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| author | Joerg Roedel <jroedel@suse.de> | 2017-06-28 10:42:54 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2017-06-28 10:42:54 +0200 |
| commit | 0b25635bd4da0a4b3d294f7b27aea0dc0cdfccff (patch) | |
| tree | b1c8262b155ead4b5bf945e373c4b7f4bae27594 /Documentation/devicetree | |
| parent | Linux 4.12-rc7 (diff) | |
| parent | iommu/arm-smmu-v3: Add workaround for Cavium ThunderX2 erratum #126 (diff) | |
| download | linux-0b25635bd4da0a4b3d294f7b27aea0dc0cdfccff.tar.xz linux-0b25635bd4da0a4b3d294f7b27aea0dc0cdfccff.zip | |
Merge branch 'for-joerg/arm-smmu/updates' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into arm/smmu
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt b/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt index be57550e14e4..c9abbf3e4f68 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt +++ b/Documentation/devicetree/bindings/iommu/arm,smmu-v3.txt @@ -26,6 +26,12 @@ the PCIe specification. * "priq" - PRI Queue not empty * "cmdq-sync" - CMD_SYNC complete * "gerror" - Global Error activated + * "combined" - The combined interrupt is optional, + and should only be provided if the + hardware supports just a single, + combined interrupt line. + If provided, then the combined interrupt + will be used in preference to any others. - #iommu-cells : See the generic IOMMU binding described in devicetree/bindings/pci/pci-iommu.txt @@ -49,6 +55,12 @@ the PCIe specification. - hisilicon,broken-prefetch-cmd : Avoid sending CMD_PREFETCH_* commands to the SMMU. +- cavium,cn9900-broken-page1-regspace + : Replaces all page 1 offsets used for EVTQ_PROD/CONS, + PRIQ_PROD/CONS register access with page 0 offsets. + Set for Cavium ThunderX2 silicon that doesn't support + SMMU page1 register space. + ** Example smmu@2b400000 { |