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SubjectRe: [PATCH 0/2] Add new IPCC mailbox to support the coprocessor detach on some stm32mp15x boards
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Hi Arnaud

On 6/14/21 6:49 PM, Arnaud Pouliquen wrote:
> Purpose:
> Add the IPCC channel 4 as "detach" mailbox to support the remoteproc the feature added in [1].
>
> The enable of this feature is a design choice. As consequence, the new mbox is declared
> only for stm32mp157c-ed1 & stm32mp15x-dkx boards maintained by ST Microelectronics.
>
> Aim:
> Allow to send to the remote processor a HW signal on IPCC channel 4 when user space requests
> to detach the main processor from the remote processor (e.g. a reboot of the Linux processor
> on a crash).
>
> [1] https://patchwork.ozlabs.org/project/devicetree-bindings/cover/20210331073347.8293-1-arnaud.pouliquen@foss.st.com/
>
> Arnaud Pouliquen (2):
> ARM: dts: stm32: Add coprocessor detach mbox on stm32mp157c-ed1 board
> ARM: dts: stm32: Add coprocessor detach mbox on stm32mp15x-dkx boards
>
> arch/arm/boot/dts/stm32mp157c-ed1.dts | 4 ++--
> arch/arm/boot/dts/stm32mp15xx-dkx.dtsi | 4 ++--
> 2 files changed, 4 insertions(+), 4 deletions(-)
>

Series Applied on stm32-next;

thanks
Alex

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