linux-kernel - [PATCH v2] arm64: dts: qcom: qcs615: Add ADSP and CDSP fastrpc nodes

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Message-ID: <20250703055532.2199477-1-quic_lxu5@quicinc.com>
Date: Thu, 3 Jul 2025 11:25:32 +0530
From: Ling Xu <quic_lxu5@...cinc.com>
To: <andersson@...nel.org>, <konradybcio@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>
CC: <quic_kuiw@...cinc.com>, <ekansh.gupta@....qualcomm.com>,
        <devicetree@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Ling Xu <quic_lxu5@...cinc.com>
Subject: [PATCH v2] arm64: dts: qcom: qcs615: Add ADSP and CDSP fastrpc nodes

Add ADSP and CDSP fastrpc nodes for QCS615 platform.

Signed-off-by: Ling Xu <quic_lxu5@...cinc.com>
---
v1 -> v2:
  - resend patch.
Patch [v1]: https://lore.kernel.org/linux-arm-msm/20250523103853.1538813-1-quic_lxu5@quicinc.com/
---
 arch/arm64/boot/dts/qcom/qcs615.dtsi | 86 ++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs615.dtsi b/arch/arm64/boot/dts/qcom/qcs615.dtsi
index bfbb21035492..58e07c9c08c1 100644
--- a/arch/arm64/boot/dts/qcom/qcs615.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcs615.dtsi
@@ -3166,6 +3166,56 @@ glink-edge {
 				mboxes = <&apss_shared 4>;
 				label = "cdsp";
 				qcom,remote-pid = <5>;
+
+				fastrpc {
+					compatible = "qcom,fastrpc";
+					qcom,glink-channels = "fastrpcglink-apps-dsp";
+					label = "cdsp";
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					compute-cb@1 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <1>;
+						iommus = <&apps_smmu 0x1081 0x0>;
+						dma-coherent;
+					};
+
+					compute-cb@2 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <2>;
+						iommus = <&apps_smmu 0x1082 0x0>;
+						dma-coherent;
+					};
+
+					compute-cb@3 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <3>;
+						iommus = <&apps_smmu 0x1083 0x0>;
+						dma-coherent;
+					};
+
+					compute-cb@4 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <4>;
+						iommus = <&apps_smmu 0x1084 0x0>;
+						dma-coherent;
+					};
+
+					compute-cb@5 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <5>;
+						iommus = <&apps_smmu 0x1085 0x0>;
+						dma-coherent;
+					};
+
+					compute-cb@6 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <6>;
+						iommus = <&apps_smmu 0x1086 0x0>;
+						dma-coherent;
+					};
+				};
 			};
 		};
 
@@ -3838,6 +3888,42 @@ glink_edge: glink-edge {
 				mboxes = <&apss_shared 24>;
 				label = "lpass";
 				qcom,remote-pid = <2>;
+
+				fastrpc {
+					compatible = "qcom,fastrpc";
+					qcom,glink-channels = "fastrpcglink-apps-dsp";
+					label = "adsp";
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					compute-cb@3 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <3>;
+						iommus = <&apps_smmu 0x1723 0x0>;
+						dma-coherent;
+					};
+
+					compute-cb@4 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <4>;
+						iommus = <&apps_smmu 0x1724 0x0>;
+						dma-coherent;
+					};
+
+					compute-cb@5 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <5>;
+						iommus = <&apps_smmu 0x1725 0x0>;
+						dma-coherent;
+					};
+
+					compute-cb@6 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <6>;
+						iommus = <&apps_smmu 0x1726 0x0>;
+						dma-coherent;
+					};
+				};
 			};
 		};
 	};
-- 
2.34.1