linux-kernel - Re: [PATCH 4/4] arm64: dts: msm8996: Add SMP2P and APCS nodes

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Date:   Thu, 20 Oct 2016 14:22:30 -0700
From:   Sarangdhar Joshi <spjoshi@...eaurora.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        Trilok Soni <tsoni@...eaurora.org>,
        Will Deacon <will.deacon@....com>,
        linux-kernel@...r.kernel.org, David Brown <david.brown@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, Andy Gross <andy.gross@...aro.org>,
        linux-soc@...r.kernel.org, Stephen Boyd <sboyd@...eaurora.org>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 4/4] arm64: dts: msm8996: Add SMP2P and APCS nodes

On 10/20/2016 01:03 PM, Bjorn Andersson wrote:
> On Thu 20 Oct 11:56 PDT 2016, Sarangdhar Joshi wrote:
>
>> Add SMP2P and APCS DT nodes required for Qualcomm ADSP
>> Peripheral Image Loader.
>>
>
> Nice, two (very) small nits below. But other than that
>
> Acked-by: Bjorn Andersson <bjorn.andersson@...aro.org>
>
> Regards,
> Bjorn
>
>> Signed-off-by: Sarangdhar Joshi <spjoshi@...eaurora.org>
>> ---
>>  arch/arm64/boot/dts/qcom/msm8996.dtsi | 30 ++++++++++++++++++++++++++++++
>>  1 file changed, 30 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
>> index 0a810f5..3edb56b 100644
>> --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
>> @@ -169,6 +169,31 @@
>>  		method = "smc";
>>  	};
>>
>> +	smp2p-adsp {
>
> Sorry for bikeshedding, but on msm8916 I named these {subsystem}-smp2p,
> so I would prefer this was naemd adsp-smp2p...

Sure. Will do.

>
>> +		compatible = "qcom,smp2p";
>> +		qcom,smem = <443>, <429>;
>> +
>> +		interrupt-parent = <&intc>;
>
> I believe this node inherit intc as interrupt-parent from the root
> already, is there are reason why you need to specify it.
>

Good catch. I will remove it.

>> +		interrupts = <0 158 IRQ_TYPE_EDGE_RISING>;
>> +
>> +		qcom,ipc = <&apcs 16 10>;
>> +
>> +		qcom,local-pid = <0>;
>> +		qcom,remote-pid = <2>;
>> +
>> +		adsp_smp2p_out: master-kernel {
>> +			qcom,entry-name = "master-kernel";
>> +			#qcom,state-cells = <1>;
>> +		};
>> +
>> +		adsp_smp2p_in: slave-kernel {
>> +			qcom,entry-name = "slave-kernel";
>> +
>> +			interrupt-controller;
>> +			#interrupt-cells = <2>;
>> +		};
>> +	};
>> +
>>  	smem {
>>  		compatible = "qcom,smem";
>>
>> @@ -205,6 +230,11 @@
>>  			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
>>  		};
>>
>> +		apcs: syscon@...0000 {
>> +			compatible = "syscon";
>> +			reg = <0x9820000 0x1000>;
>> +		};
>> +
>>  		gcc: clock-controller@...000 {
>>  			compatible = "qcom,gcc-msm8996";
>>  			#clock-cells = <1>;
>> --
>> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
>> a Linux Foundation Collaborative Project
>>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>

Thanks for reviewing the patch.

Regards,
Sarang
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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