[PATCH v11 4/5] dt-bindings: arm-smmu: add binding for Tegra194 SMMU
From: Krishna Reddy <vdumpa@nvidia.com>
Date: 2020-07-18 19:35:23
Also in:
linux-devicetree, linux-iommu, linux-tegra, lkml
Subsystem:
arm smmu drivers, iommu subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Will Deacon, Joerg Roedel, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add binding for NVIDIA's Tegra194 SoC SMMU. Reviewed-by: Jon Hunter <jonathanh@nvidia.com> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Krishna Reddy <vdumpa@nvidia.com> --- .../devicetree/bindings/iommu/arm,smmu.yaml | 25 ++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 93fb9fe068b9..503160a7b9a0 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml@@ -44,6 +44,11 @@ properties: items: - const: marvell,ap806-smmu-500 - const: arm,mmu-500 + - description: NVIDIA SoCs that program two ARM MMU-500s identically + items: + - enum: + - nvidia,tegra194-smmu + - const: nvidia,smmu-500 - items: - const: arm,mmu-500 - const: arm,smmu-v2
@@ -61,7 +66,8 @@ properties: - cavium,smmu-v2 reg: - maxItems: 1 + minItems: 1 + maxItems: 2 '#global-interrupts': description: The number of global interrupts exposed by the device.
@@ -144,6 +150,23 @@ required: additionalProperties: false +allOf: + - if: + properties: + compatible: + contains: + enum: + - nvidia,tegra194-smmu + then: + properties: + reg: + minItems: 2 + maxItems: 2 + else: + properties: + reg: + maxItems: 1 + examples: - |+ /* SMMU with stream matching or stream indexing */
--
2.26.2
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