On Tue, Mar 10, 2020 at 11:27:24AM +0100, Pascal Roeleven wrote: > The Topwise A721/LY-F1 tablet is a tablet sold around 2012 under > different brands. The mainboard mentions A721 clearly, so this tablet > is best known under this name. > > Signed-off-by: Pascal Roeleven <dev@xxxxxxxxxxxxxxxxx> > --- > arch/arm/boot/dts/Makefile | 3 +- > arch/arm/boot/dts/sun4i-a10-topwise-a721.dts | 302 +++++++++++++++++++ > 2 files changed, 304 insertions(+), 1 deletion(-) > create mode 100644 arch/arm/boot/dts/sun4i-a10-topwise-a721.dts > > +/dts-v1/; > +#include "sun4i-a10.dtsi" > +#include "sunxi-common-regulators.dtsi" > + > +#include <dt-bindings/gpio/gpio.h> > +#include <dt-bindings/input/input.h> > +#include <dt-bindings/interrupt-controller/irq.h> > +#include <dt-bindings/pwm/pwm.h> > + > +/ { > + model = "Topwise A721"; > + compatible = "topwise,a721", "allwinner,sun4i-a10"; And you also need to add the compatible to: Documentation/devicetree/bindings/arm/sunxi.yaml regards, o.