The device is configured to generate an active-low interrupt signal that
is automatically deasserted without requiring any action from the host.
Configure the IRQ to trigger on falling edge.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
 
                phy-mode = "mii";
                interrupt-parent = <&irqpin>;
-               interrupts = <0 IRQ_TYPE_NONE>; /* IRQ0: hwirq 0 on irqpin */
+               interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
                reg-io-width = <4>;
                vddvario-supply = <&fixedregulator3v3>;
                vdd33a-supply = <&fixedregulator3v3>;