| Message ID | 2273645f1fa5c76b6b98b5fd03804ab8b55a7691.1473695704.git.robin.murphy@arm.com |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
On Mon, Sep 12, 2016 at 05:13:43PM +0100, Robin Murphy wrote: > We're about to ratify our use of the generic binding, so document it. > > CC: Rob Herring <robh+dt@kernel.org> > CC: Mark Rutland <mark.rutland@arm.com> > Signed-off-by: Robin Murphy <robin.murphy@arm.com> > > --- > > - Reference PCI "iommu-map" binding instead, as that's our main concern > - Fix "IDs" typo > --- > Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) Acked-by: Rob Herring <robh@kernel.org> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt b/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt index 7b94c88cf2ee..be57550e14e4 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt +++ b/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt @@ -27,6 +27,12 @@ the PCIe specification. * "cmdq-sync" - CMD_SYNC complete * "gerror" - Global Error activated +- #iommu-cells : See the generic IOMMU binding described in + devicetree/bindings/pci/pci-iommu.txt + for details. For SMMUv3, must be 1, with each cell + describing a single stream ID. All possible stream + IDs which a device may emit must be described. + ** SMMUv3 optional properties: - dma-coherent : Present if DMA operations made by the SMMU (page @@ -54,6 +60,6 @@ the PCIe specification. <GIC_SPI 79 IRQ_TYPE_EDGE_RISING>; interrupt-names = "eventq", "priq", "cmdq-sync", "gerror"; dma-coherent; - #iommu-cells = <0>; + #iommu-cells = <1>; msi-parent = <&its 0xff0000>; };
We're about to ratify our use of the generic binding, so document it. CC: Rob Herring <robh+dt@kernel.org> CC: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Robin Murphy <robin.murphy@arm.com> --- - Reference PCI "iommu-map" binding instead, as that's our main concern - Fix "IDs" typo --- Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)