Add a DT node for the external interrupt unit (EXIU), which handles
interrupts from GPIO lines. We need OS support for this for things
like PHY interrupts and a 'wake' button.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
---
 Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi b/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi
index 966952b9a224..e72db377bc39 100644
--- a/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi
+++ b/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi
@@ -523,4 +523,13 @@
         clocks = <&clk_apb>;
         base = <0>;
     };
+
+    exiu: interrupt-controller@510c0000 {
+        compatible = "socionext,synquacer-exiu";
+        reg = <0x0 0x510c0000 0x0 0x20>;
+        interrupt-controller;
+        interrupt-parent = <&gic>;
+        #interrupt-cells = <3>;
+        socionext,spi-base = <112>;
+    };
 };
-- 
2.11.0

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