[PATCH RESEND v3] arm64: dts: qcom: talos: Add memory-region for audio PD

From: Ekansh Gupta

Date: Mon Jun 29 2026 - 02:36:33 EST


Reserve memory region for audio PD dynamic loading and remote heap
requirements. Add the required VMID list for memory ownership
transfers.

Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Signed-off-by: Ekansh Gupta <ekansh.gupta@xxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/talos.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/talos.dtsi b/arch/arm64/boot/dts/qcom/talos.dtsi
index fb1bbc51bb8a..d4e8cda993e6 100644
--- a/arch/arm64/boot/dts/qcom/talos.dtsi
+++ b/arch/arm64/boot/dts/qcom/talos.dtsi
@@ -11,6 +11,7 @@
#include <dt-bindings/clock/qcom,qcs615-videocc.h>
#include <dt-bindings/clock/qcom,rpmh.h>
#include <dt-bindings/dma/qcom-gpi.h>
+#include <dt-bindings/firmware/qcom,scm.h>
#include <dt-bindings/interconnect/qcom,icc.h>
#include <dt-bindings/interconnect/qcom,osm-l3.h>
#include <dt-bindings/interconnect/qcom,qcs615-rpmh.h>
@@ -677,6 +678,14 @@ pil_gpu_mem: pil-gpu@97715000 {
reg = <0x0 0x97715000 0x0 0x2000>;
no-map;
};
+
+ adsp_rpc_remote_heap_mem: adsp-rpc-remote-heap {
+ compatible = "shared-dma-pool";
+ alloc-ranges = <0x0 0x80000000 0x0 0x80000000>;
+ reusable;
+ alignment = <0x0 0x400000>;
+ size = <0x0 0x800000>;
+ };
};

soc: soc@0 {
@@ -5195,6 +5204,9 @@ fastrpc {
compatible = "qcom,fastrpc";
qcom,glink-channels = "fastrpcglink-apps-dsp";
label = "adsp";
+ memory-region = <&adsp_rpc_remote_heap_mem>;
+ qcom,vmids = <QCOM_SCM_VMID_LPASS
+ QCOM_SCM_VMID_ADSP_HEAP>;
#address-cells = <1>;
#size-cells = <0>;


---
base-commit: 3d5670d672ae08b8c534b7beed6f57c8b44e7b43
change-id: 20260629-talos-remoteheap-3e0000501669

Best regards,
--
Ekansh Gupta <ekansh.gupta@xxxxxxxxxxxxxxxx>