linux-kernel - Re: [PATCH 2/2] dt-bindings: arm-smmu: Add binding for Qcom SDX55 SMMU

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Message-ID: <20210122135056.GA32437@work>
Date:   Fri, 22 Jan 2021 19:20:57 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Will Deacon <will@...nel.org>
Cc:     Rob Herring <robh@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Robin Murphy <robin.murphy@....com>,
        Vinod Koul <vkoul@...nel.org>, robh+dt@...nel.org,
        iommu@...ts.linux-foundation.org, bjorn.andersson@...aro.org,
        linux-kernel@...r.kernel.org, Joerg Roedel <joro@...tes.org>
Subject: Re: [PATCH 2/2] dt-bindings: arm-smmu: Add binding for Qcom SDX55
 SMMU

On Fri, Jan 22, 2021 at 01:14:49PM +0000, Will Deacon wrote:
> On Tue, Jan 12, 2021 at 09:22:23PM -0600, Rob Herring wrote:
> > On Thu, 07 Jan 2021 20:01:18 +0530, Manivannan Sadhasivam wrote:
> > > Add devicetree binding for Qualcomm SDX55 SMMU.
> > > 
> > > Cc: Will Deacon <will@...nel.org>
> > > Cc: Robin Murphy <robin.murphy@....com>
> > > Cc: Joerg Roedel <joro@...tes.org>
> > > Cc: iommu@...ts.linux-foundation.org
> > > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> > > Reviewed-by: Vinod Koul <vkoul@...nel.org>
> > > ---
> > >  Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 1 +
> > >  1 file changed, 1 insertion(+)
> > > 
> > 
> > Acked-by: Rob Herring <robh@...nel.org>
> 
> Is there another patch adding driver support for matching this new binding?
> 

Nope. But the compatible is used as a fallback with "arm,mmu-500". The
dts patch is merged into qcom tree:

https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux.git/commit/?h=dts-for-5.12&id=a2bdfdfba2afb532f2a2c8082bdb7de8379a4b6c

Thanks,
Mani

> Will