Bindings do not allow address/size-cells in GPIO keys and the GPIO keys is not a bus, see dtbs_check warnings: kirkwood-openblocks_a7.dtb: gpio_keys: '#address-cells', '#size-cells' do not match any of the regexes: '^(button|event|key|switch|(button|event|key|switch)... Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>