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Message-Id: <20250517-topic-8280_slpi-v2-3-1f96f86ac3ae@oss.qualcomm.com>
Date: Sat, 17 May 2025 19:27:52 +0200
From: Konrad Dybcio <konradybcio@...nel.org>
To: Bjorn Andersson <andersson@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
Konrad Dybcio <konradybcio@...nel.org>
Cc: Marijn Suijten <marijn.suijten@...ainline.org>,
linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: [PATCH v2 3/5] arm64: dts: qcom: sc8280xp: Add SLPI
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
SC8280XP features a SLPI (Sensor Low Power Island) core. Describe it.
Signed-off-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
---
arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 99 ++++++++++++++++++++++++++++++++++
1 file changed, 99 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
index 94dcbccca62e992030bcdd6eb3bc3fcd879c1e8a..87555a119d947dca75415675807f7965b2f203ac 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
@@ -695,6 +695,11 @@ pil_adsp_mem: adsp-region@...00000 {
no-map;
};
+ pil_slpi_mem: slpi-region@...00000 {
+ reg = <0 0x88c00000 0 0x1500000>;
+ no-map;
+ };
+
pil_nsp0_mem: cdsp0-region@...00000 {
reg = <0 0x8a100000 0 0x1e00000>;
no-map;
@@ -783,6 +788,30 @@ smp2p_nsp1_in: slave-kernel {
};
};
+ smp2p-slpi {
+ compatible = "qcom,smp2p";
+ qcom,smem = <481>, <430>;
+ interrupts-extended = <&ipcc IPCC_CLIENT_SLPI
+ IPCC_MPROC_SIGNAL_SMP2P
+ IRQ_TYPE_EDGE_RISING>;
+ mboxes = <&ipcc IPCC_CLIENT_SLPI
+ IPCC_MPROC_SIGNAL_SMP2P>;
+
+ qcom,local-pid = <0>;
+ qcom,remote-pid = <3>;
+
+ smp2p_slpi_out: master-kernel {
+ qcom,entry-name = "master-kernel";
+ #qcom,smem-state-cells = <1>;
+ };
+
+ smp2p_slpi_in: slave-kernel {
+ qcom,entry-name = "slave-kernel";
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+ };
+
soc: soc@0 {
compatible = "simple-bus";
#address-cells = <2>;
@@ -2454,6 +2483,76 @@ tcsr: syscon@...0000 {
reg = <0x0 0x01fc0000 0x0 0x30000>;
};
+ remoteproc_slpi: remoteproc@...0000 {
+ compatible = "qcom,sc8280xp-slpi-pas", "qcom,sm8350-slpi-pas";
+ reg = <0 0x02400000 0 0x10000>;
+
+ interrupts-extended = <&pdc 9 IRQ_TYPE_EDGE_RISING>,
+ <&smp2p_slpi_in 0 IRQ_TYPE_EDGE_RISING>,
+ <&smp2p_slpi_in 1 IRQ_TYPE_EDGE_RISING>,
+ <&smp2p_slpi_in 2 IRQ_TYPE_EDGE_RISING>,
+ <&smp2p_slpi_in 3 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "wdog",
+ "fatal",
+ "ready",
+ "handover",
+ "stop-ack";
+
+ clocks = <&rpmhcc RPMH_CXO_CLK>;
+ clock-names = "xo";
+
+ power-domains = <&rpmhpd SC8280XP_LCX>,
+ <&rpmhpd SC8280XP_LMX>;
+ power-domain-names = "lcx", "lmx";
+
+ memory-region = <&pil_slpi_mem>;
+
+ qcom,qmp = <&aoss_qmp>;
+
+ qcom,smem-states = <&smp2p_slpi_out 0>;
+ qcom,smem-state-names = "stop";
+
+ status = "disabled";
+
+ glink-edge {
+ interrupts-extended = <&ipcc IPCC_CLIENT_SLPI
+ IPCC_MPROC_SIGNAL_GLINK_QMP
+ IRQ_TYPE_EDGE_RISING>;
+ mboxes = <&ipcc IPCC_CLIENT_SLPI
+ IPCC_MPROC_SIGNAL_GLINK_QMP>;
+
+ label = "slpi";
+ qcom,remote-pid = <3>;
+
+ fastrpc {
+ compatible = "qcom,fastrpc";
+ qcom,glink-channels = "fastrpcglink-apps-dsp";
+ label = "sdsp";
+ qcom,non-secure-domain;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ compute-cb@1 {
+ compatible = "qcom,fastrpc-compute-cb";
+ reg = <1>;
+ iommus = <&apps_smmu 0x0521 0x0>;
+ };
+
+ compute-cb@2 {
+ compatible = "qcom,fastrpc-compute-cb";
+ reg = <2>;
+ iommus = <&apps_smmu 0x0522 0x0>;
+ };
+
+ compute-cb@3 {
+ compatible = "qcom,fastrpc-compute-cb";
+ reg = <3>;
+ iommus = <&apps_smmu 0x0523 0x0>;
+ };
+ };
+ };
+ };
+
remoteproc_adsp: remoteproc@...0000 {
compatible = "qcom,sc8280xp-adsp-pas";
reg = <0 0x03000000 0 0x10000>;
--
2.49.0
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