From: Chuanhong Guo <gch981213@gmail.com>
Date: Tue, 25 Jun 2019 15:19:41 +0000 (+0800)
Subject: ramips: mt7621: add IRQ for GPIO node
X-Git-Tag: v19.07.0-rc1~422
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=a353f2ee7fe26a1ed0deaf29dcfb3afac8fe83cf;p=openwrt%2Fopenwrt.git

ramips: mt7621: add IRQ for GPIO node

This makes interrupt-based gpio-keys working.

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
(cherry picked from commit 110daa16e44bb53941a18396ab6a7d9fdd1fa362)
---

diff --git a/target/linux/ramips/dts/mt7621.dtsi b/target/linux/ramips/dts/mt7621.dtsi
index 77841a61d2..4f69e0902e 100644
--- 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";