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Message-ID: <aec18281-f3c4-8631-acd8-337a0aa04316@quicinc.com>
Date:   Tue, 7 Mar 2023 19:52:34 +0530
From:   Kathiravan T <quic_kathirav@...cinc.com>
To:     Manikanta Mylavarapu <quic_mmanikan@...cinc.com>,
        <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <jassisinghbrar@...il.com>,
        <mathieu.poirier@...aro.org>, <mturquette@...libre.com>,
        <sboyd@...nel.org>, <quic_gurus@...cinc.com>,
        <loic.poulain@...aro.org>, <quic_eberman@...cinc.com>,
        <robimarko@...il.com>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-remoteproc@...r.kernel.org>, <linux-clk@...r.kernel.org>
CC:     <quic_srichara@...cinc.com>, <quic_gokulsri@...cinc.com>,
        <quic_sjaganat@...cinc.com>, <quic_arajkuma@...cinc.com>,
        <quic_anusha@...cinc.com>, <quic_poovendh@...cinc.com>
Subject: Re: [PATCH 09/11] arm64: dtsi: qcom: ipq5018: enable nodes required
 for multipd


On 3/7/2023 10:11 AM, Manikanta Mylavarapu wrote:
> Enable nodes required for multipd remoteproc bring up
>
> Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
> ---
>   arch/arm64/boot/dts/qcom/ipq5018.dtsi | 130 ++++++++++++++++++++++++++
>   1 file changed, 130 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/ipq5018.dtsi b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
> index 084fb7b30dfd..4fa0990ab543 100644
> --- a/arch/arm64/boot/dts/qcom/ipq5018.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
> @@ -95,6 +95,24 @@ tz: tz@...00000 {
>   			reg = <0x0 0x4ac00000 0x0 0x00400000>;
>   			no-map;
>   		};
> +
> +		q6_region: wcnss@...00000 {
> +			no-map;
> +			reg = <0x0 0x4b000000 0x0 0x01700000>;


move the no-map after reg property to keep it consistent with other 
nodes. Also no need to pad the size in reg property


> +		};
> +
> +		smem@...00000 {
> +			compatible = "qcom,smem";
> +			reg = <0x0 0x4ab00000 0x0 0x00100000>;
> +			hwlocks = <&tcsr_mutex 0>;
> +			no-map;
> +		};
> +	};
> +
> +	firmware {


nodes should be in sorted order, please take care of this throughout the 
changes.


> +		scm {
> +			compatible = "qcom,scm-ipq5018", "qcom,scm";
> +		};
>   	};
>   
>   	timer {
> @@ -105,6 +123,30 @@ timer {
>   			     <GIC_PPI 1 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
>   	};
>   
> +	wcss: wcss-smp2p {
> +		compatible = "qcom,smp2p";
> +		qcom,smem = <435>, <428>;
> +
> +		interrupt-parent = <&intc>;
> +		interrupts = <GIC_SPI 177 IRQ_TYPE_EDGE_RISING>;
> +
> +		mboxes = <&apcs_glb 9>;
> +
> +		qcom,local-pid = <0>;
> +		qcom,remote-pid = <1>;
> +
> +		wcss_smp2p_out: master-kernel {
> +			qcom,entry-name = "master-kernel";
> +			#qcom,smem-state-cells = <1>;
> +		};
> +
> +		wcss_smp2p_in: slave-kernel {
> +			qcom,entry-name = "slave-kernel";
> +			interrupt-controller;
> +			#interrupt-cells = <2>;
> +		};
> +	};
> +
>   	soc: soc@0 {
>   		#address-cells = <1>;
>   		#size-cells = <1>;
> @@ -217,5 +259,93 @@ frame@...8000 {
>   				status = "disabled";
>   			};
>   		};
> +
> +		tcsr_mutex: hwlock@...5000 {
> +			compatible = "qcom,tcsr-mutex";
> +			reg = <0x01905000 0x8000>;


Please cover the entire region of size 128KB


> +			#hwlock-cells = <1>;
> +		};
> +
> +		apcs_glb: mailbox@...1000 {
> +			compatible = "qcom,ipq5018-apcs-apps-global";
> +			reg = <0x0b111000 0x1000>;
> +			#clock-cells = <1>;
> +			#mbox-cells = <1>;
> +		};
> +
> +		q6v5_wcss: remoteproc@...0000 {
> +			compatible = "qcom,ipq5018-q6-mpd";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges;
> +			reg = <0x0cd00000 0x4040>;


reg can be moved after compatible


> +			interrupts-extended = <&intc GIC_SPI 291 IRQ_TYPE_EDGE_RISING>,
> +					      <&wcss_smp2p_in 0 0>,
> +					      <&wcss_smp2p_in 1 0>,
> +					      <&wcss_smp2p_in 2 0>,
> +					      <&wcss_smp2p_in 3 0>;
> +			interrupt-names = "wdog",
> +					  "fatal",
> +					  "ready",
> +					  "handover",
> +					  "stop-ack";
> +
> +			qcom,smem-states = <&wcss_smp2p_out 0>,
> +					   <&wcss_smp2p_out 1>;
> +			qcom,smem-state-names = "shutdown",
> +						"stop";
> +			memory-region = <&q6_region>;
> +
> +			glink-edge {
> +				interrupts = <GIC_SPI 179 IRQ_TYPE_EDGE_RISING>;
> +				label = "rtr";
> +				qcom,remote-pid = <1>;
> +				mboxes = <&apcs_glb 8>;
> +			};
> +
> +			q6_wcss_pd1: remoteproc_pd1 {
> +				compatible = "qcom,ipq5018-wcss-ahb-mpd";
> +			};
> +
> +			q6_wcss_pd2: remoteproc_pd2 {
> +				compatible = "qcom,ipq5018-wcss-pcie-mpd";
> +				interrupts-extended = <&wcss_smp2p_in 16 0>,
> +					<&wcss_smp2p_in 17 0>,


Please take care of the alignment


> +					<&wcss_smp2p_in 20 0>,
> +					<&wcss_smp2p_in 19 0>;
> +				interrupt-names = "fatal",
> +					"ready",
> +					"spawn-ack",
> +					"stop-ack";
> +
> +				qcom,smem-states = <&wcss_smp2p_out 16>,
> +						<&wcss_smp2p_out 17>,
> +						<&wcss_smp2p_out 18>;
> +				qcom,smem-state-names = "shutdown",
> +							"stop",
> +							"spawn";
> +				status = "disabled";
> +			};
> +
> +			q6_wcss_pd3: remoteproc_pd3 {
> +				compatible = "qcom,ipq5018-wcss-pcie-mpd";
> +				interrupts-extended = <&wcss_smp2p_in 24 0>,
> +							<&wcss_smp2p_in 25 0>,
> +							<&wcss_smp2p_in 28 0>,
> +							<&wcss_smp2p_in 27 0>;
> +				interrupt-names = "fatal",
> +						"ready",
> +						"spawn-ack",
> +						"stop-ack";
> +
> +				qcom,smem-states = <&wcss_smp2p_out 24>,
> +						<&wcss_smp2p_out 25>,
> +						<&wcss_smp2p_out 26>;
> +				qcom,smem-state-names = "shutdown",
> +							"stop",
> +							"spawn";
> +				status = "disabled";
> +			};
> +		};
>   	};
>   };

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