From: Pengyu Luo <mitltlatltl@gmail.com>
To: Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: Pengyu Luo <mitltlatltl@gmail.com>,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] arm64: dts: qcom: sc8280xp: Add ADSP FastRPC node
Date: Fri, 3 Apr 2026 20:07:52 +0800 [thread overview]
Message-ID: <20260403120753.105869-1-mitltlatltl@gmail.com> (raw)
Add the FastRPC node to enable offloading compute tasks to the ADSP
via the FastRPC framework.
Signed-off-by: Pengyu Luo <mitltlatltl@gmail.com>
---
arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 27 ++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
index 761f229e8f47..ee02acd18856 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
@@ -2966,6 +2966,33 @@ IPCC_MPROC_SIGNAL_GLINK_QMP
label = "lpass";
qcom,remote-pid = <2>;
+ fastrpc {
+ compatible = "qcom,fastrpc";
+ qcom,glink-channels = "fastrpcglink-apps-dsp";
+ label = "adsp";
+ qcom,non-secure-domain;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ compute-cb@3 {
+ compatible = "qcom,fastrpc-compute-cb";
+ reg = <3>;
+ iommus = <&apps_smmu 0x0c03 0x0>;
+ };
+
+ compute-cb@4 {
+ compatible = "qcom,fastrpc-compute-cb";
+ reg = <4>;
+ iommus = <&apps_smmu 0x0c04 0x0>;
+ };
+
+ compute-cb@5 {
+ compatible = "qcom,fastrpc-compute-cb";
+ reg = <5>;
+ iommus = <&apps_smmu 0x0c05 0x0>;
+ };
+ };
+
gpr {
compatible = "qcom,gpr";
qcom,glink-channels = "adsp_apps";
--
2.53.0
next reply other threads:[~2026-04-03 12:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-03 12:07 Pengyu Luo [this message]
2026-04-03 19:49 ` [PATCH] arm64: dts: qcom: sc8280xp: Add ADSP FastRPC node Dmitry Baryshkov
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