diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/Intel-IOMMU.txt | 2 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/arm/cpus.txt | 1 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/iommu/arm,smmu.txt | 6 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/iommu/ti,omap-iommu.txt | 6 |
4 files changed, 14 insertions, 1 deletions
diff --git a/Documentation/Intel-IOMMU.txt b/Documentation/Intel-IOMMU.txt index cf9431db8731..7b57fc087088 100644 --- a/Documentation/Intel-IOMMU.txt +++ b/Documentation/Intel-IOMMU.txt @@ -10,7 +10,7 @@ This guide gives a quick cheat sheet for some basic understanding. Some Keywords DMAR - DMA remapping -DRHD - DMA Engine Reporting Structure +DRHD - DMA Remapping Hardware Unit Definition RMRR - Reserved memory Region Reporting Structure ZLR - Zero length reads from PCI devices IOVA - IO Virtual address. diff --git a/Documentation/devicetree/bindings/arm/cpus.txt b/Documentation/devicetree/bindings/arm/cpus.txt index d6b794cef0b8..91e6e5c478d0 100644 --- a/Documentation/devicetree/bindings/arm/cpus.txt +++ b/Documentation/devicetree/bindings/arm/cpus.txt @@ -199,6 +199,7 @@ nodes to be present and contain the properties described below. "qcom,kpss-acc-v1" "qcom,kpss-acc-v2" "rockchip,rk3066-smp" + "ste,dbx500-smp" - cpu-release-addr Usage: required for systems that have an "enable-method" diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt index 06760503a819..718074501fcb 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt @@ -43,6 +43,12 @@ conditions. ** System MMU optional properties: +- dma-coherent : Present if page table walks made by the SMMU are + cache coherent with the CPU. + + NOTE: this only applies to the SMMU itself, not + masters connected upstream of the SMMU. + - calxeda,smmu-secure-config-access : Enable proper handling of buggy implementations that always use secure access to SMMU configuration registers. In this case non-secure diff --git a/Documentation/devicetree/bindings/iommu/ti,omap-iommu.txt b/Documentation/devicetree/bindings/iommu/ti,omap-iommu.txt index 42531dc387aa..869699925fd5 100644 --- a/Documentation/devicetree/bindings/iommu/ti,omap-iommu.txt +++ b/Documentation/devicetree/bindings/iommu/ti,omap-iommu.txt @@ -8,6 +8,11 @@ Required properties: - ti,hwmods : Name of the hwmod associated with the IOMMU instance - reg : Address space for the configuration registers - interrupts : Interrupt specifier for the IOMMU instance +- #iommu-cells : Should be 0. OMAP IOMMUs are all "single-master" devices, + and needs no additional data in the pargs specifier. Please + also refer to the generic bindings document for more info + on this property, + Documentation/devicetree/bindings/iommu/iommu.txt Optional properties: - ti,#tlb-entries : Number of entries in the translation look-aside buffer. @@ -18,6 +23,7 @@ Optional properties: Example: /* OMAP3 ISP MMU */ mmu_isp: mmu@480bd400 { + #iommu-cells = <0>; compatible = "ti,omap2-iommu"; reg = <0x480bd400 0x80>; interrupts = <24>; |