[lkml]   [2019]   [Feb]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v2 3/8] dt-bindings: sdhci-omap: Add properties for using external dma
Hi Tony,

On 16/02/19 1:37 AM, Tony Lindgren wrote:
> * Faiz Abbas <> [190215 19:18]:
>> From: Chunyan Zhang <>
>> 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.


 \ /
  Last update: 2019-02-18 14:38    [W:0.170 / U:10.832 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site