[PATCH v4 2/4] arm64: dts: qcom: sa8775p: add GDSP fastrpc-compute-cb nodes

Ling Xu quic_lxu5 at quicinc.com
Fri Jun 27 10:33:17 UTC 2025


Add GDSP0 and GDSP1 fastrpc compute-cb nodes for sa8775p SoC.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>
Signed-off-by: Ling Xu <quic_lxu5 at quicinc.com>
---
 arch/arm64/boot/dts/qcom/sa8775p.dtsi | 57 +++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
index 45f536633f64..f69fb1d05a0d 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
+++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
@@ -5605,6 +5605,34 @@ IPCC_MPROC_SIGNAL_GLINK_QMP
 
 				label = "gpdsp0";
 				qcom,remote-pid = <17>;
+
+				fastrpc {
+					compatible = "qcom,fastrpc";
+					qcom,glink-channels = "fastrpcglink-apps-dsp";
+					label = "gdsp0";
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					compute-cb at 1 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <1>;
+						iommus = <&apps_smmu 0x38a1 0x0>;
+						dma-coherent;
+					};
+
+					compute-cb at 2 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <2>;
+						iommus = <&apps_smmu 0x38a2 0x0>;
+						dma-coherent;
+					};
+					compute-cb at 3 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <3>;
+						iommus = <&apps_smmu 0x38a3 0x0>;
+						dma-coherent;
+					};
+				};
 			};
 		};
 
@@ -5648,6 +5676,35 @@ IPCC_MPROC_SIGNAL_GLINK_QMP
 
 				label = "gpdsp1";
 				qcom,remote-pid = <18>;
+
+				fastrpc {
+					compatible = "qcom,fastrpc";
+					qcom,glink-channels = "fastrpcglink-apps-dsp";
+					label = "gdsp1";
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					compute-cb at 1 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <1>;
+						iommus = <&apps_smmu 0x38c1 0x0>;
+						dma-coherent;
+					};
+
+					compute-cb at 2 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <2>;
+						iommus = <&apps_smmu 0x38c2 0x0>;
+						dma-coherent;
+					};
+
+					compute-cb at 3 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <3>;
+						iommus = <&apps_smmu 0x38c3 0x0>;
+						dma-coherent;
+					};
+				};
 			};
 		};
 
-- 
2.34.1



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