Subject: Re: [PATCH v3 0/4] remoteproc: add Cortex-A Core remoteproc support on i.MX platforms

From: Mathieu Poirier <[email-masked]>
Date: Mon, 11 May 2026 11:10:08 -0600

On Mon, May 11, 2026 at 03:00:25PM +0800, Peng Fan wrote:
> Hi Jiafei,
> 
> On Mon, May 11, 2026 at 10:39:24AM +0800, Jiafei Pan wrote:
> >This patch series is to add remoteproc support on Cortex-A Core of i.MX platforms:
> >1. Adding dts binding for Cortex-A Core remoteproc
> >2. Enable Cortex-A Core remoteproc support in remoteproc driver
> >3. Adding dts example on imx93 platforms.
> 
> Normally, we only keep one patch or patch series from the same author that
> modifies the same file in the review queue at a time.
> 
> You already have a patch for imx_rproc.c currently under review(got R-b, but
> need Mathieu to handle), so this patch series might be delayed to be reviewed.
> 
> As I have replied in internal, to make multiple OS run on Cortex-A SMP without
> hypervsior, some GIC changes are required, without those GIC changes,
> this patchset is not testable using upstream tree.
>

If that is the case, please re-submit when the proper background work on GIC has
been merged.

Mathieu
 
> Thanks,
> Peng
> 
> >
> >Signed-off-by: Jiafei Pan <[email-masked]>
> >
> >---
> >Changes in v3:
> >- Fixed dt_binding_check warnings
> >- Updated prefix of patch subject
> >
> >Changes in v2:
> >- Update arch/arm64/boot/dts/freescale/Makefile to add new dts
> >
> >---
> >Hou Zhiqiang (1):
> >  remoteproc: imx_rproc: add autoboot support for A-core
> >
> >Jiafei Pan (3):
> >  dt-bindings: remoteproc: add imx-rproc-psci
> >  remoteproc: imx_rproc: add support for Cortex-A Core
> >  arm64: dts: imx93: Cortex-A Core remoteproc device node
> >
> > .../remoteproc/fsl,imx-rproc-psci.yaml        |  51 ++++++
> > arch/arm64/boot/dts/freescale/Makefile        |   2 +
> > .../imx93-11x11-evk-multicore-rtos.dts        |  39 +++++
> > .../imx93-14x14-evk-multicore-rtos.dts        |  39 +++++
> > .../boot/dts/freescale/imx93-rproc-ca55.dtsi  |  14 ++
> > drivers/remoteproc/imx_rproc.c                | 150 ++++++++++++++++++
> > drivers/remoteproc/imx_rproc.h                |   2 +
> > 7 files changed, 297 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc-psci.yaml
> > create mode 100644 arch/arm64/boot/dts/freescale/imx93-11x11-evk-multicore-rtos.dts
> > create mode 100644 arch/arm64/boot/dts/freescale/imx93-14x14-evk-multicore-rtos.dts
> > create mode 100644 arch/arm64/boot/dts/freescale/imx93-rproc-ca55.dtsi
> >
> >-- 
> >2.43.0
> >