linux-kernel - Re: [PATCH 4/9] dt-bindings: remoteproc: qcom: wcnss: Convert to YAML

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Message-Id: <CJXP2Z9J7QS1.24A3N1EFCTACN@skynet-linux>
Date:   Thu, 12 May 2022 15:31:36 +0530
From:   "Sireesh Kodali" <sireeshkodali1@...il.com>
To:     "Krzysztof Kozlowski" <krzysztof.kozlowski@...aro.org>,
        <linux-remoteproc@...r.kernel.org>
Cc:     <linux-arm-msm@...r.kernel.org>,
        <~postmarketos/upstreaming@...ts.sr.ht>,
        <bjorn.andersson@...aro.org>, <devicetree@...r.kernel.org>,
        <phone-devel@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        "Andy Gross" <agross@...nel.org>,
        "Mathieu Poirier" <mathieu.poirier@...aro.org>,
        "Rob Herring" <robh+dt@...nel.org>,
        "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>
Subject: Re: [PATCH 4/9] dt-bindings: remoteproc: qcom: wcnss: Convert to
 YAML

On Thu May 12, 2022 at 2:06 PM IST, Krzysztof Kozlowski wrote:
> On 12/05/2022 08:50, Sireesh Kodali wrote:
> >>> +    description: The names of the state bits used for SMP2P output
> >>> +    items:
> >>> +      - const: stop
> >>> +
> >>> +  memory-region:
> >>> +    maxItems: 1
> >>> +    description: Reference to the reserved-memory for the WCNSS core
> >>> +
> >>> +  smd-edge:
> >>> +    type: object
> >>> +    description:
> >>> +      Qualcomm Shared Memory subnode which represents communication edge,
> >>> +      channels and devices related to the ADSP.
> >>
> >> You should reference /schemas/soc/qcom/qcom,smd.yaml
>
> It seems it is not a SMD driver so above reference is not correct. This
> should be probably described in its own schema, I just need to
> understand what's this...
>
The smd-edge node describes the smd channels used to communicate with
the remote processor. For wcnss that would be the remote proc id, and
the channels for bt and wifi (both separate). There's a similar node for
adsp and q6v5.
>
> Best regards,
> Krzysztof