From 67641246eabd0629b11e767c233d92b855a64f45 Mon Sep 17 00:00:00 2001
From: Vinayak Katoch <vinayak.katoch@oss.qualcomm.com>
Date: Wed, 1 Jul 2026 15:35:31 +0530
Subject: [PATCH] arm64: dts: qcom: glymur: Add memory-region for audio PD

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

Signed-off-by: Vinayak Katoch <vinayak.katoch@oss.qualcomm.com>
Reviewed-by: Ekansh Gupta <ekansh.gupta@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260701-glymur-audio-v1-1-2c3862d95a09@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
 arch/arm64/boot/dts/qcom/glymur.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/glymur.dtsi b/arch/arm64/boot/dts/qcom/glymur.dtsi
index 97a6f5e03e90..1651cf2b624e 100644
--- a/arch/arm64/boot/dts/qcom/glymur.dtsi
+++ b/arch/arm64/boot/dts/qcom/glymur.dtsi
@@ -11,6 +11,7 @@
 #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/gpio/gpio.h>
 #include <dt-bindings/interconnect/qcom,icc.h>
 #include <dt-bindings/interconnect/qcom,glymur-rpmh.h>
@@ -664,6 +665,14 @@
 			hwlocks = <&tcsr_mutex 3>;
 			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>;
+		};
 	};
 
 	smp2p-adsp {
@@ -4067,6 +4076,9 @@
 					compatible = "qcom,glymur-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>;