linux-kernel - Re: [PATCH 2/2] arm64: dts: qcom: sdm845: Add Q6V5 ADSP node

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Date:   Tue, 8 Jan 2019 18:04:39 +0530
From:   Rohit Kumar <rohitkr@...eaurora.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     dianders@...omium.org, andy.gross@...aro.org,
        david.brown@...aro.org, robh+dt@...nel.org, mark.rutland@....com,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, plai@...eaurora.org,
        bgoswami@...eaurora.org, srinivas.kandagatla@...aro.org,
        linux-remoteproc@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: qcom: sdm845: Add Q6V5 ADSP node

Thanks Bjorn for review.

On 1/4/2019 5:20 AM, Bjorn Andersson wrote:
> On Thu 20 Dec 05:39 PST 2018, Rohit kumar wrote:
>
>> This patch adds Q6V5 ADSP remoteproc node for SDM845 SoCs.
>>
> Thanks Rohit, nice to see these things on the list!
>
>> Signed-off-by: Rohit kumar <rohitkr@...eaurora.org>
>> ---
>>   arch/arm64/boot/dts/qcom/sdm845.dtsi | 96 +++++++++++++++++++++++++++++++++++-
>>   1 file changed, 95 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
>> index c0a012f..dfeb3cf 100644
>> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
>> @@ -13,6 +13,9 @@
>>   #include <dt-bindings/reset/qcom,sdm845-aoss.h>
>>   #include <dt-bindings/soc/qcom,rpmh-rsc.h>
>>   #include <dt-bindings/clock/qcom,gcc-sdm845.h>
>> +#include <dt-bindings/soc/qcom,apr.h>
>> +#include <dt-bindings/sound/qcom,q6afe.h>
>> +#include <dt-bindings/sound/qcom,q6asm.h>
>>   
>>   / {
>>   	interrupt-parent = <&intc>;
>> @@ -1691,7 +1694,98 @@
>>   				status = "disabled";
>>   			};
>>   		};
>> -	};
>> +
>> +		adsp_pil: remoteproc@...00000 {
> Please sort nodes by address, then name.

Sure.


>
>> +			compatible = "qcom,sdm845-adsp-pil";
>> +
>> +			reg = <0x17300000 0x410>;
>> +			reg-names = "qdsp6ss";
> reg-names was dropped from the binding (iirc), please omit it here.


Yup. Will remove it in next spin.

>
>> +
>> +			interrupts-extended = <&intc 0 162 IRQ_TYPE_EDGE_RISING>,
> s/0/GIC_SPI/
okay.
>
>> +				<&adsp_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
>> +				<&adsp_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
>> +				<&adsp_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
>> +				<&adsp_smp2p_in 3 IRQ_TYPE_EDGE_RISING>;
>> +			interrupt-names = "wdog", "fatal", "ready",
>> +					  "handover", "stop-ack";
>> +
>> +			clocks = <&rpmhcc RPMH_CXO_CLK>,
>> +				 <&gcc GCC_LPASS_SWAY_CLK>,
>> +				 <&lpasscc LPASS_Q6SS_AHBS_AON_CLK>,
>> +				 <&lpasscc LPASS_Q6SS_AHBM_AON_CLK>,
>> +				 <&lpasscc LPASS_QDSP6SS_XO_CLK>,
>> +				 <&lpasscc LPASS_QDSP6SS_SLEEP_CLK>,
>> +				 <&lpasscc LPASS_QDSP6SS_CORE_CLK>;
>> +
>> +			clock-names = "xo", "sway_cbcr", "lpass_ahbs_aon_cbcr",
>> +				      "lpass_ahbm_aon_cbcr", "qdsp6ss_xo",
>> +				      "qdsp6ss_sleep", "qdsp6ss_core";
>> +
>> +			resets = <&pdc_reset PDC_AUDIO_SYNC_RESET>,
>> +				 <&aoss_reset AOSS_CC_LPASS_RESTART>;
>> +			reset-names = "pdc_sync", "cc_lpass";
>> +
>> +			qcom,halt-regs = <&tcsr_mutex_regs 0x22000>;
>> +
>> +			memory-region = <&pil_adsp_mem>;
>> +
>> +			qcom,smem-states = <&adsp_smp2p_out 0>;
>> +			qcom,smem-state-names = "stop";
>> +
>> +			glink-edge {
> So we will end up duplicating these between the PAS based and non-PAS
> based remoteprocs. I don't have a better idea right now, but this
> deserves some thought.


Yup. Will try to think if we can have some common node for glink-edge.

>> +				compatible = "qcom,glink-smem";
>> +				interrupts = <0 156 IRQ_TYPE_EDGE_RISING>;
> s/0/GIC_SPI/

sure


>
>> +
>> +				label = "lpass";
>> +				qcom,remote-pid = <2>;
>> +				mboxes = <&apss_shared 8>;
>> +				mbox-names = "adsp_smem";
> mbox-names is not a documented property, please omit it.


okay

>
>> +				#address-cells = <1>;
>> +				#size-cells = <0>;
>> +				apr@4 {
>> +					compatible = "qcom,apr-v2";
>> +					qcom,glink-channels = "apr_audio_svc";
>> +					reg = <APR_DOMAIN_ADSP>;
>> +					#address-cells = <1>;
>> +					#size-cells = <0>;
>> +					q6core {
>> +						compatible = "qcom,q6core";
>> +						reg = <APR_SVC_ADSP_CORE>;
>> +					};
>> +
>> +					q6afe {
>> +						compatible = "qcom,q6afe";
>> +						reg = <APR_SVC_AFE>;
>> +						q6afedai: afedais {
>> +							compatible = "qcom,q6afe-dais";
>> +							#sound-dai-cells = <1>;
>> +							#address-cells = <1>;
>> +							#size-cells = <0>;
>> +						};
>> +					};
>> +
>> +					q6asm {
>> +						compatible = "qcom,q6asm";
>> +						reg = <APR_SVC_ASM>;
>> +						q6asmdai: asmdai{
>> +							compatible = "qcom,q6asm-dais";
>> +							iommus = <&apps_smmu 0x1821 0x0>;
>> +							#sound-dai-cells = <1>;
>> +						};
>> +					};
>> +
>> +					q6adm {
>> +						compatible = "qcom,q6adm";
>> +						reg = <APR_SVC_ADM>;
>> +						q6routing: routing {
>> +							compatible = "qcom,q6adm-routing";
>> +							#sound-dai-cells = <0>;
>> +						};
>> +					};
>> +				};
>> +			};
>> +			status = "disabled";
> Properties must come before subnodes.
Yup, right. Will update in next spin.
>
>> +		};
> Regards,
> Bjorn

Thanks,

Rohit

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