kernel/Documentation/devicetree/bindings/pinctrl/pinctrl-mcp23s08.txt
.. .. @@ -82,7 +82,7 @@ 82 82 compatible = "microchip,mcp23s17"; 83 83 gpio-controller; 84 84 #gpio-cells = <2>; 85 - spi-present-mask = <0x01>;85 + microchip,spi-present-mask = <0x01>;86 86 reg = <0>; 87 87 spi-max-frequency = <1000000>; 88 88 };