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. Thanks, Faiz