Hi, Shawn Guo wrote: > On Wed, Mar 19, 2014 at 02:28:40PM +0100, Lothar Waßmann wrote: > > > > Signed-off-by: Lothar Waßmann <LW@xxxxxxxxxxxxxxxxxxx> > > --- > > arch/arm/boot/dts/imx53-tx53-x13x.dts | 12 ++++++++++++ > > 1 file changed, 12 insertions(+) > > > > diff --git a/arch/arm/boot/dts/imx53-tx53-x13x.dts b/arch/arm/boot/dts/imx53-tx53-x13x.dts > > index 26b918e..86a964d 100644 > > --- a/arch/arm/boot/dts/imx53-tx53-x13x.dts > > +++ b/arch/arm/boot/dts/imx53-tx53-x13x.dts > > @@ -63,6 +63,18 @@ > > default-brightness-level = <50>; > > }; > > > > + panel0 { > > + compatible = "simple-panel"; > > From what I can see, "simple-panel" is not a documented compatible. > There is Documentation/devicetree/bindings/panel/simple-panel.txt which describes the bindings for drivers/gpu/drm/panel/panel-simple.c. "simple-panel" is the common compatible for all panels that the driver supports. If no compatible for a specific panel is given, the driver supports a generic panel with an ENABLE GPIO, an attached backlight and a regulator. This is what's being used here. Lothar Waßmann -- ___________________________________________________________ Ka-Ro electronics GmbH | Pascalstraße 22 | D - 52076 Aachen Phone: +49 2408 1402-0 | Fax: +49 2408 1402-10 Geschäftsführer: Matthias Kaussen Handelsregistereintrag: Amtsgericht Aachen, HRB 4996 www.karo-electronics.de | info@xxxxxxxxxxxxxxxxxxx ___________________________________________________________ -- 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