Re: [PATCH 09/19] drm: sun4i: Add DT bindings documentation

[Rob Herring]

On Fri, Oct 30, 2015 at 12:37 PM, Thierry Reding
<thierry.reding@xxxxxxxxx> wrote:
> On Fri, Oct 30, 2015 at 11:40:03AM -0500, Rob Herring wrote:
>> On Fri, Oct 30, 2015 at 9:20 AM, Maxime Ripard
> [...]
>> > +Optional properties:
>> > +  - allwinner,tv-encoder: phandle to the TV Encoder in our pipeline
>> > +  - allwinner,panel: phandle to the panel used in our RGB interface
>>
>> Use of-graph please.
>
> Why? Panels are a really simple resource and a simple phandle is fully
> capable of describing the relationship.

So we can have some consistency in bindings and common parsing code.
It is simple when it is just a panel, but when it can be tv-encoder or
other board level downstream bridge devices it doesn't stay so simple.
Also, we already have a simple way to do panels which is as a child
node. Let's not have a third way.

Rob
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