linux-kernel - [PATCH] arm64: dts: qcom: kodiak: Add memory region for audiopd

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Message-Id: <20251114055639.1050-1-jianping.li@oss.qualcomm.com>
Date: Fri, 14 Nov 2025 13:56:39 +0800
From: Jianping Li <jianping.li@....qualcomm.com>
To: andersson@...nel.org, konradybcio@...nel.org, robh@...nel.org,
        krzk+dt@...nel.org, conor+dt@...nel.org
Cc: Jianping Li <jianping.li@....qualcomm.com>, ekansh.gupta@....qualcomm.com,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: qcom: kodiak: Add memory region for audiopd

Add reserved memory region for audio PD dynamic loading and remote
heap requirement. Also add LPASS and ADSP_HEAP VMIDs.

Signed-off-by: Jianping Li <jianping.li@....qualcomm.com>
---
 arch/arm64/boot/dts/qcom/kodiak.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/kodiak.dtsi b/arch/arm64/boot/dts/qcom/kodiak.dtsi
index 3ef61af2ed8a..0cda9af98dd2 100644
--- a/arch/arm64/boot/dts/qcom/kodiak.dtsi
+++ b/arch/arm64/boot/dts/qcom/kodiak.dtsi
@@ -190,6 +190,11 @@ rmtfs_mem: rmtfs@...00000 {
 			qcom,client-id = <1>;
 			qcom,vmid = <QCOM_SCM_VMID_MSS_MSA>;
 		};
+
+		adsp_rpc_remote_heap_mem: adsp-rpc-remote-heap@...80000 {
+			reg = <0x0 0x9cb80000 0x0 0x800000>;
+			no-map;
+		};
 	};
 
 	cpus {
@@ -4139,6 +4144,9 @@ fastrpc {
 					qcom,glink-channels = "fastrpcglink-apps-dsp";
 					label = "adsp";
 					qcom,non-secure-domain;
+					memory-region = <&adsp_rpc_remote_heap_mem>;
+					qcom,vmids = <QCOM_SCM_VMID_LPASS
+							  QCOM_SCM_VMID_ADSP_HEAP>;
 					#address-cells = <1>;
 					#size-cells = <0>;
 
-- 
2.43.0