[PATCH RESEND v7 04/10] arm64: dts: qcom: shikra: Add SMP2P nodes
Komal Bajaj <[email protected]> Mon, 03 Aug 2026 16:56:33 +0530
| Newsgroups | org.kernel.vger.dmaengine,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pm |
|---|---|
| Message-ID | <[email protected]> |
From: Vishnu Santhosh <[email protected]> Add SMP2P nodes for the cdsp, modem and lmcu subsystems to enable inter-processor signalling for remoteproc state management. Signed-off-by: Vishnu Santhosh <[email protected]> Reviewed-by: Dmitry Baryshkov <[email protected]> Reviewed-by: Konrad Dybcio <[email protected]> Signed-off-by: Komal Bajaj <[email protected]> --- arch/arm64/boot/dts/qcom/shikra.dtsi | 69 ++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/shikra.dtsi b/arch/arm64/boot/dts/qcom/shikra.dtsi index a01e26d9ee6d..42a17ffc040f 100644 --- a/arch/arm64/boot/dts/qcom/shikra.dtsi +++ b/arch/arm64/boot/dts/qcom/shikra.dtsi @@ -428,6 +428,75 @@ lmcu_dtb_mem: lmcu-dtb@b4702000 { }; }; + smp2p-cdsp { + compatible = "qcom,smp2p"; + qcom,smem = <94>, <432>; + + interrupts = <GIC_SPI 263 IRQ_TYPE_EDGE_RISING 0>; + + mboxes = <&apcs_glb 6>; + + qcom,local-pid = <0>; + qcom,remote-pid = <5>; + + cdsp_smp2p_out: master-kernel { + qcom,entry-name = "master-kernel"; + #qcom,smem-state-cells = <1>; + }; + + cdsp_smp2p_in: slave-kernel { + qcom,entry-name = "slave-kernel"; + interrupt-controller; + #interrupt-cells = <2>; + }; + }; + + smp2p-lmcu { + compatible = "qcom,smp2p"; + qcom,smem = <617>, <616>; + + interrupts = <GIC_SPI 287 IRQ_TYPE_EDGE_RISING 0>; + + mboxes = <&apcs_glb 10>; + + qcom,local-pid = <0>; + qcom,remote-pid = <26>; + + lmcu_smp2p_out: master-kernel { + qcom,entry-name = "master-kernel"; + #qcom,smem-state-cells = <1>; + }; + + lmcu_smp2p_in: slave-kernel { + qcom,entry-name = "slave-kernel"; + interrupt-controller; + #interrupt-cells = <2>; + }; + }; + + smp2p-mpss { + compatible = "qcom,smp2p"; + qcom,smem = <435>, <428>; + + interrupts = <GIC_SPI 70 IRQ_TYPE_EDGE_RISING 0>; + + mboxes = <&apcs_glb 14>; + + qcom,local-pid = <0>; + qcom,remote-pid = <1>; + + modem_smp2p_out: master-kernel { + qcom,entry-name = "master-kernel"; + #qcom,smem-state-cells = <1>; + }; + + modem_smp2p_in: slave-kernel { + qcom,entry-name = "slave-kernel"; + interrupt-controller; + #interrupt-cells = <2>; + }; + }; + soc: soc@0 { compatible = "simple-bus"; -- 2.34.1