linux-kernel - Re: [PATCH v1 1/2] arm64: dts: qcom: sa8775p: Add gpr node

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Message-ID: <ea0c075d-85dc-469f-87b4-66834e3ff89e@oss.qualcomm.com>
Date: Tue, 27 May 2025 15:28:55 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Mohammad Rafi Shaik <mohammad.rafi.shaik@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, quic_pkumpatl@...cinc.com,
        kernel@....qualcomm.com
Subject: Re: [PATCH v1 1/2] arm64: dts: qcom: sa8775p: Add gpr node

On 5/25/25 5:53 PM, Mohammad Rafi Shaik wrote:
> Add GPR(Generic Pack router) node along with
> APM(Audio Process Manager) and PRM(Proxy resource
> Manager) audio services.
> 
> Signed-off-by: Mohammad Rafi Shaik <mohammad.rafi.shaik@....qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/sa8775p.dtsi | 40 +++++++++++++++++++++++++++
>  1 file changed, 40 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> index 45f536633f64..187a59e29f59 100644
> --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> @@ -13,6 +13,7 @@
>  #include <dt-bindings/dma/qcom-gpi.h>
>  #include <dt-bindings/interconnect/qcom,sa8775p-rpmh.h>
>  #include <dt-bindings/mailbox/qcom-ipcc.h>
> +#include <dt-bindings/soc/qcom,gpr.h>
>  #include <dt-bindings/firmware/qcom,scm.h>
>  #include <dt-bindings/power/qcom,rpmhpd.h>
>  #include <dt-bindings/power/qcom-rpmpd.h>
> @@ -6109,6 +6110,45 @@ compute-cb@5 {
>  						dma-coherent;
>  					};
>  				};
> +
> +				gpr {
> +					compatible = "qcom,gpr";
> +					qcom,glink-channels = "adsp_apps";
> +					qcom,domain = <GPR_DOMAIN_ID_ADSP>;
> +					qcom,intents = <512 20>;
> +					#address-cells = <1>;
> +					#size-cells = <0>;
> +
> +					q6apm: service@1 {
> +						compatible = "qcom,q6apm";
> +						reg = <GPR_APM_MODULE_IID>;
> +						#sound-dai-cells = <0>;
> +						qcom,protection-domain = "avs/audio",
> +									 "msm/adsp/audio_pd";
> +
> +						q6apmdai: dais {
> +							compatible = "qcom,q6apm-dais";
> +							iommus = <&apps_smmu 0x3001 0x0>;
> +						};
> +
> +						q6apmbedai: bedais {
> +							compatible = "qcom,q6apm-lpass-dais";
> +							#sound-dai-cells = <1>;
> +						};

'bedais' < 'dais'

othewrise

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad