linux-kernel - Re: [PATCH 09/11] arm64: dtsi: qcom: ipq5018: enable nodes required for multipd

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Date:   Tue, 7 Mar 2023 16:41:12 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
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_kathirav@...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 07/03/2023 05:41, 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(+)
>  	soc: soc@0 {
>  		#address-cells = <1>;
>  		#size-cells = <1>;
> @@ -217,5 +259,93 @@ frame@...8000 {
>  				status = "disabled";
>  			};
>  		};
> +
> +		tcsr_mutex: hwlock@...5000 {

This does not look like in correct order. Don't stuff things to the end
of lists.

> +			compatible = "qcom,tcsr-mutex";
> +			reg = <0x01905000 0x8000>;
> +			#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>;
> +			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 {

No underscores in node names, generic node names. Actually I don't get
why do you need empty node at all.

> +				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>,
> +					<&wcss_smp2p_in 20 0>,
> +					<&wcss_smp2p_in 19 0>;


Best regards,
Krzysztof