linux-kernel - Re: [PATCH 8/9] arm64: dts: qcom: sc7280: Add Q6V5 MSS node

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Message-ID: <YNoXbOIbN/P42ubO@google.com>
Date:   Mon, 28 Jun 2021 11:39:40 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Sibi Sankar <sibis@...eaurora.org>
Cc:     bjorn.andersson@...aro.org, robh+dt@...nel.org, will@...nel.org,
        saiprakash.ranjan@...eaurora.org, ohad@...ery.com,
        agross@...nel.org, mathieu.poirier@...aro.org,
        robin.murphy@....com, joro@...tes.org, p.zabel@...gutronix.de,
        linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, evgreen@...omium.org,
        dianders@...omium.org, swboyd@...omium.org
Subject: Re: [PATCH 8/9] arm64: dts: qcom: sc7280: Add Q6V5 MSS node

On Fri, Jun 25, 2021 at 01:17:37AM +0530, Sibi Sankar wrote:
> This patch adds Q6V5 MSS PAS remoteproc node for SC7280 SoCs.
> 
> Signed-off-by: Sibi Sankar <sibis@...eaurora.org>
> ---
>  arch/arm64/boot/dts/qcom/sc7280.dtsi | 40 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 40 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 3fb6a6ef39f8..56ea172f641f 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -584,6 +584,46 @@
>  			#power-domain-cells = <1>;
>  		};
>  
> +		remoteproc_mpss: remoteproc@...0000 {
> +			compatible = "qcom,sc7280-mpss-pas";
> +			reg = <0 0x04080000 0 0x10000>;
> +
> +			interrupts-extended = <&intc GIC_SPI 264 IRQ_TYPE_EDGE_RISING>,
> +					      <&modem_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,

looks like this patch/series depends on "Enable miscellaneous hardware
blocks to boot WPSS" (https://patchwork.kernel.org/project/linux-arm-msm/list/?series=475089)
which is not mentioned.

> +					      <&modem_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
> +					      <&modem_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
> +					      <&modem_smp2p_in 3 IRQ_TYPE_EDGE_RISING>,
> +					      <&modem_smp2p_in 7 IRQ_TYPE_EDGE_RISING>;
> +			interrupt-names = "wdog", "fatal", "ready", "handover",
> +					  "stop-ack", "shutdown-ack";
> +
> +			clocks = <&rpmhcc RPMH_CXO_CLK>;
> +			clock-names = "xo";
> +
> +			power-domains = <&rpmhpd SC7280_CX>,
> +					<&rpmhpd SC7280_MSS>;
> +			power-domain-names = "cx", "mss";
> +
> +			memory-region = <&mpss_mem>;
> +
> +			qcom,qmp = <&aoss_qmp>;
> +
> +			qcom,smem-states = <&modem_smp2p_out 0>;
> +			qcom,smem-state-names = "stop";
> +
> +			status = "disabled";
> +
> +			glink-edge {
> +				interrupts-extended = <&ipcc IPCC_CLIENT_MPSS
> +							     IPCC_MPROC_SIGNAL_GLINK_QMP
> +							     IRQ_TYPE_EDGE_RISING>;
> +				mboxes = <&ipcc IPCC_CLIENT_MPSS
> +						IPCC_MPROC_SIGNAL_GLINK_QMP>;
> +				label = "modem";
> +				qcom,remote-pid = <1>;
> +			};
> +		};
> +
>  		stm@...2000 {
>  			compatible = "arm,coresight-stm", "arm,primecell";
>  			reg = <0 0x06002000 0 0x1000>,

Reviewed-by: Matthias Kaehlcke <mka@...omium.org>