[PATCH v3 0/6] Configure imx8mp dsp node for rproc usage

[Iuliana Prodan]

On 12/10/2024 2:53 PM, Daniel Baluta wrote:
> DSP found in i.MX8MP SOC can be used by multiple frameworks in order to
> enable various applications:
>          - rproc/rpmsg framework, used to load for example Zephyr samples
>          - Sound Open Firmware, used to enable various audio processing
>            pipelines.
>
> Current dsp node was configured with SOF in mind but it doesn't work
> well with imx8mp-evk dts. SOF controls audio IPs from firmware side
> while imx8mp-evk preffers to control audio IPs from Linux side.
>
> So, configure 'dsp' node to be used with rproc scenario and later will
> add a separate dts or an overlay to configure the node for SOF.
>
> This patch series configures and enables dsp node to be used with rproc.
>
> Changes since v1:
>          - document syscon compatible as pointed by Peng Fan
>          - do not disable dsp_reserved node in the dtsi file as pointed
>            by Ahmad Fatoum.
> Changes since v2:
>          - Fix dts example in patch 4/6
>          - Frank Li commented that we should handle the reset using the reset
>          interface. I have two objections on this: we are using some bits from audiomix
>          for reset together some other bits from DAP region. Also, the implementation is already upstream!
>          Frank Li agreed that it's up to Rob opinion on this.
>
> Daniel Baluta (6):
>    arm64: dts: imx8mp: Add mu2 root clock
>    arm64: dts: imx8mp: Configure dsp node for rproc usage
>    arm64: dts: imx8mp: Add DSP clocks
>    dt-bindings: clock: imx8mp: Add syscon compatible
>    arm64: dts: imx8mp: Add fsl,dsp-ctrl property for dsp
>    arm64: dts: Add dsp rproc related mem regions
For the series:

Reviewed-by: Iuliana Prodan <iuliana.prodan at nxp.com>

Thanks,
Iulia