On Thu, Oct 03, 2019 at 12:15:24PM +0530, Jagan Teki wrote: > Allwinner MIPI DSI controllers are supplied with SoC DSI > power rails via VCC-DSI pin. > > Some board still work without supplying this but give more > faith on datasheet and hardware schematics and document this > supply property in required property list. > > Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > Tested-by: Merlijn Wajer <merlijn@xxxxxxxxxx> > Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> > --- > .../bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml b/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml > index 47950fced28d..9d4c25b104f6 100644 > --- a/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml > +++ b/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml > @@ -36,6 +36,9 @@ properties: > resets: > maxItems: 1 > > + vcc-dsi-supply: > + description: VCC-DSI power supply of the DSI encoder > + The driver treats it as mandatory, so I've added it to the binding, as suggested by the commit log. Maxime
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