The internal GPIO controller on RTL838x is also an IRQ controller, which
requires the 'interrupt-controller' and '#interrupts-cells' properties
to be present in the device tree.
Reported-by: INAGAKI Hiroshi <musashino.open@gmail.com>
Signed-off-by: Sander Vanheule <sander@svanheule.net>
gpio0: gpio-controller@3500 {
compatible = "realtek,rtl8380-gpio", "realtek,otto-gpio";
reg = <0x3500 0x20>;
+
gpio-controller;
#gpio-cells = <2>;
ngpios = <24>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
interrupt-parent = <&intc>;
interrupts = <23>;
};