ramips: mt7621: add IRQ for GPIO node

This makes interrupt-based gpio-keys working.

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>

diff --git a/target/linux/ramips/dts/mt7621.dtsi b/target/linux/ramips/dts/mt7621.dtsi
index 77841a61d297cf2ccb32429d6bc6d4f7994bce86..4f69e0902e451ba73973583539724cbab895c364 100644 (file)
--- a/target/linux/ramips/dts/mt7621.dtsi
+++ b/target/linux/ramips/dts/mt7621.dtsi
@@ -76,6 +76,9 @@
                        compatible = "mtk,mt7621-gpio";
                        reg = <0x600 0x100>;
 
+                       interrupt-parent = <&gic>;
+                       interrupts = <GIC_SHARED 12 IRQ_TYPE_LEVEL_HIGH>;
+
                        gpio0: bank@0 {
                                reg = <0>;
                                compatible = "mtk,mt7621-gpio-bank";