Bindings do not allow address/size-cells in GPIO keys and the GPIO keys is not a bus, see dtbs_check warning: " arch/arm/boot/dts/nxp/imx/imx6dl-dhcom-pdk2.dtb: gpio-keys: '#address-cells', '#size-cells' do not match any of the regexes: '^(button|event|key|switch|(button|event|key|switch)-[a-z0-9-]+|[a-z0-9-]+-(button|event|key|switch))$', 'pinctrl-[0-9]+' " Signed-off-by: Marek Vasut <marex@xxxxxxx> --- Cc: Christoph Niedermaier <cniedermaier@xxxxxxxxxxxxxxxxxx> Cc: Conor Dooley <conor+dt@xxxxxxxxxx> Cc: Fabio Estevam <festevam@xxxxxxxxx> Cc: Krzysztof Kozlowski <krzk+dt@xxxxxxxxxx> Cc: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx> Cc: Rob Herring <robh@xxxxxxxxxx> Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> Cc: Shawn Guo <shawnguo@xxxxxxxxxx> Cc: devicetree@xxxxxxxxxxxxxxx Cc: imx@xxxxxxxxxxxxxxx Cc: kernel@xxxxxxxxxxxxxxxxxx Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx --- arch/arm/boot/dts/nxp/imx/imx6qdl-dhcom-pdk2.dtsi | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-dhcom-pdk2.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-dhcom-pdk2.dtsi index 6248b126b5578..773fdcfcd0015 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6qdl-dhcom-pdk2.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-dhcom-pdk2.dtsi @@ -56,7 +56,6 @@ lcd_display_out: endpoint { }; gpio-keys { - #size-cells = <0>; compatible = "gpio-keys"; button-0 { -- 2.45.2