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

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Date:   Tue, 30 May 2023 12:46:08 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Manikanta Mylavarapu <quic_mmanikan@...cinc.com>,
        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 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