ARM: dts: uniphier: add AIDET nodes

The AIDET (ARM Interrupt Detector Add-on Circuit) is a kind of
syscon block related with the interrupt controller.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/dts/uniphier-ph1-sld8.dtsi b/arch/arm/dts/uniphier-ph1-sld8.dtsi
index f07a1d1..e0376a1 100644
--- a/arch/arm/dts/uniphier-ph1-sld8.dtsi
+++ b/arch/arm/dts/uniphier-ph1-sld8.dtsi
@@ -274,6 +274,11 @@
 		pinctrl-0 = <&pinctrl_usb2>;
 		clocks = <&mio 5>, <&mio 6>;
 	};
+
+	aidet@61830000 {
+		compatible = "simple-mfd", "syscon";
+		reg = <0x61830000 0x200>;
+	};
 };
 
 &refclk {