From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Thu, 1 Dec 2016 09:55:20 +0100 Subject: [linux-sunxi] Re: [PATCH v7 4/8] drm/sunxi: Add DT bindings documentation of Allwinner HDMI In-Reply-To: <1971681480527210@web5g.yandex.ru> References: <4614815.L3DQhhBy6d@avalon> <20161130102757.9eec1f7f3377d0f4787e3829@free.fr> <3478036.d2UQM8n6lv@avalon> <20161130114415.2280151e2965280733a629e5@free.fr> <1971681480527210@web5g.yandex.ru> Message-ID: <20161201085520.tk2kdi33rn6fyld2@lukather> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Dec 01, 2016 at 01:33:30AM +0800, Icenowy Zheng wrote: > >> ?????????hdmi-out { > >> ?????????????????compatible = "hdmi-connector"; > >> ?????????????????type = "a"; > >> ?????????????????/* I2C bus and GPIO references are made up for the example */ > >> ?????????????????ddc-i2c-bus = <&i2c4>; > >> ?????????????????hpd-gpios = <&gpio4 7 GPIO_ACTIVE_HIGH> > > > > the "hdmi-connector" is a big piece of software. It must handle a lot > > of more and more exotic connectors. > > So, I hope that you have written a "simple-hdmi-connector" which does > > nothing but setting the connector type. > > Where is it? > > I suddenly thought about something... > > If a DVI connector instead of a HDMI connector is soldered, how > should such a device tree be written? Use a dvi-connector instead :) > How about solder a HDMI-to-VGA bridge on the board? (Maybe there > should be "dumb-hdmi-dvi-bridge" and "dumb-hdmi-vga-bridge" > drivers?) It probably wouldn't be dumb, but yeah, it would definitely be a bridge instead of the connector. Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 801 bytes Desc: not available URL: