linux-kernel - Re: [PATCH 4/6] arm64: dts: qcom: sm8250: Add SMP2P nodes

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Message-ID: <20200623024851.GD11093@Mani-XPS-13-9360>
Date:   Tue, 23 Jun 2020 08:18:51 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 4/6] arm64: dts: qcom: sm8250: Add SMP2P nodes

On Mon, Jun 22, 2020 at 03:27:45PM -0700, Bjorn Andersson wrote:
> SMP2P is used for interrupting and being interrupted about remoteproc
> state changes related to the audio, compute and sensor subsystems.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

Thanks,
Mani

> ---
>  arch/arm64/boot/dts/qcom/sm8250.dtsi | 72 ++++++++++++++++++++++++++++
>  1 file changed, 72 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> index 246e6f279aa8..364d9a798673 100644
> --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> @@ -314,6 +314,78 @@ smem: qcom,smem {
>  		hwlocks = <&tcsr_mutex 3>;
>  	};
>  
> +	smp2p-adsp {
> +		compatible = "qcom,smp2p";
> +		qcom,smem = <443>, <429>;
> +		interrupts-extended = <&ipcc IPCC_CLIENT_LPASS
> +					     IPCC_MPROC_SIGNAL_SMP2P
> +					     IRQ_TYPE_EDGE_RISING>;
> +		mboxes = <&ipcc IPCC_CLIENT_LPASS
> +				IPCC_MPROC_SIGNAL_SMP2P>;
> +
> +		qcom,local-pid = <0>;
> +		qcom,remote-pid = <2>;
> +
> +		smp2p_adsp_out: master-kernel {
> +			qcom,entry-name = "master-kernel";
> +			#qcom,smem-state-cells = <1>;
> +		};
> +
> +		smp2p_adsp_in: slave-kernel {
> +			qcom,entry-name = "slave-kernel";
> +			interrupt-controller;
> +			#interrupt-cells = <2>;
> +		};
> +	};
> +
> +	smp2p-cdsp {
> +		compatible = "qcom,smp2p";
> +		qcom,smem = <94>, <432>;
> +		interrupts-extended = <&ipcc IPCC_CLIENT_CDSP
> +					     IPCC_MPROC_SIGNAL_SMP2P
> +					     IRQ_TYPE_EDGE_RISING>;
> +		mboxes = <&ipcc IPCC_CLIENT_CDSP
> +				IPCC_MPROC_SIGNAL_SMP2P>;
> +
> +		qcom,local-pid = <0>;
> +		qcom,remote-pid = <5>;
> +
> +		smp2p_cdsp_out: master-kernel {
> +			qcom,entry-name = "master-kernel";
> +			#qcom,smem-state-cells = <1>;
> +		};
> +
> +		smp2p_cdsp_in: slave-kernel {
> +			qcom,entry-name = "slave-kernel";
> +			interrupt-controller;
> +			#interrupt-cells = <2>;
> +		};
> +	};
> +
> +	smp2p-slpi {
> +		compatible = "qcom,smp2p";
> +		qcom,smem = <481>, <430>;
> +		interrupts-extended = <&ipcc IPCC_CLIENT_SLPI
> +					     IPCC_MPROC_SIGNAL_SMP2P
> +					     IRQ_TYPE_EDGE_RISING>;
> +		mboxes = <&ipcc IPCC_CLIENT_SLPI
> +				IPCC_MPROC_SIGNAL_SMP2P>;
> +
> +		qcom,local-pid = <0>;
> +		qcom,remote-pid = <3>;
> +
> +		smp2p_slpi_out: master-kernel {
> +			qcom,entry-name = "master-kernel";
> +			#qcom,smem-state-cells = <1>;
> +		};
> +
> +		smp2p_slpi_in: slave-kernel {
> +			qcom,entry-name = "slave-kernel";
> +			interrupt-controller;
> +			#interrupt-cells = <2>;
> +		};
> +	};
> +
>  	soc: soc@0 {
>  		#address-cells = <2>;
>  		#size-cells = <2>;
> -- 
> 2.26.2
>