[PATCH] arm64: dts: qcom: hawi: Add memory-region for audio PD

From: Ekansh Gupta

Date: Wed Oct 21 2026 - 07:45:18 EST


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

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

diff --git a/arch/arm64/boot/dts/qcom/hawi.dtsi b/arch/arm64/boot/dts/qcom/hawi.dtsi
index 6b0a0ff0faa4..80cb00eccdf1 100644
--- a/arch/arm64/boot/dts/qcom/hawi.dtsi
+++ b/arch/arm64/boot/dts/qcom/hawi.dtsi
@@ -12,6 +12,7 @@
#include <dt-bindings/clock/qcom,kaanapali-gxclkctl.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,hawi-rpmh.h>
#include <dt-bindings/interconnect/qcom,icc.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
@@ -441,6 +442,14 @@ mpss_crashdump_overlay_mem: mpss-crashdump-overlay@bd500000 {
reg = <0x0 0xbd500000 0x0 0xf00000>;
no-map;
};
+
+ adsp_rpc_remote_heap_mem: adsp-rpc-remote-heap {
+ compatible = "shared-dma-pool";
+ alloc-ranges = <0x0 0x0 0x1 0x0>;
+ no-map;
+ alignment = <0x0 0x400000>;
+ size = <0x0 0x800000>;
+ };
};

smp2p-adsp {
@@ -3781,6 +3790,9 @@ fastrpc {
compatible = "qcom,hawi-fastrpc", "qcom,kaanapali-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: 8f7df005a7564bd7ffa75da9c3085d5b996f1e16
change-id: 20261021-hawi-rh-408b29ebb555

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