linux-kernel - Re: [PATCH v2] dt-bindings: arm-smmu: Document QCS9100 SMMU

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Message-ID: <20240711105450.GA15335@willie-the-truck>
Date: Thu, 11 Jul 2024 11:54:50 +0100
From: Will Deacon <will@...nel.org>
To: Tengfei Fan <quic_tengfan@...cinc.com>
Cc: Robin Murphy <robin.murphy@....com>, Joerg Roedel <joro@...tes.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, kernel@...cinc.com,
	linux-arm-kernel@...ts.infradead.org, iommu@...ts.linux.dev,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] dt-bindings: arm-smmu: Document QCS9100 SMMU

On Tue, Jul 09, 2024 at 09:39:29PM +0800, Tengfei Fan wrote:
> Document the SMMU on the QCS9100 platform.
> QCS9100 is drived from SA8775p. Currently, both the QCS9100 and SA8775p
> platform use non-SCMI resource. In the future, the SA8775p platform will
> move to use SCMI resources and it will have new sa8775p-related device
> tree. Consequently, introduce "qcom,qcs9100-smmu-500" to describe
> non-SCMI based SMMU.
> 
> Signed-off-by: Tengfei Fan <quic_tengfan@...cinc.com>
> ---
> Introduce support for the QCS9100 SoC device tree (DTSI) and the
> QCS9100 RIDE board DTS. The QCS9100 is a variant of the SA8775p.
> While the QCS9100 platform is still in the early design stage, the
> QCS9100 RIDE board is identical to the SA8775p RIDE board, except it
> mounts the QCS9100 SoC instead of the SA8775p SoC.
> 
> The QCS9100 SoC DTSI is directly renamed from the SA8775p SoC DTSI, and
> all the compatible strings will be updated from "SA8775p" to "QCS9100".
> The QCS9100 device tree patches will be pushed after all the device tree
> bindings and device driver patches are reviewed.
> 
> The final dtsi will like:
> https://lore.kernel.org/linux-arm-msm/20240703025850.2172008-3-quic_tengfan@quicinc.com/
> 
> The detailed cover letter reference:
> https://lore.kernel.org/linux-arm-msm/20240703025850.2172008-1-quic_tengfan@quicinc.com/
> ---
> Changes in v2:
>   - Split huge patch series into different patch series according to
>     subsytems
>   - Update patch commit message
> 
> prevous disscussion here:
> [1] v1: https://lore.kernel.org/linux-arm-msm/20240703025850.2172008-1-quic_tengfan@quicinc.com/
> ---
>  Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 3 +++
>  1 file changed, 3 insertions(+)

Sorry, but this doesn't apply against my bindings branch:

https://git.kernel.org/pub/scm/linux/kernel/git/will/linux.git/log/?h=for-joerg/arm-smmu/bindings

Will