Hi, Am Freitag, den 28.02.2014, 13:57 +0100 schrieb Sebastian Hesselbarth: > On 02/28/14 13:20, Tomi Valkeinen wrote: > > This series is a re-send of > > http://article.gmane.org/gmane.linux.drivers.devicetree/61739 > > > ... > > Shortly about the display components in the series, in the order of probable > > public interest: > > > > * Analog TV, DVI and HDMI Connectors represent a respective connector on the > > board. They don't do much, but they do mark the end of the video pipeline (from > > the board's pov), and they should also in the future offer ways to handle > > things like the +5V pin on DVI and HDMI connector and HPD pin. > > > > * MIPI DPI panel and MIPI DSI CM panels represent bindings for simple panels > > using the respective video bus. > > > > * Sony acx565akm is an SPI controlled panel using flatlink video bus. > > > > * TFP410 is a DPI to DVI encoder. > > > > * TPD12S015 is a HDMI companion chip, used on OMAP boards. > > Tomi, > > Out of curiosity, will there be DT nodes for pull-up resistors soon, > too? ;) > > Honestly, TPD12S015 is a level shifter, there is nothing in it that > would justify a DT node nor a driver. > > Above you already note, that connector nodes should offer HPD in the > future, but I guess the binding should represent that now already. > I will be a DT stub anyway, the corresponding video sink driver will > have to look it up. > > Looking through the bindings for DVI and HDMI, I guess HPD gpio is > better kept in those nodes. From the relevant (DT) properties DVI and > HDMI connectors are in no way different. I like the idea of adding actual connector nodes to the board device trees. A TV encoder driver for example could this way detect from the device tree whether it is connected to a VGA, Composite, or S-Video connector (or maybe to both Composite and S-Video connectors at the same time). regards Philipp -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
