On Thu, Mar 15, 2018 at 07:41:29PM +0800, Chen-Yu Tsai wrote: > The A80 has 2 or 3 TCONs. The documentation and vendor kernel are very > vague about the third TCON, to the point that it might not exist. > > In the documentation, the first TCON is missing channel 1, and the > second is missing channel 0. However the vendor kernel seems to be > able to use them regardless. Here we model them like the old TCONs. > > An oddity is that TCON0 requires the reset control for the eDP block > to be deasserted, for any register access to stick. > > This patch adds compatible strings for TCON0 and TCON1, with TCON0 > requiring an extra "edp" reset control. > > Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx> > --- > Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt | 11 ++++++++--- > 1 file changed, 8 insertions(+), 3 deletions(-) Reviewed-by: Rob Herring <robh@xxxxxxxxxx> -- 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