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ARM: dts: msm: Add documentation for qtb500

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Add documentation for qtb500 for gpu smmu.

Change-Id: I75e848ecc640232fd85e2d54efe7f019dbd28682
This commit is contained in:
Pratyush Brahma
2022-06-06 15:59:44 +05:30
parent 72c8141638
commit 7ba0649e89
1 changed files with 5 additions and 1 deletions
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6
bindings/iommu/arm,smmu.txt
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@@ -369,6 +369,10 @@ arm mmu-500 implementation.
- compatible : Should be one of:
"qcom,qsmmuv500-tbu"
"qcom,qtb500" can be used in conjunction with
"qcom,qsmmuv500-tbu", as the QTB500 is an implementation
of a TBU with different features/enhancements than a regular
TBU.
- reg : Base address and size.
@@ -382,7 +386,7 @@ arm mmu-500 implementation.
Example:
smmu {
compatible = "qcom,qsmmu-v500";
compatible = "qcom,qsmmu-v500", "qcom,qtb500";
tbu@0x1000 {
compatible = "qcom,qsmmuv500-tbu";
regs = <0x1000 0x1000>,