mt7622: linksys-e8450: enable using mt7531 switch irq

Turns out the MT7531 switch IRQ line is connected to GPIO#53 just like
on the BPi-R64, so this seems to be part of the reference design and
will probably apply to most MT7622+MT7531 boards.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

diff --git a/target/linux/mediatek/dts/mt7622-linksys-e8450.dtsi b/target/linux/mediatek/dts/mt7622-linksys-e8450.dtsi
index 7358b94a8e9ce8ab2c19cef81cdbffd349be1fdc..047a4a59efb68e6e7dfcac1e04e67c36f5bfd256 100644 (file)
--- a/target/linux/mediatek/dts/mt7622-linksys-e8450.dtsi
+++ b/target/linux/mediatek/dts/mt7622-linksys-e8450.dtsi
@@ -144,6 +144,10 @@
                switch@0 {
                        compatible = "mediatek,mt7531";
                        reg = <0>;
+                       interrupt-controller;
+                       #interrupt-cells = <1>;
+                       interrupt-parent = <&pio>;
+                       interrupts = <53 IRQ_TYPE_LEVEL_HIGH>;
                        reset-gpios = <&pio 54 0>;
 
                        ports {