linux-kernel - [PATCH 1/2] arm64: dts: qcom: sa8775p: add GPDSP fastrpc-compute-cb nodes

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Message-ID: <20250320051645.2254904-2-quic_lxu5@quicinc.com>
Date: Thu, 20 Mar 2025 10:46:44 +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>,
        <srinivas.kandagatla@...aro.org>, <amahesh@....qualcomm.com>,
        <arnd@...db.de>, <gregkh@...uxfoundation.org>
CC: <quic_kuiw@...cinc.com>, <quic_ekangupt@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        Ling Xu
	<quic_lxu5@...cinc.com>
Subject: [PATCH 1/2] arm64: dts: qcom: sa8775p: add GPDSP fastrpc-compute-cb nodes

Add GPDSP0 and GPDSP1 fastrpc compute-cb nodes for sa8775p SoC.

Signed-off-by: Ling Xu <quic_lxu5@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sa8775p.dtsi | 58 +++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
index 581dac8556ec..28025c76c96a 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
+++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
@@ -4850,6 +4850,35 @@ 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@1 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <1>;
+						iommus = <&apps_smmu 0x38a1 0x0>;
+						dma-coherent;
+					};
+
+					compute-cb@2 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <2>;
+						iommus = <&apps_smmu 0x38a2 0x0>;
+						dma-coherent;
+					};
+
+					compute-cb@3 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <3>;
+						iommus = <&apps_smmu 0x38a3 0x0>;
+						dma-coherent;
+					};
+				};
 			};
 		};
 
@@ -4893,6 +4922,35 @@ 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@1 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <1>;
+						iommus = <&apps_smmu 0x38c1 0x0>;
+						dma-coherent;
+					};
+
+					compute-cb@2 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <2>;
+						iommus = <&apps_smmu 0x38c2 0x0>;
+						dma-coherent;
+					};
+
+					compute-cb@3 {
+						compatible = "qcom,fastrpc-compute-cb";
+						reg = <3>;
+						iommus = <&apps_smmu 0x38c3 0x0>;
+						dma-coherent;
+					};
+				};
 			};
 		};
 
-- 
2.34.1