linux-kernel - Re: [PATCH v6 1/7] dt-bindings: iommu: Add Qualcomm TBU

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Date: Thu, 7 Mar 2024 16:24:08 -0600
From: Rob Herring <robh@...nel.org>
To: Georgi Djakov <quic_c_gdjako@...cinc.com>
Cc: andersson@...nel.org, robin.murphy@....com, quic_pdaly@...cinc.com,
	quic_sudaraja@...cinc.com, iommu@...ts.linux.dev,
	krzysztof.kozlowski+dt@...aro.org, joro@...tes.org,
	djakov@...nel.org, will@...nel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, conor+dt@...nel.org,
	linux-arm-msm@...r.kernel.org, konrad.dybcio@...aro.org,
	quic_cgoldswo@...cinc.com, quic_sukadev@...cinc.com,
	robdclark@...il.com, linux-arm-kernel@...ts.infradead.org,
	robh+dt@...nel.org
Subject: Re: [PATCH v6 1/7] dt-bindings: iommu: Add Qualcomm TBU


On Thu, 07 Mar 2024 11:05:19 -0800, Georgi Djakov wrote:
> The "apps_smmu" on the Qualcomm sdm845 platform is an implementation
> of the SMMU-500, that consists of a single TCU (Translation Control
> Unit) and multiple TBUs (Translation Buffer Units). These TBUs have
> hardware debugging features that are specific and only present on
> Qualcomm hardware. Represent them as independent DT nodes. List all
> the resources that are needed to operate them (such as registers,
> clocks, power domains and interconnects).
> 
> Signed-off-by: Georgi Djakov <quic_c_gdjako@...cinc.com>
> ---
>  .../devicetree/bindings/iommu/qcom,tbu.yaml   | 69 +++++++++++++++++++
>  1 file changed, 69 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iommu/qcom,tbu.yaml
> 

Reviewed-by: Rob Herring <robh@...nel.org>