Now that ti,am437-padconf is available, switch over to that compatible
property. Retain pinctrl-single for legacy support.
While at it, mark the pinctrl as interrupt controller so that it can
be used with interrupts-extended property for wakeup events.
Signed-off-by: Nishanth Menon <nm@ti.com>
        };
 
        am43xx_pinmux: pinmux@44e10800 {
-               compatible = "pinctrl-single";
+               compatible = "ti,am437-padconf", "pinctrl-single";
                reg = <0x44e10800 0x31c>;
                #address-cells = <1>;
                #size-cells = <0>;
+               #interrupt-cells = <1>;
+               interrupt-controller;
                pinctrl-single,register-width = <32>;
                pinctrl-single,function-mask = <0xffffffff>;
        };