Required properties:
- compatible : Should be "mscc,ocelot-pinctrl",
- "mscc,jaguar2-pinctrl" or "microchip,sparx5-pinctrl"
+ "mscc,jaguar2-pinctrl", "microchip,sparx5-pinctrl",
+ "mscc,luton-pinctrl" or "mscc,serval-pinctrl"
- reg : Address and length of the register set for the device
- gpio-controller : Indicates this device is a GPIO controller
- #gpio-cells : Must be 2.