Hi Krzysztof, > The PCA95xx GPIO expander requires GPIO controller properties to operate > properly. Applied on mvebu/dt Thanks, Gregory > > Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> > Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> > --- > arch/arm/boot/dts/dove-sbc-a510.dts | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/dove-sbc-a510.dts b/arch/arm/boot/dts/dove-sbc-a510.dts > index 2bb85a9b7614..df021f9b0117 100644 > --- a/arch/arm/boot/dts/dove-sbc-a510.dts > +++ b/arch/arm/boot/dts/dove-sbc-a510.dts > @@ -143,6 +143,7 @@ > gpio_ext: gpio@20 { > compatible = "nxp,pca9555"; > reg = <0x20>; > + gpio-controller; > #gpio-cells = <2>; > }; > }; > -- > 2.17.1 > -- Gregory Clement, Bootlin Embedded Linux and Kernel engineering http://bootlin.com