/devicetree/bindings/dma/arm,pl330.yaml > index 2bec69b308f8..4a3dd6f5309b 100644 > --- a/Documentation/devicetree/bindings/dma/arm,pl330.yaml > +++ b/Documentation/devicetree/bindings/dma/arm,pl330.yaml > @@ -55,6 +55,12 @@ properties: > > dma-coherent: true > > + iommus: > + minItems: 1 > + maxItems: 9 > + description: Up to 1 IOMMU entry per DMA channel for writes and 1 > + IOMMU entry for reads. > + > power-domains: > maxItems: 1 > > -- > 2.34.1 > >
