linux-kernel - Re: [PATCH 2/6] dt-bindings: remoteproc: qcom,sm8550-pas: Add Kaanapali CDSP

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Message-ID: <o6dzhmlicwiezmxlb5uqitx7e3pjpyuhbjqfumivbdkru42hvn@r4ksfa6m5nd2>
Date: Mon, 29 Sep 2025 12:34:56 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Jingyi Wang <jingyi.wang@....qualcomm.com>
Cc: Krzysztof Kozłowski <k.kozlowski.k@...il.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, aiqun.yu@....qualcomm.com,
        tingwei.zhang@....qualcomm.com, trilok.soni@....qualcomm.com,
        yijie.yang@....qualcomm.com
Subject: Re: [PATCH 2/6] dt-bindings: remoteproc: qcom,sm8550-pas: Add
 Kaanapali CDSP

On Mon, Sep 29, 2025 at 02:20:54PM +0800, Jingyi Wang wrote:
> 
> 
> On 9/25/2025 9:48 AM, Krzysztof Kozłowski wrote:
> > On Thu, 25 Sept 2025 at 08:37, Jingyi Wang <jingyi.wang@....qualcomm.com> wrote:
> >>
> >> Add remote processor PAS loader for Kaanapali CDSP processor, compatible
> >> with earlier SM8550 with minor difference: one more sixth "shutdown-ack"
> >> interrupt.
> >>
> >> Signed-off-by: Jingyi Wang <jingyi.wang@....qualcomm.com>
> >> ---
> >>  .../bindings/remoteproc/qcom,sm8550-pas.yaml          | 19 +++++++++++++++++++
> >>  1 file changed, 19 insertions(+)
> >>
> >> diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml
> >> index be9e2a0bc060..031fdf36a66c 100644
> >> --- a/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml
> >> +++ b/Documentation/devicetree/bindings/remoteproc/qcom,sm8550-pas.yaml
> >> @@ -35,6 +35,9 @@ properties:
> >>        - items:
> >>            - const: qcom,sm8750-cdsp-pas
> >>            - const: qcom,sm8650-cdsp-pas
> >> +      - items:
> >> +          - const: qcom,kaanapali-cdsp-pas
> >> +          - const: qcom,sm8550-cdsp-pas
> > 
> > 
> > This time maybe without HTML:
> > 
> > This looks wrong. This is not compatible with SM8550.
> 
> Could you point out what is the difference from your perspecetive?
> it is the same as SM8550 except for there is one more interrupt,
> which is also described in this patch.

I'd second Krzysztof here. Your description points out that it is _not_
compatible to SM8550.

-- 
With best wishes
Dmitry