linux-kernel - Re: [PATCH v2 17/17] arm64: dts: sdm845: add IPA information

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Date:   Wed, 11 Mar 2020 10:49:02 +0000
From:   Jon Hunter <jonathanh@...dia.com>
To:     Alex Elder <elder@...aro.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>
CC:     David Miller <davem@...emloft.net>, Arnd Bergmann <arnd@...db.de>,
        Johannes Berg <johannes@...solutions.net>,
        Dan Williams <dcbw@...hat.com>,
        Evan Green <evgreen@...gle.com>,
        Eric Caruso <ejcaruso@...gle.com>,
        Susheel Yadav Yadagiri <syadagir@...eaurora.org>,
        Chaitanya Pratapa <cpratapa@...eaurora.org>,
        Subash Abhinov Kasiviswanathan <subashab@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Siddharth Gupta <sidgup@...eaurora.org>,
        <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-soc@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 17/17] arm64: dts: sdm845: add IPA information


On 06/03/2020 04:28, Alex Elder wrote:
> Add IPA-related nodes and definitions to "sdm845.dtsi".
> 
> Signed-off-by: Alex Elder <elder@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/sdm845.dtsi | 51 ++++++++++++++++++++++++++++
>  1 file changed, 51 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index d42302b8889b..58fd1c611849 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -675,6 +675,17 @@
>  			interrupt-controller;
>  			#interrupt-cells = <2>;
>  		};
> +
> +		ipa_smp2p_out: ipa-ap-to-modem {
> +			qcom,entry-name = "ipa";
> +			#qcom,smem-state-cells = <1>;
> +		};
> +
> +		ipa_smp2p_in: ipa-modem-to-ap {
> +			qcom,entry-name = "ipa";
> +			interrupt-controller;
> +			#interrupt-cells = <2>;
> +		};
>  	};
>  
>  	smp2p-slpi {
> @@ -1435,6 +1446,46 @@
>  			};
>  		};
>  
> +		ipa@...0000 {
> +			compatible = "qcom,sdm845-ipa";
> +
> +			modem-init;
> +			modem-remoteproc = <&mss_pil>;
> +
> +			reg = <0 0x1e40000 0 0x7000>,
> +			      <0 0x1e47000 0 0x2000>,
> +			      <0 0x1e04000 0 0x2c000>;
> +			reg-names = "ipa-reg",
> +				    "ipa-shared",
> +				    "gsi";
> +
> +			interrupts-extended =
> +					<&intc 0 311 IRQ_TYPE_EDGE_RISING>,
> +					<&intc 0 432 IRQ_TYPE_LEVEL_HIGH>,
> +					<&ipa_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
> +					<&ipa_smp2p_in 1 IRQ_TYPE_EDGE_RISING>;
> +			interrupt-names = "ipa",
> +					  "gsi",
> +					  "ipa-clock-query",
> +					  "ipa-setup-ready";
> +
> +			clocks = <&rpmhcc RPMH_IPA_CLK>;
> +			clock-names = "core";
> +
> +			interconnects =
> +				<&rsc_hlos MASTER_IPA &rsc_hlos SLAVE_EBI1>,
> +				<&rsc_hlos MASTER_IPA &rsc_hlos SLAVE_IMEM>,
> +				<&rsc_hlos MASTER_APPSS_PROC &rsc_hlos SLAVE_IPA_CFG>;
> +			interconnect-names = "memory",
> +					     "imem",
> +					     "config";
> +
> +			qcom,smem-states = <&ipa_smp2p_out 0>,
> +					   <&ipa_smp2p_out 1>;
> +			qcom,smem-state-names = "ipa-clock-enabled-valid",
> +						"ipa-clock-enabled";
> +		};
> +
>  		tcsr_mutex_regs: syscon@...0000 {
>  			compatible = "syscon";
>  			reg = <0 0x01f40000 0 0x40000>;
> 


This change is causing the following build error on today's -next ...

 DTC     arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dtb
 arch/arm64/boot/dts/qcom/sdm845.dtsi:1710.15-1748.5: ERROR (phandle_references): /soc@...pa@...0000: Reference to non-existent node or label "rsc_hlos"

Cheers
Jon

-- 
nvpublic