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

[Dmitry Baryshkov]

On Sat, Apr 18, 2026 at 11:18:01AM +0530, Ekansh Gupta wrote:
> 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/talos.dtsi | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/talos.dtsi b/arch/arm64/boot/dts/qcom/talos.dtsi
> index ff5afbfce2a4..c36917d6e0a9 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>
> @@ -657,6 +658,11 @@ pil_gpu_mem: pil-gpu@97715000 {
>  			reg = <0x0 0x97715000 0x0 0x2000>;
>  			no-map;
>  		};
> +
> +		adsp_rpc_remote_heap_mem: adsp-rpc-remote-heap@97717000 {
> +			reg = <0x0 0x97717000 0x0 0x800000>;
> +			no-map;
> +		};
>  	};
>  
>  	soc: soc@0 {
> @@ -5100,6 +5106,9 @@ 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>;

Align on '<' symbol.

>  					#address-cells = <1>;
>  					#size-cells = <0>;
>  
> 
> ---
> base-commit: c7275b05bc428c7373d97aa2da02d3a7fa6b9f66
> change-id: 20260418-talosaudio-b8ecf8b9a1b3
> 
> Best regards,
> -- 
> Ekansh Gupta <ekansh.gupta@xxxxxxxxxxxxxxxx>
> 

-- 
With best wishes
Dmitry