Re: [PATCH 09/16] arm64: dts: qcom: shikra: Add CDSP, LPAICP, MPSS remoteproc PAS nodes

[Komal Bajaj <komal.bajaj@oss.qualcomm.com>]

On 5/25/2026 2:57 PM, Dmitry Baryshkov wrote:
> On Mon, May 25, 2026 at 01:19:13AM +0530, Komal Bajaj wrote:
>> From: Bibek Kumar Patro <bibek.patro@oss.qualcomm.com>
>>
>> Add nodes for remoteproc PAS loader for CDSP, LPAICP, MPSS subsystem.
>>
>> Signed-off-by: Bibek Kumar Patro <bibek.patro@oss.qualcomm.com>
>> Signed-off-by: Komal Bajaj <komal.bajaj@oss.qualcomm.com>
>> ---
>>   arch/arm64/boot/dts/qcom/shikra.dtsi | 164 +++++++++++++++++++++++++++++++++++
>>   1 file changed, 164 insertions(+)
>>
>> +
>> +		remoteproc_lpaicp: remoteproc@b800000 {
>> +			compatible = "qcom,shikra-lpaicp-pas";
>> +			reg = <0x0 0x0b800000 0x0 0x200000>;
>> +
>> +			interrupts-extended = <&intc GIC_SPI 257 IRQ_TYPE_EDGE_RISING 0>,
>> +					      <&lmcu_smp2p_in 0 IRQ_TYPE_NONE>,
>> +					      <&lmcu_smp2p_in 1 IRQ_TYPE_NONE>,
>> +					      <&lmcu_smp2p_in 2 IRQ_TYPE_NONE>,
>> +					      <&lmcu_smp2p_in 3 IRQ_TYPE_NONE>;
>> +
>> +			interrupt-names = "wdog",
>> +					  "fatal",
>> +					  "ready",
>> +					  "handover",
>> +					  "stop-ack";
>> +
>> +			clocks = <&rpmcc RPM_SMD_XO_CLK_SRC>;
>> +			clock-names = "xo";
>> +
>> +			memory-region = <&lmcu_mem &lmcu_dtb_mem>;
>> +
>> +			qcom,smem-states = <&lmcu_smp2p_out 0>;
>> +			qcom,smem-state-names = "stop";
>> +
>> +			status = "disabled";
>> +
>> +			glink-edge {
>> +				interrupts = <GIC_SPI 286 IRQ_TYPE_EDGE_RISING 0>;
>> +				mboxes = <&apcs_glb 9>;
>> +				qcom,remote-pid = <26>;
>> +				label = "lpaicp";
> No FastRPC for LPAICP?

No, FastRPC is not applicable for LPAICP. FastRPC is primarily used for 
offloading audio, sensor, or other DSP-related workloads, and is not 
required here.

Thanks
Komal

>
>> +			};
>> +		};
>> +
>>   		sram@c11e000 {
>>   			compatible = "qcom,shikra-imem", "mmio-sram";
>>   			reg = <0x0 0x0c11e000 0x0 0x1000>;
>>
>> -- 
>> 2.34.1
>>