[PATCH] arm64: dts: qcom: sc8280xp: Add ADSP FastRPC node

From: Pengyu Luo

Date: Fri Apr 03 2026 - 08:11:07 EST


Add the FastRPC node to enable offloading compute tasks to the ADSP
via the FastRPC framework.

Signed-off-by: Pengyu Luo <mitltlatltl@xxxxxxxxx>
---
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