[PATCH v11 06/12] dt-bindings: arm-smmu: Add compatible string for Adreno GPU SMMU
STALE2246d
REVIEWED: 6 (6M)
From: Jordan Crouse <hidden>
Date: 2020-08-03 19:36:24
Also in:
linux-arm-msm, linux-devicetree, linux-iommu, 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
Revision v11 of 4 in this series; 1 review trailer (1 from subsystem maintainers).
Revisions (4)
- v10 [diff vs current]
- v11 current
- v12 [diff vs current]
- v12 [diff vs current]
Every Qcom Adreno GPU has an embedded SMMU for its own use. These devices depend on unique features such as split pagetables, different stall/halt requirements and other settings. Identify them with a compatible string so that they can be identified in the arm-smmu implementation specific code. Signed-off-by: Jordan Crouse <redacted> Reviewed-by: Rob Herring <robh@kernel.org> --- Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 503160a7b9a0..70996348c1d8 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml@@ -49,6 +49,10 @@ properties: - enum: - nvidia,tegra194-smmu - const: nvidia,smmu-500 + - description: Qcom Adreno GPUs implementing "arm,smmu-v2" + items: + - const: qcom,adreno-smmu + - const: qcom,smmu-v2 - items: - const: arm,mmu-500 - const: arm,smmu-v2
--
2.25.1
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