On Fri, Jan 25, 2019 at 01:28:50AM +0530, Jagan Teki wrote: > Most of the Allwinner MIPI DSI controllers are supply with > VCC-DSI pin. which need to supply for some of the boards to > trigger the power. > > So, document the supply property so-that the required board > can eable it via device tree. > > Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> > Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/display/sunxi/sun6i-dsi.txt | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/sunxi/sun6i-dsi.txt b/Documentation/devicetree/bindings/display/sunxi/sun6i-dsi.txt > index 6a6cf5de08b0..69e233e8fad1 100644 > --- a/Documentation/devicetree/bindings/display/sunxi/sun6i-dsi.txt > +++ b/Documentation/devicetree/bindings/display/sunxi/sun6i-dsi.txt > @@ -27,6 +27,9 @@ Required properties: > first port should be the input endpoint, usually coming from the > associated TCON. > > +Optional properties: > + - vcc-dsi-supply: the VCC-DSI power supply of the DSI encoder > + It looks like the VCC power rail is found on all the Allwinner SoCs, so it should be made mandatory. Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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