[OpenWrt-Devel] [PATCH 8/8] staging: mt7621-dts: add interrupt device tree nodes for the gpio controller
Rosen Penev
rosenp at gmail.com
Wed May 30 02:36:39 EDT 2018
From: Sergio Paracuellos <sergio.paracuellos at 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 at gmail.com>
Reviewed-by: NeilBrown <neil at brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
target/linux/ramips/dts/mt7621.dtsi | 3 +++
1 file changed, 3 insertions(+)
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 at 0 {
reg = <0>;
compatible = "mediatek,mt7621-gpio-bank";
--
2.17.0
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