Re: [PATCH 3/6] arm64: dts: qcom: kaanapali: Add CDSP FastRPC extended context bank
From: Krzysztof Kozlowski
Date: Sun Aug 30 2026 - 05:46:58 EST
On 26/08/2026 15:45, Vinayak Katoch wrote:
> Add a fastrpc_far_region reserved-memory node and link compute-cb@13 to
> it via memory-region so the driver detects it as the extended mapping
> bank. Bump #address-cells and #size-cells to <2> on the fastrpc ancestor
> nodes and update all compute-cb reg values to the 4-cell format to
> accommodate the 64-bit iommu-addresses values.
>
> Signed-off-by: Vinayak Katoch <vinayak.katoch@xxxxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/kaanapali.dtsi | 35 +++++++++++++++++++++------------
> 1 file changed, 22 insertions(+), 13 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/kaanapali.dtsi b/arch/arm64/boot/dts/qcom/kaanapali.dtsi
> index 131fd2a16c54..0f258eb2a7a9 100644
> --- a/arch/arm64/boot/dts/qcom/kaanapali.dtsi
> +++ b/arch/arm64/boot/dts/qcom/kaanapali.dtsi
> @@ -451,6 +451,10 @@ rmtfs_mem: rmtfs@d7c00000 {
> qcom,client-id = <1>;
> qcom,vmid = <QCOM_SCM_VMID_MSS_MSA>;
> };
> +
> + fastrpc_far_region: fastrpc_far_region {
Please follow DTS coding style for naming.
Best regards,
Krzysztof