Re: [PATCH RFC v2 1/3] arm64: dts: qcom: nord: Add SoCCP remoteproc DT support for Nord

[Shawn Guo]

On Sun, Oct 18, 2026 at 12:46:46PM +0530, Anurag Pateriya wrote:
> Add the SoCCP (System on Chip Control Processor) remoteproc node and
> its SMP2P configuration at the SoC level in nord.dtsi, and wire up
> the clock and power-domain dependencies shared by all Nord embedded
> variants in nord-embedded.dtsi.
> 
> Signed-off-by: Anurag Pateriya <anurag.pateriya@xxxxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/nord-embedded.dtsi |  9 +++++
>  arch/arm64/boot/dts/qcom/nord.dtsi          | 57 +++++++++++++++++++++++++++++
>  2 files changed, 66 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/nord-embedded.dtsi b/arch/arm64/boot/dts/qcom/nord-embedded.dtsi
> index 6dc4c871f41e..e21b9ba480f5 100644
> --- a/arch/arm64/boot/dts/qcom/nord-embedded.dtsi
> +++ b/arch/arm64/boot/dts/qcom/nord-embedded.dtsi
> @@ -430,6 +430,15 @@ &remoteproc_cdsp3 {
>  			     "nsp";
>  };
>  
> +&remoteproc_soccp {
> +	clocks = <&rpmhcc RPMH_CXO_CLK>;
> +	clock-names = "xo";
> +	power-domains = <&rpmhpd RPMHPD_CX>,
> +			<&rpmhpd RPMHPD_MX>;
> +	power-domain-names = "cx",
> +			     "mx";
> +};
> +
>  &spi0 {
>  	clocks = <&segcc SE_GCC_QUPV3_WRAP0_S0_CLK>;
>  	clock-names = "se";
> diff --git a/arch/arm64/boot/dts/qcom/nord.dtsi b/arch/arm64/boot/dts/qcom/nord.dtsi
> index dfbbaf94a7ae..827531fc1276 100644
> --- a/arch/arm64/boot/dts/qcom/nord.dtsi
> +++ b/arch/arm64/boot/dts/qcom/nord.dtsi
> @@ -1029,6 +1029,28 @@ smp2p_cdsp3_in: slave-kernel {
>  		};
>  	};
>  
> +	smp2p-soccp {
> +		compatible = "qcom,smp2p";
> +		interrupts-extended = <&ipcc0 IPCC_MPROC_SOCCP
> +					      IPCC_MPROC_SIGNAL_SMP2P
> +					      IRQ_TYPE_EDGE_RISING>;
> +		mboxes = <&ipcc0 IPCC_MPROC_SOCCP IPCC_MPROC_SIGNAL_SMP2P>;
> +		qcom,smem = <617>, <616>;
> +		qcom,local-pid = <0>;
> +		qcom,remote-pid = <19>;
> +
> +		smp2p_soccp_out: master-kernel {
> +			qcom,entry-name = "master-kernel";
> +			#qcom,smem-state-cells = <1>;
> +		};
> +
> +		smp2p_soccp_in: slave-kernel {
> +			qcom,entry-name = "slave-kernel";
> +			interrupt-controller;
> +			#interrupt-cells = <2>;
> +		};
> +	};
> +
>  	soc: soc@0 {
>  		compatible = "simple-bus";
>  		#address-cells = <2>;
> @@ -1587,6 +1609,41 @@ uart13: serial@a98000 {
>  			};
>  		};
>  
> +		remoteproc_soccp: remoteproc@d00000 {
> +			compatible = "qcom,nord-soccp-pas";

It causes CHECK_DTBS complaints for nord-ride.dtb, so we may want to move
the compatible to nord-embedded.dtsi.

Shawn

> +			reg = <0x0 0x00d00000 0x0 0x200000>;
> +
> +			interrupts-extended = <&intc GIC_SPI 167 IRQ_TYPE_EDGE_RISING>,
> +					      <&smp2p_soccp_in 0 IRQ_TYPE_EDGE_RISING>,
> +					      <&smp2p_soccp_in 1 IRQ_TYPE_EDGE_RISING>,
> +					      <&smp2p_soccp_in 2 IRQ_TYPE_EDGE_RISING>,
> +					      <&smp2p_soccp_in 3 IRQ_TYPE_EDGE_RISING>,
> +					      <&smp2p_soccp_in 9 IRQ_TYPE_EDGE_RISING>;
> +			interrupt-names = "wdog",
> +					  "fatal",
> +					  "ready",
> +					  "handover",
> +					  "stop-ack",
> +					  "pong";
> +
> +			memory-region = <&soccp_mem>;
> +
> +			qcom,smem-states = <&smp2p_soccp_out 0>,
> +					   <&smp2p_soccp_out 8>;
> +			qcom,smem-state-names = "stop",
> +						"ping";
> +
> +			glink-edge {
> +				interrupts-extended = <&ipcc0 IPCC_MPROC_SOCCP
> +							      IPCC_MPROC_SIGNAL_GLINK_QMP
> +							      IRQ_TYPE_EDGE_RISING>;
> +				mboxes = <&ipcc0 IPCC_MPROC_SOCCP
> +						 IPCC_MPROC_SIGNAL_GLINK_QMP>;
> +				qcom,remote-pid = <19>;
> +				label = "soccp";
> +			};
> +		};
> +
>  		rng: rng@10c3000 {
>  			compatible = "qcom,nord-trng",
>  				     "qcom,trng";
> 
> -- 
> 2.43.0
>