On Mon, Feb 18, 2019 at 07:11:32PM +0530, Faiz Abbas wrote: > Hi Tony, > > On 16/02/19 1:37 AM, Tony Lindgren wrote: > > * Faiz Abbas <faiz_abbas@xxxxxx> [190215 19:18]: > >> From: Chunyan Zhang <zhang.chunyan@xxxxxxxxxx> > >> > >> 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. Then the properties should be optional. Rob
