Re: [PATCH v5 1/2] dt-bindings: dma: Add bindings for intel LGM SOC

[Vinod Koul]

On 27-08-20, 17:54, Reddy, MallikarjunaX wrote:
> Hi Vinod,
> Thanks for the review comments.
> 
> On 8/25/2020 7:21 PM, Vinod Koul wrote:
> > On 18-08-20, 15:00, Reddy, MallikarjunaX wrote:
> > 
> > > > > +
> > > > > +            intel,chans:
> > > > > +              $ref: /schemas/types.yaml#/definitions/uint32-array
> > > > > +              description:
> > > > > +                 The channels included on this port. Format is channel start
> > > > > +                 number and how many channels on this port.
> > > > Why does this need to be in DT? This all seems like it can be in the dma
> > > > cells for each client.
> > > (*ABC)
> > > Yes. We need this.
> > > for dma0(lgm-cdma) old SOC supports 16 channels and the new SOC supports 22
> > > channels. and the logical channel mapping for the peripherals also differ
> > > b/w old and new SOCs.
> > > 
> > > Because of this hardware limitation we are trying to configure the total
> > > channels and port-channel mapping dynamically from device tree.
> > > 
> > > based on port name we are trying to configure the default values for
> > > different peripherals(ports).
> > > Example: burst length is not same for all ports, so using port name to do
> > > default configurations.
> > Sorry that does not make sense to me, why not specify the values to be
> > used here instead of defining your own name scheme!
> OK. Agreed. I will remove port name from DT and only use intel,chans

what is intel,chans, why not use dma-channels?

-- 
~Vinod