linux-kernel - Re: [PATCH v3 05/15] dt-bindings: remoteproc: qcom,adsp: drop resets and qcom,halt-regs

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Message-ID: <167026944152.2473650.845853977501597417.robh@kernel.org>
Date:   Mon, 5 Dec 2022 13:44:02 -0600
From:   Rob Herring <robh@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Manivannan Sadhasivam <mani@...nel.org>,
        devicetree@...r.kernel.org,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        linux-arm-msm@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        linux-remoteproc@...r.kernel.org,
        Bjorn Andersson <andersson@...nel.org>
Subject: Re: [PATCH v3 05/15] dt-bindings: remoteproc: qcom,adsp: drop resets
 and qcom,halt-regs


On Thu, 24 Nov 2022 19:43:23 +0100, Krzysztof Kozlowski wrote:
> Some remote processors (e.g. QCS404 CDSP, SC7180 MPSS/MSS) can be brought
> to life using two different bindings:
> 1. PIL (Peripheral Image Loader)
> 2. PAS (Peripheral Authentication Service)
> 
> They still describe the same hardware - firmware load for remote
> processor - but use different methods to communicate with that
> processor.
> 
> For these SoCs, the qcom,adsp.yaml bindings were describing the PAS
> method, however for easier customization of board DTS, the bindings
> combined additional properties from PIL: reset lines, qcom,halt-regs and
> additional clocks.  The devices and Linux kernel drivers, when
> instantiated as PAS, do not use these properties, so drop them from the
> bindings.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> ---
> 
> Changes since v2:
> 1. New patch
> ---
>  .../bindings/remoteproc/qcom,adsp.yaml        | 113 +-----------------
>  1 file changed, 4 insertions(+), 109 deletions(-)
> 

Acked-by: Rob Herring <robh@...nel.org>