Hi, On Sat, Dec 30, 2017 at 12:45:19PM +0100, Jernej Škrabec wrote: > Hi Maxime, > > Dne četrtek, 21. december 2017 ob 12:02:29 CET je Maxime Ripard napisal(a): > > Some clocks and resets supposed to drive the LVDS logic in the display > > engine have been overlooked when the driver was first introduced. > > > > Add those additional resources to the binding, and we'll deal with the ABI > > stability in the code. > > > > Reviewed-by: Chen-Yu Tsai <wens@xxxxxxxx> > > Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > > Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> > > --- > > Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt | 9 +++++++- > > 1 file changed, 9 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt > > b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt index > > 50cc72ee1168..1e21cfaac9e2 100644 > > --- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt > > +++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt > > @@ -121,6 +121,15 @@ Required properties: > > On SoCs other than the A33 and V3s, there is one more clock required: > > - 'tcon-ch1': The clock driving the TCON channel 1 > > > > +On SoCs that support LVDS (all SoCs but the A13, H3, H5 and V3s), you > > +need one more reset line: > > + - 'lvds': The reset line driving the LVDS logic > > + > > +And on the SoCs newer than the A31 (sun6i and sun8i families), you > > +need one more clock line: > > + - 'lvds-alt': An alternative clock source, separate from the TCON > > channel 0 + clock, that can be used to drive the LVDS clock > > I think this wording is imprecise, since A83T is part of the sun8i family, but > from the code (patch 7) and DT changes (patch 9) you do, it doesn't need this > property. > > Maybe it would be just easier to enumerate all compatibles which needs this > property? You're right, but the rest of the document uses the SoC name instead. In order to remain consistent, I listed the (currently supported) SoCs that need that property and applied that patch. Thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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