[PATCH v2 02/10] drm/hisilicon: Add DT binding docs for hi6220 display subsystem

Rob Herring robh at kernel.org
Tue Dec 1 05:58:58 PST 2015


On Tue, Dec 1, 2015 at 1:17 AM, Xinliang Liu <xinliang.liu at linaro.org> wrote:
> On 1 December 2015 at 03:31, Rob Herring <robh at kernel.org> wrote:
>
> Hi Rob, thank you for review.
>
>> On Sat, Nov 28, 2015 at 06:38:57PM +0800, Xinliang Liu wrote:
>>> Add the device tree binding documentation for hi6220 SoC display subsystem.
>>> drm master device binding doc.
>>> ADE display controller binding doc.
>>> DSI controller binding doc.

>>> +Required properties:
>>> +- compatible: Should be "hisilicon,<chip>-dss"
>>> +- #address-cells: should be set to 2.
>>> +- #size-cells: should be set to 2.
>>> +- range: to allow probing of subdevices.
>>> +
>>> +Optional properties:
>>> +- dma-coherent: Present if dma operations are coherent.
>>
>> Put this on the actually DMA master.
>
> The DMA modules reside in the begining of each channel(or plane) of ADE.
> So I need to put this dma-coherent property to ADE device node, right?

Right.

Rob



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