linux-kernel - Re: [PATCH 00/10] ASoC: dt-bindings: Rework Qualcomm APR/GPR Sound nodes for SM8450

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Message-ID: <78602d4c-913a-04b3-dbca-40f672c78a53@linaro.org>
Date:   Fri, 11 Nov 2022 13:10:21 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Banajit Goswami <bgoswami@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>, alsa-devel@...a-project.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Patrick Lai <plai@....qualcomm.com>,
        Srinivasa Rao Mandadapu <srivasam@....qualcomm.com>
Subject: Re: [PATCH 00/10] ASoC: dt-bindings: Rework Qualcomm APR/GPR Sound
 nodes for SM8450

On 11/11/2022 12:35, Krzysztof Kozlowski wrote:
> Adding sound support for Qualcomm SM8450 SoC (and later for SC8280XP) brought
> some changes to APR/GPR services bindings.  These bindings are part of
> qcom,apr.yaml:
> 
>   apr-or-gpr-device-node <- qcom,apr.yaml
>     apr-gpr-service@[0-9] <- qcom,apr.yaml
>       service-specific-components <- /schemas/sound/qcom,q6*.yaml
> 
> The schema for services (apr-gpr-service@[0-9]) already grows considerably and
> is still quite not specific.  It allows several incorrect combinations, like
> adding a clock-controller to a APM device.  Restricting it would complicate the
> schema even more.  Bringing new support for sound on Qualcomm SM8450 and
> SC8280XP SoC would grow it as well.
> 
> Refactor the bindings before extending them for Qualcomm SM8450 SoC.
> 

I forgot to mention that DTS in progress is available here:
https://github.com/krzk/linux/blob/wip/sm8450/arch/arm64/boot/dts/qcom/sm8450-hdk.dts#L459
https://github.com/krzk/linux/blob/wip/sm8450/arch/arm64/boot/dts/qcom/sm8450.dtsi#L2345

Best regards,
Krzysztof