Messages in this thread | | | From | Chen-Yu Tsai <> | Date | Wed, 8 Mar 2017 11:38:48 +0800 | Subject | Re: [PATCH 7/15] dt-bindings: display: sun4i: Add allwinner,tcon-channel property |
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On Tue, Mar 7, 2017 at 4:56 PM, Maxime Ripard <maxime.ripard@free-electrons.com> wrote: > The Allwinner Timings Controller has two, mutually exclusive, channels. > When the binding has been introduced, it was assumed that there would be > only a single user per channel in the system. > > While this is likely for the channel 0 which only connects to LCD displays, > it turns out that the channel 1 can be connected to multiple controllers in > the SoC (HDMI and TV encoders for example). And while the simultaneous use > of HDMI and TV outputs cannot be achieved, switching from one to the other > at runtime definitely sounds plausible. > > Add an extra property, allwinner,tcon-channel, to specify for a given > endpoint which TCON channel it is connected to, while falling back to the > previous mechanism if that property is missing. > > Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
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