[PATCH v2 1/3] arm64: dts: qcom: sc7280: Add memory region for audiopd
From: Ling Xu
Date: Fri May 16 2025 - 07:01:25 EST
Add reserved memory region and VMIDs for audio PD dynamic loading and
remote heap memory requirements.
Signed-off-by: Ling Xu <quic_lxu5@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sc7280.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 8e86d75cc6b4..d9af79ff8c4e 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -188,6 +188,14 @@ rmtfs_mem: rmtfs@9c900000 {
qcom,client-id = <1>;
qcom,vmid = <QCOM_SCM_VMID_MSS_MSA>;
};
+
+ adsp_rpc_remote_heap_mem: adsp-rpc-remote-heap {
+ compatible = "shared-dma-pool";
+ size = <0x0 0x800000>;
+ alignment = <0x0 0x100000>;
+ alloc-ranges = <0x0 0x80000000 0x0 0x40000000>;
+ no-map;
+ };
};
cpus {
@@ -3863,6 +3871,9 @@ 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>;
--
2.34.1