Re: [PATCH v2 3/8] dt-bindings: sdhci-omap: Add properties for using external dma

Tony Lindgren
2019-02-18T16:28:14Z

* Tony Lindgren <tony@atomide.com> [190218 16:20]:
> * Faiz Abbas <faiz_abbas@ti.com> [190218 13:38]:
> > Hi Tony,
> >
> > On 16/02/19 1:37 AM, Tony Lindgren wrote:
> > > * Faiz Abbas <faiz_abbas@ti.com> [190215 19:18]:
> > >> From: Chunyan Zhang <zhang.chunyan@linaro.org>
> > >>
> > >> sdhci-omap can support both external dma controller via dmaengine
> > >> framework as well as ADMA which standard SD host controller
> > >> provides.
> > >
> > > Care to describe here also how to configure things for ADMA and
> > > instead of DMA? Just leave out dmas property?
> > >
> > That's correct. If dmas property is populated, then use external DMA.
> > Otherwise use ADMA/SDMA depending on what you read from the CAPS register.
>
> OK thanks.

So I guess the dma properties should be under optional
properties in the binding doc then.

Regards,

Tony