linux-kernel - Re: [PATCH v2 6/7] dt-bindings: remoteproc: qcom,sm8550-pas: Document Glymur ADSP

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Message-ID: <CAL_JsqJALs2=qAv5OkXzAvteSc0uUza_FMubTdEcrs7fe2r1rg@mail.gmail.com>
Date: Wed, 29 Oct 2025 08:28:48 -0500
From: Rob Herring <robh@...nel.org>
To: Jingyi Wang <jingyi.wang@....qualcomm.com>
Cc: Bjorn Andersson <andersson@...nel.org>, Mathieu Poirier <mathieu.poirier@...aro.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Manivannan Sadhasivam <mani@...nel.org>, aiqun.yu@....qualcomm.com, tingwei.zhang@....qualcomm.com, 
	trilok.soni@....qualcomm.com, yijie.yang@....qualcomm.com, 
	linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Sibi Sankar <sibi.sankar@....qualcomm.com>
Subject: Re: [PATCH v2 6/7] dt-bindings: remoteproc: qcom,sm8550-pas: Document
 Glymur ADSP

On Wed, Oct 29, 2025 at 8:23 AM Rob Herring <robh@...nel.org> wrote:
>
> On Wed, Oct 29, 2025 at 01:05:44AM -0700, Jingyi Wang wrote:
> > From: Sibi Sankar <sibi.sankar@....qualcomm.com>
> >
> > Document compatible for Qualcomm Glymur SoC ADSP which is fully compatible
> > with SM8750 ADSP. Also with the Linux Host running on EL2, the remoteprocs
> > need to be hypervisor independent, the iommu property is mandatory to
> > ensure proper functionality.
> >
> > Signed-off-by: Sibi Sankar <sibi.sankar@....qualcomm.com>
> > Signed-off-by: Jingyi Wang <jingyi.wang@....qualcomm.com>
> > ---
> >  .../devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml     | 13 +++++++++++++
> >  1 file changed, 13 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml
> > index 3b66bd106737..8cb839ba1058 100644
> > --- a/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml
> > +++ b/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml
> > @@ -29,6 +29,7 @@ properties:
> >            - qcom,x1e80100-cdsp-pas
> >        - items:
> >            - enum:
> > +              - qcom,glymur-adsp-pas
> >                - qcom,kaanapali-adsp-pas
> >                - qcom,sm8750-adsp-pas
> >            - const: qcom,sm8550-adsp-pas
> > @@ -101,6 +102,7 @@ allOf:
> >          compatible:
> >            contains:
> >              enum:
> > +              - qcom,glymur-adsp-pas
> >                - qcom,kaanapali-adsp-pas
> >                - qcom,kaanapali-cdsp-pas
> >                - qcom,sm8750-adsp-pas
> > @@ -247,6 +249,17 @@ allOf:
> >              - const: mxc
> >              - const: nsp
> >
> > +  - if:
> > +      properties:
> > +        compatible:
> > +          contains:
> > +            enum:
> > +              - qcom,glymur-adsp-pas
> > +    then:
> > +      properties:
> > +        iommus:
> > +          maxItems: 1
>
> This doesn't make 'iommus' mandatory as the commit msg says.

Also, 'iommus' needs to be defined at the top-level of the schema.

Rob