Re: [PATCH] arm64: dts: qcom: shikra: Add BAM-DMUX support

[Stephan Gerhold]

On Thu, Jun 11, 2026 at 11:10:51AM +0200, Konrad Dybcio wrote:
> On 6/11/26 10:55 AM, Stephan Gerhold wrote:
> > On Thu, Jun 11, 2026 at 02:11:59PM +0530, Vishnu Santhosh wrote:
> >> Add required nodes to enable the upstream BAM-DMUX WWAN driver on
> >> Qualcomm Shikra SoC.
> >>
> >> The SMSM (Shared Memory State Machine) node provides the power
> >> control signaling between the AP and modem for BAM-DMUX. The
> >> BAM DMA controller node describes the A2 modem BAM hardware as a
> >> standard DMA controller. The BAM-DMUX node references the DMA
> >> channels and the pc/pc-ack interrupt lines from the modem SMSM
> >> entry for power control signaling.
> >>
> >> Signed-off-by: Vishnu Santhosh <vishnu.santhosh@xxxxxxxxxxxxxxxx>
> > 
> > I'm quite surprised to see this 15+ years(?) old hardware block being
> > brought back to a new SoC. Is Shikra not using IPA?
> 
> That's correct.
> 

Ok, thanks for the confirmation. It's nice to see my driver running on
some new SoCs 6 years later. :-)

Thanks,
Stephan