On 12/9/25 8:37 AM, Alexey Klimov wrote:
> Add optional memory heap node that can be used for ADSP fastrpc.
>
> Cc: Ekansh Gupta <quic_ekangupt@quicinc.com>
> Cc: Srinivas Kandagatla <srini@kernel.org>
> Signed-off-by: Alexey Klimov <alexey.klimov@linaro.org>
> ---
> arch/arm64/boot/dts/qcom/sm8750.dtsi | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8750.dtsi b/arch/arm64/boot/dts/qcom/sm8750.dtsi
> index 3f0b57f428bbb388521c27d9ae96bbef3d62b2e2..be89c65163bf0480100c09c883b68d03455c1870 100644
> --- a/arch/arm64/boot/dts/qcom/sm8750.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8750.dtsi
> @@ -524,6 +524,14 @@ llcc_lpi_mem: llcc-lpi@ff800000 {
> reg = <0x0 0xff800000 0x0 0x800000>;
> no-map;
> };
> +
> + adsp_rpc_remote_heap_mem: adsp-rpc-remote-heap {
> + compatible = "shared-dma-pool";
> + alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>;
Ekansh, perhaps you'd know.. is there any reason for this to only be
allocated in the lowest 4G?
Konrad
> + alignment = <0x0 0x400000>;
> + size = <0x0 0xc00000>;
> + reusable;
> + };
> };
>
> smp2p-adsp {
>