[PATCH 5/9] Doc/DT: Add DT binding documentation for MIPI DPI Panel

[Tomi Valkeinen]

On 18/03/14 08:41, Tomi Valkeinen wrote:
> On 17/03/14 16:19, Laurent Pinchart wrote:
> 
>>> +Generic MIPI DPI Panel
>>> +======================
>>> +
>>> +Required properties:
>>> +- compatible: "panel-dpi"
>>> +
>>> +Optional properties:
>>> +- label: a symbolic name for the panel
>>> +- gpios: panel enable gpio and backlight enable gpio
>>
>> While integrated in the panel module, the backlight is a separate piece of 
>> hardware, which could be controlled through other means (I2C for instance). 
>> Wouldn't it be better to add an explicit DT node for the backlight device and 
>> reference that node from the panel node ?
> 
> Yes, I agree, but do we have the infrastructure or bindings for that?
> 
> Ah, I see we now do have a gpio-backlight driver, but it doesn't have DT
> bindings.

Seems there's a patch from Denis Carikli for this, which will probably
be merged for 3.15.

I realized I don't actually use panel-dpi at the moment in my OMAP DSS
DT series, as I dropped the board changes that used panel-dpi. So I'll
drop panel-dpi bindings from my series, and the backlight for panel-dpi
can then be fixed for 3.16.

 Tomi


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