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

Faiz Abbas
2019-02-19T13:32:40Z

Hi Rob,

On 19/02/19 1:42 AM, Rob Herring wrote:
> 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@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.
>
> Then the properties should be optional.
>

Will move it to optional in v3.

Thanks,
Faiz