Message ID | 8b7042f5e85cc868ea802deba79a0c53ffbe6564.1512662253.git-series.maxime.ripard@free-electrons.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Thu, Dec 7, 2017 at 11:58 PM, Maxime Ripard <maxime.ripard@free-electrons.com> wrote: > 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: Rob Herring <robh@kernel.org> > Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Reviewed-by: Chen-Yu Tsai <wens@csie.org>
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 + DRC ---