The PCA95xx GPIO expander requires GPIO controller properties to operate properly. Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> --- arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts b/arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts index 4a1ca8f5b6a7..03c161493ffc 100644 --- a/arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts +++ b/arch/arm/boot/dts/aspeed-bmc-portwell-neptune.dts @@ -121,6 +121,8 @@ pca9555@27 { compatible = "nxp,pca9555"; reg = <0x27>; + gpio-controller; + #gpio-cells = <2>; }; }; -- 2.17.1