linux-kernel - Re: [PATCH v2 1/3] arm64: dts: qcom: sm8450: add GPR node

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Date:   Tue, 15 Nov 2022 12:02:12 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: Re: [PATCH v2 1/3] arm64: dts: qcom: sm8450: add GPR node



On 15/11/2022 12:00, Krzysztof Kozlowski wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> 
> Add Generic Packet Router (GPR) device node with ADSP services.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> Co-developed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
>   arch/arm64/boot/dts/qcom/sm8450.dtsi | 40 ++++++++++++++++++++++++++++
>   1 file changed, 40 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> index 46f9576f786f..4b0a1eee8bd9 100644
> --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
> @@ -13,6 +13,7 @@
>   #include <dt-bindings/mailbox/qcom-ipcc.h>
>   #include <dt-bindings/power/qcom-rpmpd.h>
>   #include <dt-bindings/interconnect/qcom,sm8450.h>
> +#include <dt-bindings/soc/qcom,gpr.h>
>   #include <dt-bindings/soc/qcom,rpmh-rsc.h>
>   #include <dt-bindings/thermal/thermal.h>
>   
> @@ -2134,6 +2135,45 @@ IPCC_MPROC_SIGNAL_GLINK_QMP
>   				label = "lpass";
>   				qcom,remote-pid = <2>;
>   
> +				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 {
> +						reg = <GPR_APM_MODULE_IID>;
> +						compatible = "qcom,q6apm";
> +						#sound-dai-cells = <0>;
> +						qcom,protection-domain = "avs/audio",
> +									 "msm/adsp/audio_pd";
> +
> +						q6apmdai: dais {
> +							compatible = "qcom,q6apm-dais";
> +							iommus = <&apps_smmu 0x1801 0x0>;
> +						};
> +
> +						q6apmbedai: bedais {
> +							compatible = "qcom,q6apm-lpass-dais";
> +							#sound-dai-cells = <1>;
> +						};
> +					};
> +
> +					q6prm: service@2 {
> +						reg = <GPR_PRM_MODULE_IID>;
> +						compatible = "qcom,q6prm";
> +						qcom,protection-domain = "avs/audio",
> +									 "msm/adsp/audio_pd";
> +
> +						q6prmcc: clock-controller {
> +							compatible = "qcom,q6prm-lpass-clocks";
> +							#clock-cells = <2>;
> +						};
> +					};
> +				};
> +
>   				fastrpc {
>   					compatible = "qcom,fastrpc";
>   					qcom,glink-channels = "fastrpcglink-apps-dsp";