[PATCH 5/7] dt-bindings: iommu: qcom,iommu: Document QSMMU v2 compatibles
From: AngeloGioacchino Del Regno
Date: Fri Nov 11 2022 - 08:59:32 EST
Add compatible strings for "qcom,msm-iommu-v2" for the inner node,
"qcom,msm-iommu-v2-ns" and "qcom,msm-iommu-v2-sec" for the context
bank nodes to support Qualcomm's secure fw "SMMU v2" implementation.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/iommu/qcom,iommu.txt | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/iommu/qcom,iommu.txt b/Documentation/devicetree/bindings/iommu/qcom,iommu.txt
index 7d4e0a18b08e..b762772f80e7 100644
--- a/Documentation/devicetree/bindings/iommu/qcom,iommu.txt
+++ b/Documentation/devicetree/bindings/iommu/qcom,iommu.txt
@@ -11,7 +11,10 @@ to non-secure vs secure interrupt line.
"qcom,msm8916-iommu"
- Followed by "qcom,msm-iommu-v1".
+ Followed by one of:
+
+ - "qcom,msm-iommu-v1"
+ - "qcom,msm-iommu-v2"
- clock-names : Should be a pair of "iface" (required for IOMMUs
register group access) and "bus" (required for
@@ -36,6 +39,8 @@ to non-secure vs secure interrupt line.
- compatible : Should be one of:
- "qcom,msm-iommu-v1-ns" : non-secure context bank
- "qcom,msm-iommu-v1-sec" : secure context bank
+ - "qcom,msm-iommu-v2-ns" : non-secure QSMMUv2/QSMMU500 context bank
+ - "qcom,msm-iommu-v2-sec" : secure QSMMUv2/QSMMU500 context bank
- reg : Base address and size of context bank within the iommu
- interrupts : The context fault irq.
--
2.38.1