linux-kernel - Re: [PATCH V2 01/13] dt-bindings: remoteproc: qcom: Add support for multipd model

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Date:   Mon, 5 Jun 2023 11:28:20 +0530
From:   Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <jassisinghbrar@...il.com>, <mathieu.poirier@...aro.org>,
        <mturquette@...libre.com>, <sboyd@...nel.org>,
        <quic_eberman@...cinc.com>, <quic_mojha@...cinc.com>,
        <kvalo@...nel.org>, <loic.poulain@...aro.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-remoteproc@...r.kernel.org>,
        <linux-clk@...r.kernel.org>
CC:     <quic_srichara@...cinc.com>, <quic_sjaganat@...cinc.com>,
        <quic_kathirav@...cinc.com>, <quic_anusha@...cinc.com>,
        <quic_poovendh@...cinc.com>, <quic_varada@...cinc.com>,
        <quic_devipriy@...cinc.com>
Subject: Re: [PATCH V2 01/13] dt-bindings: remoteproc: qcom: Add support for
 multipd model



On 5/30/2023 4:16 PM, Krzysztof Kozlowski wrote:
> On 22/05/2023 00:28, Manikanta Mylavarapu wrote:
>> Add new binding document for multipd model remoteproc.
>> IPQ5018, IPQ9574 follows multipd model.
>>
>> Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
>> ---
>> Changes in V2:
>> 	- Fixed all comments and rebased for TOT.
>> 	- Changed to BSD-3-Clause based on internal open source team
>>            suggestion.
>> 	- Added firmware-name.
>>
>>   .../bindings/remoteproc/qcom,multipd-pil.yaml | 265 ++++++++++++++++++
>>   1 file changed, 265 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/remoteproc/qcom,multipd-pil.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,multipd-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,multipd-pil.yaml
>> new file mode 100644
>> index 000000000000..3257f27dc569
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/remoteproc/qcom,multipd-pil.yaml
>> @@ -0,0 +1,265 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/remoteproc/qcom,multipd-pil.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Qualcomm Multipd Secure Peripheral Image Loader
>> +
>> +maintainers:
>> +  - Bjorn Andersson <andersson@...nel.org>
>> +  - Mathieu Poirier <mathieu.poirier@...aro.org>
>> +
>> +description:
>> +  Multipd Peripheral Image Loader loads firmware and boots Q6 pd, WCSS pd
>> +  remoteproc's on the Qualcomm IPQ5018, IPQ9574 SoC. Pd means protection
>> +  domain. It's similar to process in Linux. Here QDSP6 processor runs each
>> +  wifi radio functionality on a separate process. One process can't access
>> +  other process resources, so this is termed as PD i.e protection domain.
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - qcom,ipq5018-q6-mpd
>> +      - qcom,ipq9574-q6-mpd
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  firmware-name:
>> +    $ref: /schemas/types.yaml#/definitions/string-array
>> +    description: Firmware name of the Hexagon core
>> +
>> +  interrupts-extended:
>> +    items:
>> +      - description: Watchdog interrupt
>> +      - description: Fatal interrupt
>> +      - description: Ready interrupt
>> +      - description: Handover interrupt
>> +      - description: Stop acknowledge interrupt
> 
> 
> interrupts instead. The same in required:. I replied also to your
> comment on your comment. :)
> 
> Best regards,
> Krzysztof
> 

I will use interrupts instead of interrupts-extended in dt-bindings.

Thanks & Regards,
Manikanta.