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[OpenWrt-Devel,8/8] staging: mt7621-dts: add interrupt device tree nodes for the gpio controller

Message ID 20180530063639.31017-8-rosenp@gmail.com
State Changes Requested
Delegated to: John Crispin
Headers show
Series [OpenWrt-Devel,1/8] ramips: mt7621-gpio: Move driver to files directory | expand

Commit Message

Rosen Penev May 30, 2018, 6:36 a.m. UTC 
From: Sergio Paracuellos <sergio.paracuellos@gmail.com>

The GPIO controller of mt7621 can receive interrupts on any
of the GPIOs, either edge or level. It then interrupts the CPU using
GIC INT12. Update device tree accordly.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Reviewed-by: NeilBrown <neil@brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 target/linux/ramips/dts/mt7621.dtsi | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/target/linux/ramips/dts/mt7621.dtsi b/target/linux/ramips/dts/mt7621.dtsi
index 15a85fd4d1..05f4f046f6 100644
--- a/target/linux/ramips/dts/mt7621.dtsi
+++ b/target/linux/ramips/dts/mt7621.dtsi
@@ -76,6 +76,9 @@ 
 			compatible = "mediatek,mt7621-gpio";
 			reg = <0x600 0x100>;
 
+			interrupt-parent = <&gic>;
+			interrupts = <GIC_SHARED 12 IRQ_TYPE_LEVEL_HIGH>;
+
 			gpio0: bank@0 {
 				reg = <0>;
 				compatible = "mediatek,mt7621-gpio-bank";