Thread (8 messages) 8 messages, 5 authors, 2014-03-05

Re: [PATCH 4/9] Doc/DT: Add DT binding documentation for HDMI Connector

From: Tomi Valkeinen <hidden>
Date: 2014-03-03 07:23:05
Also in: dri-devel, linux-arm-kernel, linux-fbdev

Possibly related (same subject, not in this thread)

On 01/03/14 20:58, Geert Uytterhoeven wrote:
On Fri, Feb 28, 2014 at 5:34 PM, Russell King - ARM Linux
[off-list ref] wrote:
quoted
There's actually three HDMI connectors:

  All three connectors carry all required HDMI signals, including a TMDS
  link. The Type B connector is slightly larger and carries a second TMDS
  link, which is necessary to support very high resolution displays using
  dual link. The Type C connector carries the same signals as the Type A
  but is more compact and intended for mobile applications.

So, Type C and Type A are electrically the same.
There's also D (e.g. on BeagleBone Black) and E:

http://en.wikipedia.org/wiki/HDMI#Connectors

Electrically they seem to be the same as A/C.
Right. And then there are the HDMI versions, and things like HDMI
Ethernet Channel. After looking at these a bit, I don't think the HDMI
connector needs any of those (hdmi version, eth) defined.

So...

	compatible = "hdmi-connector";
	type = "a";

Or

	compatible = "hdmi-connector";
	type-a;

I don't right away see any big pro with either one compared to the other.

 Tomi

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