Re: [PATCH 19/19] ARM: sun6i: a31s: Enable HDMI display output on the MSI Primo81 tablet

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On Thu, Jun 8, 2017 at 6:47 AM, Ilia Mirkin <imirkin@xxxxxxxxxxxx> wrote:
> On Wed, Jun 7, 2017 at 6:36 PM, Rob Herring <robh@xxxxxxxxxx> wrote:
>> On Fri, Jun 02, 2017 at 09:42:19PM +0200, Maxime Ripard wrote:
>>> On Fri, Jun 02, 2017 at 06:10:24PM +0800, Chen-Yu Tsai wrote:
>>> > The MSI Primo81 tablet has a micro HDMI connector at the bottom.
>>> > This is connected to the SoCs HDMI output.
>>> >
>>> > Enable the display pipeline and the HDMI output.
>>> >
>>> > Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
>>> > ---
>>> >  arch/arm/boot/dts/sun6i-a31s-primo81.dts | 25 +++++++++++++++++++++++++
>>> >  1 file changed, 25 insertions(+)
>>> >
>>> > diff --git a/arch/arm/boot/dts/sun6i-a31s-primo81.dts b/arch/arm/boot/dts/sun6i-a31s-primo81.dts
>>> > index f3712753fa42..26154b2f87a3 100644
>>> > --- a/arch/arm/boot/dts/sun6i-a31s-primo81.dts
>>> > +++ b/arch/arm/boot/dts/sun6i-a31s-primo81.dts
>>> > @@ -52,17 +52,42 @@
>>> >  / {
>>> >     model = "MSI Primo81 tablet";
>>> >     compatible = "msi,primo81", "allwinner,sun6i-a31s";
>>> > +
>>> > +   hdmi-connector {
>>> > +           compatible = "hdmi-connector";
>>> > +           type = "c";
>>>
>>> Should we add a connector type for this one?
>>
>> c as in USB Type C? I'd prefer to see a new compatible string. Is type
>> even documented?

Indeed it is:

http://elixir.free-electrons.com/linux/latest/source/Documentation/devicetree/bindings/display/connector/hdmi-connector.txt#L6

> Probably as in HDMI Type C (there are Type A, C, and D connectors, aka
> "regular", "mini", and "micro").

Correct.

ChenYu
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